Elite Series
48V 100Ah V2 Elite Series LiFePO4 Battery (5.12kWh)
$2,399
IP67BluetoothHeatedVictron Comms
- 11-year warranty
- US-based support
- Available to ship today
- 5.12kWhStored Energy
- 150AContinuous Output
- 3,500+Cycles Lifespan
- IP67Immersion-Rated
- HeatedCold Weather Ready
- 11 YearWarranty
- 48V 100Ah V2 Elite Series LiFePO4 Battery (5.12kWh): 51.2V nominal, 100Ah and 5,120Wh (5.12kWh) of nominal stored energy in one managed case with one BMS. A native 48V battery draws less current than a lower-voltage bank of the same energy, for smaller cables and cleaner busbars. A deep-cycle battery for house power and energy storage, not engine starting.
- Dimensions & Fit: 20.86" L x 8.65" W x 12.06" H (529.8 x 219.8 x 306.3 mm; the height includes the terminal posts), 97 lb (approx. 44 kg). Install it upright. Replacing a Group 8D lead-acid battery? Confirm tray fit, hold-down and lid clearance against these dimensions first; the optional Epoch V2 & V2-T Mounting Hardware (8D battery bracket, sold separately) fastens to the six M8 nuts on the case.
- Native VICTRON Communications: CAN bus at 500 kbit/s to a compatible Victron GX device (Cerbo GX, Ekrano GX or Cerbo GX Mk2). The battery reports its status and charge limits, and with DVCC on it sets the charge voltage and current limits of Victron chargers. The communication harness is included; set the DIP switches and GX settings per the manual.
- Elite Performance Specifications: 150A maximum continuous discharge, about 7,680W DC at 51.2V before inverter losses, for up to 20 minutes at 150A (not for cycling), and 300A for 30 seconds for surges. 100A maximum continuous charge, with up to 300A for 5 seconds. If an inverter's continuous DC input can exceed 150A, add batteries in parallel.
- BLUETOOTH Battery Intelligence: Bluetooth 4.0 through the included battery gauge. The Epoch Li-Ion app (iOS and Android) shows state of charge, voltage, current, cell voltages, temperatures, history and warnings, and installs firmware updates over the air. The battery has a power button, and a mountable ON/OFF switch and the mountable battery gauge are included.
- HEATED For Extreme Climates: LiFePO4 cells must not be charged below 0°C (32°F). When a charger is connected and the cells are too cold, the BMS holds off charging while the internal heater, powered by the charge source, warms them; charging resumes at 5°C (41°F). With self-heating, charging is supported from -30°C (-22°F) ambient. Discharge works down to -20°C (-4°F).
- IP67 Rated Enclosure: Dust-tight and protected against temporary immersion in up to 1m of water for 30 minutes. It is not rated for water jets, pressure washing or continuous submersion: install it where it stays dry in normal use, with all harness connectors fully seated.
- Parallel Banks Only: Up to 16 batteries in parallel (1,600Ah, 81.92kWh), using matched C48100A batteries of the same age, capacity and state of charge, with the DIP switches set for the bank. The C48100A is a native 48V battery: do not connect it in series.
- Advanced Smart BMS & Certifications: Over/under-voltage, overcurrent, short-circuit and high/low temperature protection, and a 270A internal fuse (UL 60691). UL 1642, UL 9540A and IEC 62619:2022 cells; CE and RoHS. The internal fuse does not replace system protection: install a DC-rated fuse or breaker close to the battery positive.
- 3,500+ Cycle Life & 11-Year Warranty: 3,500+ cycles to 70% remaining capacity (25°C, 0.5C charge, 1C discharge). Maintenance-free: no watering or equalizing, though regular inspection and 8–12 N·m terminal torque checks keep the system safe. Backed by an 11-year limited manufacturer warranty; register within 90 days of purchase.
Program every charge source to these settings, including Victron equipment, so charging stays correct if CAN communication is lost:
- Charger type: Lithium (LiFePO4) compatible, CC/CV
- Bulk / absorption voltage: 56.8V
- Absorption time: 15 minutes per battery in the bank (for example, 60 minutes for four batteries)
- Float voltage: 54.0V
- Re-bulk voltage: 53.2V
- Equalization: Disabled
- Temperature compensation: Disabled (0 mV/°C)
- Charge current: 100A per battery maximum continuous; size every charge source, and the total of all sources, to stay within it. Up to 300A is allowed for 5 seconds; the BMS charge over-current protection acts at 110A after a 5-second delay.
- BMS high-voltage cutoff: 58.4V. Never charge above 58.4V, and do not use lead-acid equalization, desulfation or repair modes.
- SOC recalibration: 58.4V (manual); a custom algorithm under Victron communication
- Charging temperature: 0°C to 55°C (32°F to 131°F) cell temperature; with self-heating, charging is supported from -30°C (-22°F) ambient. Below freezing the heater, powered by the charge source, warms the cells first, so expect a delay before charge current flows; charging resumes when the cells reach 5°C (41°F).
- Alternators: use a DC-DC charger, or an alternator regulator set up for lithium, and follow the alternator manufacturer's guidance.
Victron GX setup:
- Set the DIP switches on every battery (see the user manual).
- Fit the harness plug with the waterproof bung into the Master battery's blue port.
- For a bank, run an RJ45 cable from the Master's black port to Slave 1's blue port, then from Slave 1's black port to Slave 2's blue port, and so on, up to 16 batteries in parallel.
- Plug the harness's grey RJ45 plug into the GX device's BMS-CAN port (Cerbo GX or Ekrano GX). On a Cerbo GX Mk2, use VE.Can 1 or VE.Can 2.
- If you use a VE.Can port, open Settings > Services > VE.Can on the GX device and set the port speed to 500 kbit/s.
- Switch on the batteries.
- On the GX device, turn on DVCC, set the controlling BMS to Epoch and set the battery monitor to Epoch.
- Check that the Epoch battery appears in the device list, that the number of modules online equals the number of batteries installed, and that the installed capacity (Ah) equals the bank capacity, for example 400Ah for four batteries.
- While charging (not while inverting), the inverter tile shows External control. Under DVCC the system charges to 56.8V, holds absorption for at least about 15 minutes per battery, then floats at 54.0V.
- Manually program the MultiPlus, Quattro and every other charge source to the settings above as a fallback.
Still have questions?
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Specifications
- Energy Capacity
- 5.12 kWh
- Continuous Output
- 150A (up to 20 min at 150A; not for cycling)
- Peak Output
- 300A (up to 30 Seconds)
- Max Charge Rate
- 100A (300A for up to 5 Seconds)
Key Benefits
- Run Large InvertersAbout 7,680W DC for up to 20 min, before inverter losses
- Charge in Freezing TempsSelf-heating charges from -22°F (-30°C) ambient
- Monitor via BluetoothLive data in the Epoch Li-Ion app
- Victron CompatibleSeamless system integration
- 11-Year WarrantyLimited manufacturer warranty
- 3,500+ CyclesTo 70% remaining capacity at 25°C
Battery Intelligence
Bluetooth App Monitoring
Your whole system, in your pocket
Connect over Bluetooth 4.0 through the included battery gauge to see state of charge, cell voltages, temperatures and alerts in the Epoch Li-Ion app, and to install firmware updates over the air.
- State of charge
- Cell voltages
- Temperatures
- History and battery events
- Warnings and alerts
Victron Integration
Built to talk to your Victron system
Native CAN communication at 500 kbit/s with compatible Victron GX devices: the battery reports its status and charge limits, and with DVCC on it sets the charge voltage and current limits of Victron chargers. The communication harness is included; set the DIP switches and GX settings per the manual.
- GX Device Support
- Remote Monitoring
- DVCC Charge Control
- Seamless Integration
- Victron Ready
What Can It Run?
Planning estimates for a single 5.12kWh battery, using 80% of nominal energy (about 4,096 Wh).
- 5,000W DC Load4,096 Wh ÷ 5,000 WRun Time≈ 0.8 Hours
- 1,000W DC Load4,096 Wh ÷ 1,000 WRun Time≈ 4.1 Hours
- 500W DC Load4,096 Wh ÷ 500 WRun Time≈ 8.2 Hours
- 100W DC Load4,096 Wh ÷ 100 WRun Time≈ 41 Hours
Estimates are for a constant DC load at the battery terminals and use 80% of nominal energy, a planning figure that leaves reserve for battery life and cold conditions. Inverter losses, cable losses and temperature reduce runtime.
Applications & use cases
- RV house power (48V systems)
- Camper vans and van life
- Travel trailers and fifth wheels
- Motorhomes and Class A or Class C coaches
- Overlanding and expedition vehicles
- Marine house power
- Electric propulsion support
- Yachts and cruising boats
- Off-grid solar systems
- Solar battery banks and inverter systems
- Large 48V inverters and heavy appliances
- Home energy storage and backup power
- Cabins and remote power systems
- Victron-based systems with a compatible GX device
- Golf carts and 48V vehicles
- Communications backup
- Commercial fleet and specialty power systems
Epoch V2 Elite · Victron ready · IP67 dust-tight
Epoch 48V 100Ah V2 Elite Series LiFePO4 Battery (5.12kWh)
A 48V 100Ah LiFePO4 battery engineered for serious off-grid, RV, marine, solar, and system-builder power applications.
The Epoch V2 Elite 48V 100Ah lithium battery is a 5.12kWh lithium battery built for high-performance 48V systems that need Victron CANbus communication, an IP67 dust-tight and immersion-rated enclosure, internal self-heating, Bluetooth monitoring through the included battery gauge, and 150A continuous discharge for up to 20 minutes. It is a premium 48V off-grid battery for builders who want higher efficiency, smaller wire gauges, cleaner installation, and rugged real-world reliability beyond indoor-only server rack batteries.
48V
System voltage
100Ah
Capacity
5.12kWh
Stored energy
150A
Continuous, up to 20 min
IP67
Immersion-rated
16x
Parallel ready
Built to go further
11-year warranty Limited manufacturer coverage
Victron ready CANbus / DVCC support
IP67 protection Dust-tight, immersion-rated
Bluetooth app Live battery data
Internal heating Cold-weather charging
Advanced BMS Built-in protection
The Ultimate 48V Powerhouse for Off-Grid, RV & Marine Systems
5.12kWh lithium storage for high-efficiency 48V architecture.
This 48V 100Ah LiFePO4 battery is built for the most demanding off-grid, RV, and marine systems, from large RV solar arrays and van power systems to electric marine propulsion support and remote cabins. A native 48V system can reduce current draw compared with lower-voltage architectures, helping builders use more efficient cable runs, cleaner busbar layouts, and larger inverter platforms.
With 5.12kWh of energy, 150A continuous discharge (up to 20 minutes at 150A), 300A peak output for 30 seconds, and Victron compatible communication, the Epoch V2 Elite gives professional installers and experienced DIYers a premium high-capacity 48V power bank that is built for harsh environments instead of climate-controlled server rooms.
Compatible applications
Off-grid, RV, marine, solar, industrial, and 48V power systems.
- ✓ 48V off-grid battery banks for cabins, remote sites, and solar energy storage.
- ✓ RV, overland, and van systems using 48V inverter/charger architecture.
- ✓ 48V marine lithium battery installations for vessels, electric propulsion support, and house-power systems.
- ✓ Victron-based systems using compatible Cerbo GX, Ekrano GX, and GX Touch displays.
- ✓ Large 48V inverters, mini-splits, well pumps, RV air conditioners, and heavy off-grid appliances.
- ✓ Golf cart and 48V vehicle upgrades where controller, charger, space, and current requirements match.
- ✓ Parallel 48V battery banks up to 16 batteries for expanded system capacity.
- ✓ Outdoor, mobile, or marine installations where an IP67 dust-tight, immersion-rated enclosure matters, mounted where it stays dry in normal use.
Engineered for System Builders: V2 Elite Tech
Premium communication, sealed IP67 construction, heating, and battery intelligence.
Native Victron & CANbus Integration
Built-in CAN communication at 500 kbit/s supports compatible Victron Cerbo GX, Ekrano GX and other GX devices. The battery reports its status and charge limits, and with DVCC on it sets the charge voltage and current limits of Victron chargers.
IP67 Dust-Tight & Immersion Rating
Unlike indoor-only 48V server rack batteries, this battery has an IP67 enclosure: dust-tight and protected against temporary immersion in up to 1 m of water for 30 minutes. It is not rated for water jets, pressure washing or continuous submersion, so in RV bays, marine compartments, outdoor enclosures, and off-grid locations install it upright and secured against vibration, where it stays dry in normal use, with all harness connectors fully seated.
Smart Internal Heating Down to -22°F
LiFePO4 cells must not be charged below 0°C (32°F). When a charge source is connected and the cells are too cold, the BMS holds off normal charging while the internal heater, powered by the charge source, warms the cells; charging resumes once they reach 5°C (41°F). With self-heating, charging is supported from -22°F / -30°C ambient, and discharge is available down to -4°F / -20°C without heating.
Real-Time Bluetooth App Monitoring
Bluetooth 4.0 through the included battery gauge connects to the Epoch Li-Ion app (iOS and Android) for state of charge, voltage, current, cell voltages, temperatures, history and warnings, and installs firmware updates over the air. With several batteries, the parallel view shows the whole bank.
Battery features
Technical performance that separates this battery from generic 48V rack batteries.
5.12kWh lithium battery Stores 5.12kWh of energy in one rugged 48V 100Ah lithium battery pack.
150A continuous discharge Supports high-power 48V inverter systems with about 7,680W DC at 51.2V before inverter losses, for up to 20 minutes at 150A (not for cycling).
300A peak output Provides 300A peak discharge for 30 seconds for high-demand startup and surge loads.
Victron CANbus communication Native communication supports Cerbo GX, Ekrano GX, DVCC, and closed-loop system control when properly configured.
IP67 enclosure Dust-tight and protected against temporary immersion to 1 m for 30 minutes. Not rated for water jets or pressure washing: install it where it stays dry in normal use.
Smart internal heating Built-in heating, powered by the charge source, supports cold-weather charging from -22°F / -30°C ambient.
Bluetooth app monitoring Bluetooth 4.0 through the included battery gauge: view state of charge, voltage, current, cell voltages, temperatures and warnings in the Epoch Li-Ion app, and update firmware over the air.
Parallel expansion Supports up to 16 batteries in parallel for a massive 81.9kWh 48V energy system.
Certified safety components UL 1642, UL 9540A and IEC 62619:2022 cells; a 270A UL 60691 internal fuse; and Smart BMS safeguards.
Replacing a Group 8D battery? Confirm tray fit, hold-down and lid clearance against 20.86 × 8.65 × 12.06 in first. The optional Epoch V2 & V2-T Mounting Hardware (8D battery bracket, sold separately) fastens to the six M8 nuts on the case.
11-year warranty Backed by Epoch’s 11-year limited manufacturer warranty; register within 90 days of purchase.
Maintenance-free LiFePO4 No watering, equalizing or acid maintenance. Inspect the case, terminals and cables every 3 months and keep the M8 terminals at 8–12 N·m.
Expandable 48V Power Architecture
Scale Up to Massive Capacities: Wire Up to 16 in Parallel
Start with 5.12kWh. Scale to 81.9kWh.
As power needs grow, the Epoch V2 Elite can grow with the system. Wire up to 16 batteries in parallel to create a 48V bank with up to 1,600Ah of capacity and approximately 81.9kWh of stored energy. This makes it a strong platform for large off-grid homes, premium RV conversions, marine systems, and high-capacity backup power builds.
Technical Specifications & Discharge Limits
Clean technical table for system designers, installers, and off-grid builders.
| General | |
|---|---|
| Brand | Epoch Batteries |
| Model / SKU | C48100A |
| Series | V2 Elite Series |
| Battery type | Heated Bluetooth LiFePO4 deep-cycle battery with Victron communication |
| Primary applications | 48V off-grid, RV, marine, solar, backup, and high-power inverter systems |
| Chemistry | LiFePO4 / lithium iron phosphate |
| Cell configuration | 16S1P (100Ah cells) |
| Bluetooth | Yes — Bluetooth 4.0 through the included battery gauge; Epoch Li-Ion app (iOS and Android) |
| Victron communication | Yes — CAN bus at 500 kbit/s to compatible Victron GX devices (BMS-CAN or VE.Can port) |
| Internal heating | Yes |
| External controls | Power button on the battery; mountable ON/OFF switch and mountable battery gauge included |
| Cycle life | 3,500+ cycles to 70% remaining capacity (25°C, 0.5C charge, 1C discharge) |
| Voltage and capacity | |
| Nominal voltage | 51.2V (3.2V per cell) |
| Nominal capacity | 100Ah (0.5C, 25°C) |
| Energy capacity | 5.12kWh / 5,120Wh |
| Maximum voltage | 58.4V (3.65V per cell) |
| Minimum voltage | 40.0V (2.5V per cell) |
| Operating voltage range | 40.0V – 58.4V |
| Self-discharge | ≤3% per month (100% SOC, 25°C) |
| State of charge at shipment | 30% ± 3%; charge fully before first use |
| Current ratings | |
| Max continuous discharge | 150A (up to 20 minutes at 150A; not for cycling) |
| Peak discharge | 300A for 30 seconds |
| Max continuous charge current | 100A |
| Max short-duration charge current | 300A for 5 seconds |
| Theoretical continuous DC output | 51.2V × 150A = 7,680W DC, before inverter losses (up to 20 minutes) |
| Series and parallel configuration | |
| Series connections | No series connections; native 48V battery |
| Parallel connections | Max 16 batteries in parallel; set the DIP switches for the bank |
| Maximum parallel bank | Up to 1,600Ah / 81.92kWh at 51.2V nominal |
| Temperature | |
| Charge temperature range | -30°C to 55°C / -22°F to 131°F ambient, with self-heating |
| Cell charge temperature range | 0°C to 55°C / 32°F to 131°F |
| Discharge temperature range | -20°C to 55°C / -4°F to 131°F |
| Storage temperature, up to 1 year | 0°C to 35°C / 32°F to 95°F |
| Storage temperature, up to 1 month | -20°C to 45°C / -4°F to 113°F |
| Best performance | 15°C to 25°C / 59°F to 77°F |
| Self-heating | Yes — charging stops at 0°C and resumes at 5°C (cell temperature) while the heater, powered by the charge source, warms the cells |
| Mechanical | |
| Dimensions | 20.86 in L × 8.65 in W × 12.06 in H (529.8 × 219.8 × 306.3 mm; height including terminal posts) |
| Case height (body) | 11.54 in / 293.0 mm |
| Terminal spacing | 17.99 in / 457.0 mm, center to center |
| Weight | 97 lb / approx. 44 kg |
| Case material | ABS and PC blend (UL94 V-0) |
| Enclosure protection | IP67: dust-tight; temporary immersion to 1 m for 30 minutes. Not rated for water jets, pressure washing or continuous submersion |
| Terminals | M8 threaded; 8–12 N·m (71–106 lbf·in) |
| Mounting | Upright; six M8 nuts for the optional Epoch V2 & V2-T Mounting Hardware (8D battery bracket, sold separately), 125 mm (4.92 in) spacing |
| Recommended charging settings | |
| Charger type | Lithium (LiFePO4) compatible, CC/CV; program every charge source, including Victron equipment, to these settings |
| Absorption voltage | 56.8V |
| Absorption time | At least 15 minutes per battery in the bank |
| Float voltage | 54.0V |
| Re-bulk voltage | 53.2V |
| Equalization | Off / disabled |
| Temperature compensation | Disabled (0 mV/°C) |
| BMS high-voltage cutoff | 58.4V |
| SOC recalibration | 58.4V (manual); custom algorithm under Victron communication |
| Charge current | 100A maximum continuous per battery; 300A for up to 5 seconds |
| Victron setup | Use BMS-CAN (or VE.Can at 500 kbit/s), confirm the Epoch battery on the GX device, turn DVCC on, and set Epoch as the controlling BMS and the battery monitor |
| BMS protection and compliance | |
| Smart BMS protection | Overcharge, over-discharge, over-current, short circuit, high/low temperature disconnects |
| Overcharge protection | 3.65 ± 0.01V per cell (58.4V); release 3.45 ± 0.01V per cell (55.2V) |
| Over-discharge protection | 2.70 ± 0.05V per cell (43.2V); release 3.00 ± 0.05V per cell (48.0V) |
| Over-current protection | Charge 110A (release 90A) and discharge 350A, each after 5 seconds; short circuit 1,200A |
| Temperature protection | Charge: low 0°C (release 5°C), high 55°C (release 50°C). Discharge: low -20°C (release -17°C), high 55°C (release 50°C) |
| Self-consumption | 20mA powered on; 200µA powered off |
| Internal fuse | 270A rated (UL 60691, TEX150-R1N-XBZ); 1,200A transient overload for 3 seconds |
| Cell certifications | UL 1642, UL 9540A, IEC 62619:2022 |
| Additional compliance | CE, RoHS; UN 3480, Class 9 (transport) |
| Warranty | 11-year limited manufacturer warranty; register within 90 days of purchase |
IP67 enclosure protection
Dust-tight, immersion-rated, and installed where it stays dry.
The IP67 enclosure is dust-tight and protected against temporary immersion in up to 1 m of water for 30 minutes (IEC 60529), making it far more flexible than indoor-only server rack designs. It is not rated for water jets, pressure washing or continuous submersion: secure the battery upright, keep it where it stays dry in normal use, protect wiring and ports, keep all harness connectors fully seated, and follow best practices for marine, RV, and outdoor electrical systems.
Victron and charger setup matters
Use CANbus communication and proper 48V LiFePO4 settings.
For Victron systems, set the DIP switches, plug the communication harness’s grey RJ45 plug into the GX device’s BMS-CAN port (VE.Can 1 or 2 at 500 kbit/s on a Cerbo GX Mk2), confirm the Epoch battery appears on the device list, turn DVCC on, and set Epoch as the controlling BMS and the battery monitor. Program every charge source, Victron included, to the recommended 56.8V absorption, 54.0V float and 53.2V re-bulk values so charging stays correct if CAN communication is lost; for non-Victron systems, use a 48V LiFePO4-compatible charger or inverter charger set to the same values.
Fitment and installation note
Verify your complete 48V system before installation.
Always confirm space (20.86 × 8.65 × 12.06 in; when replacing a Group 8D lead-acid battery, check tray fit, hold-down and lid clearance), mounting, cable clearance, terminal access, charger compatibility, inverter surge requirements, communication harnessing, fuse/breaker sizing (a DC-rated fuse or breaker close to the battery positive; the internal 270A fuse does not replace it), and local electrical standards before installation. Use matched batteries of the same model, age, capacity, and state of charge for parallel banks, and follow Epoch’s manual for DIP switch and communication setup.
Epoch 48V 100Ah V2 Elite Battery FAQs
Common questions about Victron integration, IP67 protection, inverter sizing, parallel expansion, heating, and 48V system compatibility.
Is this 48V battery compatible with Victron Energy equipment?
Yes. The Epoch 48V 100Ah V2 Elite communicates over CAN bus at 500 kbit/s with compatible Victron GX devices, including Cerbo GX, Ekrano GX and Cerbo GX Mk2 installations. The included communication harness has a grey RJ45 plug for the GX device’s BMS-CAN port; on a Cerbo GX Mk2, use VE.Can 1 or VE.Can 2 and set the port speed to 500 kbit/s. Set the DIP switches on every battery, then turn on DVCC and set the controlling BMS and the battery monitor to Epoch: the battery then reports its status and sets the charge voltage and current limits of Victron chargers.
How does this differ from a standard 48V server rack battery?
Most 48V server rack batteries are designed for dry, climate-controlled indoor environments. The Epoch V2 Elite is built for mobile and harsh environments with an IP67 dust-tight, immersion-rated enclosure, internal self-heating, Bluetooth monitoring, Victron CAN communication, and a rugged 20.86 × 8.65 × 12.06 in case for RV, marine, and off-grid systems.
What size inverter can a single 48V 100Ah battery power?
A single Epoch 48V 100Ah battery stores 5.12kWh and is rated for 150A continuous discharge, about 7,680W DC at 51.2V before inverter losses, but only for up to 20 minutes at 150A and not for cycling; 300A is allowed for 30 seconds for surges. The DC input current is roughly the AC load divided by (battery voltage × inverter efficiency): a 2,000W load through an inverter assumed to be 90% efficient draws about 2,000 ÷ (51.2 × 0.90) ≈ 43A. If the inverter’s continuous DC input can exceed 150A, add batteries in parallel so the current per battery stays within the rating, and size cables, fusing and the disconnect for the maximum system current.
Can I connect multiple 48V 100Ah batteries together?
Yes. This model supports up to 16 batteries in parallel, allowing system builders to scale from one 5.12kWh battery up to a 1,600Ah / 81.92kWh 48V power bank. Use matched C48100A batteries of the same age, capacity, and state of charge, and set the DIP switches for the bank. This is a native 48V battery and should not be wired in series to create higher voltages.
Will the internal heating drain my battery if I am off-grid?
No. The internal heater is powered by the charge source: when a charger is connected and the cells are below 0°C (32°F), the BMS holds off normal charging while the heater warms the cells, then resumes charging when they reach 5°C (41°F). It does not use stored battery capacity to keep itself warm while sitting or discharging. With self-heating, charging is supported from -22°F / -30°C ambient.
Can I use this battery in a 48V golf cart or electric marine outboard?
It can be an excellent upgrade for compatible 48V vehicles, golf carts, and electric marine propulsion systems, but compatibility must be confirmed first. Verify controller voltage, peak current (the battery allows 300A for 30 seconds), continuous current (150A for up to 20 minutes, 100A continuous charge), charger profile, physical fitment, terminal access, and manufacturer guidance before installation.
Is this battery waterproof?
It is IP67 rated, meaning it is dust-tight and protected against temporary immersion in up to 1 m of water for 30 minutes. It is not rated for water jets, pressure washing or continuous submersion: install it where it stays dry in normal use, with all harness connectors fully seated, and do not treat it as submersible equipment or install it with damaged seals or open ports.
Does the Epoch Li-Ion app show all batteries in a large bank?
Yes. The Epoch Li-Ion app (iOS and Android), reached over Bluetooth 4.0 through the included battery gauge, shows state of charge, total voltage, total current and total capacity for the bank in its parallel view, and voltage, current, power, remaining capacity and warnings for each battery. Each battery appears as C48100A_ followed by its serial number; the Cells, History and Battery events screens add cell voltages, cell balance, temperatures and BMS events, and the About page installs firmware updates over the air.
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Safety certifications & listings
Every mark below is a standard this battery has been tested against or a listing it carries. Here is what each one covers, in plain English.
IP67
Ingress protection
Dust-tight, and protected against temporary immersion in up to 1 m of water for 30 minutes. Under IEC 60529 the first digit rates solids and the second rates water.
- Sealed against dust and dirt
- Temporary immersion to 1 m for 30 minutes
- Not rated for water jets or pressure washing
IEC 60529, Degrees of protection provided by enclosures
UL 1642
Lithium cell safety
The UL standard for lithium cells. Each cell design is tested for fire and explosion risk under abuse before it is built into a pack.
- Short-circuit and overcharge
- Crush, impact and shock
- Heating and temperature cycling
UL 1642, Lithium batteries
UL 9540A
Thermal runaway testing
A UL test method that measures how a cell behaves if it goes into thermal runaway, and whether fire can spread to its neighbours. The data is used to design safer energy storage systems.
- Cell-level thermal runaway data
- Fire propagation assessment
- Heat and gas release measured
UL 9540A, Test method for evaluating thermal runaway fire propagation in battery energy storage systems
IEC 62619
Industrial battery safety
The international safety standard for rechargeable lithium cells and batteries in industrial use, including stationary energy storage.
- Electrical and mechanical abuse
- Thermal runaway propagation
- Battery management functional safety
IEC 62619, Safety requirements for secondary lithium cells and batteries for use in industrial applications
UL 60691
Thermal fuse
The UL standard for thermal-links: one-shot fuses that open when temperature climbs past a safe limit under a fault, cutting the circuit before anything overheats.
- Opens at a fixed over-temperature
- Tested for reliable one-time operation
- Backs up the BMS protections
UL 60691, Thermal-links, requirements and application guide
CE
EU conformity
The manufacturer's declaration that the product meets the European Union's health, safety and environmental requirements, which is required to sell it in the European Economic Area.
- Applicable EU safety directives
- Electromagnetic compatibility
- Environmental requirements
CE marking, EU declaration of conformity
RoHS
Hazardous substances
Complies with the EU Restriction of Hazardous Substances directive, which limits lead, mercury, cadmium and other toxic materials in electronics.
- Lead, mercury and cadmium below limits
- Restricted flame retardants and phthalates
- Safer to handle and recycle
Directive 2011/65/EU, Restriction of hazardous substances
Reviews
Recent reviews
Satisfied Customer
Battery functioning as designed!
Great setup.
I installed the system on a boat with a Torqeedo motor. Phenomenal performance, relatively lightweight and got the order super quickly. Went in with no issues and I’m very happy with the set up.
OceanVolt Saildrive
Installed as main propulsion battery in an Alerion 28 sailboat with an OceanVolt 6kW saildrive. Replaced 4x Valence 12V batteries. Easy install, owner loves it!
Compare Epoch Elite Batteries
| Model | Capacity | Energy | Weight | Bluetooth | Heating | Victron Ready |
|---|---|---|---|---|---|---|
| 12V 460Ah Elite | 460Ah | 5.89 kWh | 97 lbs | Yes | Yes | Yes |
| 24V 230Ah Elite | 230Ah | 5.89 kWh | 97 lbs | Yes | Yes | Yes |
| 48V 100Ah EliteThis model | 100Ah | 5.12 kWh | 97 lbs | Yes | Yes | Yes |