General
Brand
Epoch Batteries
Model / SKU
12105A-H
Series
Essential Series
Battery type
Heated Bluetooth deep-cycle LiFePO4 battery
Battery group size
Group 24
Chemistry
LiFePO4 / Lithium iron phosphate
Cell type
Prismatic LiFePO4
Cell configuration
4S1P
Bluetooth
Yes — compatible with iOS and Android apps
Internal heating
Yes
Cycle life
4,000+ cycles
Voltage and capacity
Nominal voltage
12.8V
Nominal capacity
105Ah
Energy stored
1.34kWh
Operating voltage range
10.0V – 14.6V
Maximum charge voltage
14.6V
Internal resistance
≤30mΩ
Low-voltage disconnect
10.0V
Reconnect voltage
12.0V
Current ratings
Max continuous discharge
105A
Max continuous charge current
100A
Recommended charge current
50A
Max discharge peak current
200A @ 10 seconds
Short-circuit protection
600A @ 500µs
Series and parallel configuration
Series connections
Max 4 batteries in series, up to 48V
Parallel connections
Max 4 batteries in parallel, up to 420Ah
Maximum configuration
4S4P
Temperature
Charge temperature range
-20°C to 55°C / -4°F to 131°F, with heating
Discharge temperature range
-20°C to 60°C / -4°F to 140°F
Recommended storage temperature
0°C to 35°C / 32°F to 95°F
Low-temperature charge protection
Yes
Operational altitude
<3000m
Self-discharge rate
≤3% per month
Dimensions and weight
Length
10.25 in / approx. 26.04 cm
Width
6.75 in / approx. 17.15 cm
Height
9.00 in / approx. 22.86 cm
Overall dimensions
10.25 in L × 6.75 in W × 9.00 in H
Weight
22.1 lbs / approx. 10.02 kg
Mechanical
Case material
ABS and PC blend, UL94-V0 flame rating
Enclosure protection
IP54
Terminal type
M8 female
Recommended charging settings
Maximum continuous charge current
100A
Bulk / absorption voltage
14.2V – 14.4V
Absorption end condition
Stop when charge current is ≤ C/20 or 15 minutes max
Float voltage
Disabled preferred, or 13.3V – 13.6V
Re-bulk voltage
13.2V
Temperature compensation
0mV/°C / none
Equalization
Disabled
Battery charge temperature range
0°C to 55°C / 32°F to 131°F
BMS high voltage cutoff
14.6V
SoC recalibration voltage
14.6V
BMS protection
Overcharge protection
Yes
Over-discharge protection
Yes
Over-current protection
Yes
Short-circuit protection
Yes
High and low temperature disconnects
Yes
Compliance and listings
Certifications / compliance
UL 1642 cells, UL 9540A cells, IEC 62619:2022, CE, RoHS
Shipping classification
UN 38.3, Class 9
Warranty
11-year manufacturer warranty