best LiFePO₄
batteries compared
Brand / Spec
100Ah 12V GC2
SK12V100
12V 100A
Capacity
100Ah
100Ah
100Ah
Voltage
12V
12V
12V
Energy
1,280 Wh
1,280 Wh
1,280 Wh
BMS
Internal, user-serviceable, low-temp cutoff
Advanced smart BMS w/ Bluetooth
Internal with low-temp cutoff
Heated
Optional (in heated version)
Optional (in heated version)
No
Bluetooth Monitoring
No
Yes (on Bluetooth model)
No
Cycle Life
4000–8000 @ 80% DoD
4000–7000 @ 80% DoD
3000–5000 @ 80% DoD
Max Continuous Discharge
100A
100A
100A
Charging Temp Range
-4°F to 131°F (-20°C to 55°C)
-4°F to 131°F (-20°C to 55°C)
25°F to 135°F (-4°C to 57°C)
Weight
~27 lbs (12.2 kg)
~24.2 lbs (11 kg)
~31 lbs (14 kg)
Build Quality
Metal case, serviceable
Sealed plastic or metal (varies)
Sealed, rugged case
Warranty
7 years
5–10 years (depending on seller/model)
10 years