Epoch 12V 105Ah Essential

Last updated: October 22, 2026

Epoch 12V 105Ah Essential
3.7/5#7 of 17 in 100 Ah class 12V batteries
3.7

For boat and RV owners who charge below freezing and want a Group 24 battery with heating and Bluetooth built in. You pay a premium over budget brands for the heater, the app and the longer warranty.

  • 105 Ah (1,344 Wh)Capacity
  • 105 AContinuous output
  • Self-heatingCold charging
  • YesBluetooth
  • 11 yearsWarranty
  • $0.41Price / Wh
Check price at Epoch$549

Price checked October 22, 2026. As an Amazon Associate we earn from qualifying purchases.

Pros
  • Charges in freezing weather: the charger’s own current warms the cells first
  • Group 24 footprint drops into many boat and RV battery boxes
  • Bluetooth app shows charge level and cell health from your phone
  • 11-year warranty with full replacement for the first 3 years
Cons
  • Costs roughly twice as much per watt-hour as budget 100Ah batteries
  • Free replacement ends after year 3; later years only get a discount
  • 105 A continuous limits a single battery to about a 1,000 W inverter

How it scores

The rating comes from 6 measured or published factors, each scored 0-100 against fixed reference points for its size. How we rank explains each one.

Specifications

Model number12105A-H
Capacity
Rated capacity105 Ah (1,344 Wh)
Nominal voltage12.8 V
ChemistryLiFePO4
Rated cycle life4,000
Price per Wh$0.41
BMS
Continuous discharge105 A
Peak discharge200 A for 10 s
Max charge current100 A
Low-temperature chargingSelf-heating
Bluetooth monitoringYes
Series / parallelup to 4 in series, 4 in parallel
Build
Case sizeGroup 24
Dimensions10.25 x 6.75 x 9.00 in
Weight22.1 lb
TerminalsM8 female
Water resistanceIP54
Warranty11 years

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