Epoch 12V 105Ah Essential vs LiTime 12V 100Ah Group 31

The LiTime 12V 100Ah Group 31 is the better 12V lithium battery overall, rated 3.8 to 3.7. The LiTime 12V 100Ah Group 31 leads on value. The Epoch 12V 105Ah Essential wins on warranty. The LiTime 12V 100Ah Group 31 costs $213.01 less ($335.99 vs $549).

Higher rated

LiTime 12V 100Ah Group 31

#3 in 100 Ah class3.8Full review

A good-value Group 31 drop-in for boats and RVs used in mild climates. Independent testing shows it delivers more than its rated 100Ah.

Amazon $335.99

$335.99

Epoch 12V 105Ah Essential

#7 in 100 Ah class3.7Full review

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.

Epoch $549

$549

Prices were last checked October 22, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.

Which should you buy?

Choose the LiTime 12V 100Ah Group 31 for value ($0.26 per rated Wh vs $0.41 per rated Wh).
Choose the Epoch 12V 105Ah Essential for warranty (11-year warranty vs 5-year warranty).

Scores side by side

Each factor is scored 0-100 against the same fixed reference points for every 100 Ah class 12V lithium battery; a clear win is highlighted. How we rank explains each one.

Factor weight	LiTime 12V 100Ah Group 31	Epoch 12V 105Ah Essential
Overall rating	3.8/5	3.7/5
Value 35%	73 $0.26 per rated Wh	49 $0.41 per rated Wh
Tested capacity 15%	100 106% of rated capacity measured (1 test)	50 not yet independently tested (neutral score used)
Output 15%	50 100 A continuous (about 1,280 W at 12.8 V)	55 105 A continuous (about 1,340 W at 12.8 V)
Warranty 15%	50 5-year warranty	100 11-year warranty
Cycle life 10%	50 4,000 cycles at 100% depth, maker rating	50 4,000 cycles, maker rating
Cold weather 10%	50 low-temperature charging protection not stated (neutral score used)	100 self-heating, so it charges below freezing

Independent capacity tests

LiTime 12V 100Ah Group 31

Tested by	Measured	Energy	Of rated	Discharge	Conditions
techtest.org	106.5 Ah	1,380 Wh	106%	5 A	ATORCH DLB-600W electronic load to BMS cutoff; EU unit (329 x 172 x 214 mm). Same test also measured 106.06 Ah / 1363 Wh at 10 A and 105.57 Ah / 1320.8 Wh at 20 A.