LiTime 12V 100Ah Group 31
#3 in 100 Ah classFull 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
The LiTime 12V 100Ah Group 31 and the Renogy 12V 100Ah Core Mini are evenly matched, rated 3.8 and 3.7. The Renogy 12V 100Ah Core Mini wins on value. The Renogy 12V 100Ah Core Mini costs $66 less ($269.99 vs $335.99).
Renogy 12V 100Ah Core Mini
#5 in 100 Ah classFull review
For campers and small RV or van builds that need a compact, inexpensive 100Ah battery from a known brand. Choose a heated model if you charge below freezing.
Amazon $269.99$269.99
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 Renogy 12V 100Ah Core Mini for value ($0.21 per rated Wh vs $0.26 per rated Wh).
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 | Renogy 12V 100Ah Core Mini |
|---|---|---|
| Overall rating | 3.8/5 | 3.7/5 |
| Value 35% | 73 $0.26 per rated Wh | 82 $0.21 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) | 50 100 A continuous (about 1,280 W at 12.8 V) |
| Warranty 15% | 50 5-year warranty | 50 5-year warranty |
| Cycle life 10% | 50 4,000 cycles at 100% depth, maker rating | 67 5,000 cycles at 80% depth, maker rating |
| Cold weather 10% | 50 low-temperature charging protection not stated (neutral score used) | 60 stops charging below freezing (no heater) |
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. |
Renogy 12V 100Ah Core Mini
No independent test published yet.
Specifications
| LiTime 12V 100Ah Group 31 | Renogy 12V 100Ah Core Mini | |
|---|---|---|
| Capacity | ||
| Rated capacity | 100 Ah (1,280 Wh) | 100 Ah (1,280 Wh) |
| Tested capacity | 106% of rated | - |
| Nominal voltage | 12.8 V | 12.8 V |
| Chemistry | LiFePO4 | LiFePO4 |
| Rated cycle life | 4,000 at 100% depth | 5,000 at 80% depth |
| Price per Wh | $0.26 | $0.21 |
| BMS | ||
| Continuous discharge | 100 A | 100 A |
| Peak discharge | - | 300 A for 5 s |
| Max charge current | - | 100 A |
| Low-temperature charging | - | Charge cutoff only |
| Bluetooth monitoring | No | No |
| Series / parallel | up to 4 in series, 4 in parallel | up to 4 in series, 4 in parallel |
| Build | ||
| Case size | Group 31 | Group 22NF |
| Dimensions | 13 x 6.77 x 8.43 in | 9.02 x 5.43 x 8.39 in |
| Weight | 22.1 lb | 21.8 lb |
| Terminals | - | M8 |
| Water resistance | IP65 | IP65 |
| Warranty | 5 years | 5 years |