For boaters and overlanders who value a long US warranty and a sealed, bolt-down case over capacity per dollar.
Amazon $687.65 Expion360 $499The Expion360 12V 80Ah Group 24 is the better 12V lithium battery overall, rated 3.7 to 3.2. The Expion360 12V 80Ah Group 24 leads on output and warranty. The LiTime 12V 30Ah Self-Heating wins on cold weather. The LiTime 12V 30Ah Self-Heating costs $289.01 less ($209.99 vs $499).
For ice anglers and kayakers powering a fish finder in the cold, who want a light battery that can charge below freezing.
LiTime $209.99Prices were last checked October 31, 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 Expion360 12V 80Ah Group 24 for output (60 A continuous (about 770 W at 12.8 V) vs 20 A continuous (about 260 W at 12.8 V)) and warranty (12-year warranty vs 5-year warranty).
- Choose the LiTime 12V 30Ah Self-Heating for cold weather (self-heating, so it charges below freezing vs stops charging below freezing (no heater)).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every small 12V lithium battery; a clear win is highlighted. How we rank explains each one.
| Factor weight | Expion360 12V 80Ah Group 24 | LiTime 12V 30Ah Self-Heating |
|---|---|---|
| Overall rating | 3.7/5 | 3.2/5 |
| Value 35% | 61 $0.48 per rated Wh | 53 $0.55 per rated Wh |
| Tested capacity 15% | 50 not yet independently tested (neutral score used) | 50 not yet independently tested (neutral score used) |
| Output 15% | 50 60 A continuous (about 770 W at 12.8 V) | 0 20 A continuous (about 260 W at 12.8 V) |
| Warranty 15% | 100 12-year warranty | 50 5-year warranty |
| Cycle life 10% | 50 4,000 cycles at 100% depth, maker rating | 50 4,000 cycles at 100% depth, maker rating |
| Cold weather 10% | 60 stops charging below freezing (no heater) | 100 self-heating, so it charges below freezing |
Specifications
| Expion360 12V 80Ah Group 24 | LiTime 12V 30Ah Self-Heating | |
|---|---|---|
| Capacity | ||
| Rated capacity | 80 Ah (1,036 Wh) | 30 Ah (384 Wh) |
| Nominal voltage | 12.8 V | 12.8 V |
| Chemistry | LiFePO4 | LiFePO4 |
| Rated cycle life | 4,000 at 100% depth | 4,000 at 100% depth |
| Price per Wh | $0.48 | $0.55 |
| BMS | ||
| Continuous discharge | 60 A | 20 A |
| Peak discharge | 100 A for 1 s | 100 A for 1 s |
| Max charge current | 40 A | 20 A |
| Low-temperature charging | Charge cutoff only | Self-heating |
| Bluetooth monitoring | No | Yes |
| Series / parallel | up to 4 in series, 4 in parallel | up to 4 in series, 4 in parallel |
| Build | ||
| Case size | Group 24 | - |
| Dimensions | 10.24 x 6.81 x 8.59 in | 5.98 x 3.94 x 5.16 in |
| Weight | 24 lb | 6.2 lb |
| Terminals | M8 x 1.25 brass | F2 |
| Water resistance | IP66 | IP65 |
| Warranty | 12 years | 5 years |
| Released | 2023-03 | 2026-02 |
