LiTime 12V 320Ah Mini Bluetooth
#3 in LargeFull review
For off-grid and RV systems that need the most storage per inch. It holds 4 kWh in a compact case with Bluetooth monitoring.
Amazon $829.99$829.99
The LiTime 12V 320Ah Mini Bluetooth is the better 12V lithium battery overall, rated 3.6 to 2.8. The LiTime 12V 320Ah Mini Bluetooth leads on value. The Battle Born 270Ah GC3 Heated wins on cold weather. The LiTime 12V 320Ah Mini Bluetooth costs $1,769.01 less ($829.99 vs $2,599).
Battle Born 270Ah GC3 Heated
#8 in LargeFull review
For large RV and marine banks that want one heated 270Ah battery from a US maker and can handle the weight and cost.
Inverters R Us $2,599$2,599
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 320Ah Mini Bluetooth for value ($0.20 per rated Wh vs $0.75 per rated Wh).
- Choose the Battle Born 270Ah GC3 Heated 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 large 12V lithium battery; a clear win is highlighted. How we rank explains each one.
| Factor weight | LiTime 12V 320Ah Mini Bluetooth | Battle Born 270Ah GC3 Heated |
|---|---|---|
| Overall rating | 3.6/5 | 2.8/5 |
| Value 35% | 78 $0.20 per rated Wh | 0 $0.75 per rated Wh |
| Tested capacity 15% | 50 not yet independently tested (neutral score used) | 50 not yet independently tested (neutral score used) |
| Output 15% | 50 200 A continuous (about 2,560 W at 12.8 V) | 50 continuous current not published (neutral score used) |
| Warranty 15% | 50 5-year warranty | 50 warranty not published (neutral score used) |
| Cycle life 10% | 50 4,000 cycles at 100% depth, maker rating | 33 3,000 cycles, maker rating |
| Cold weather 10% | 60 stops charging below freezing (no heater) | 100 self-heating, so it charges below freezing |
Specifications
| LiTime 12V 320Ah Mini Bluetooth | Battle Born 270Ah GC3 Heated | |
|---|---|---|
| Capacity | ||
| Rated capacity | 320 Ah (4,096 Wh) | 270 Ah (3,456 Wh) |
| Nominal voltage | 12.8 V | 12.8 V |
| Chemistry | LiFePO4 | LiFePO4 |
| Rated cycle life | 4,000 at 100% depth | 3,000 |
| Price per Wh | $0.20 | $0.75 |
| BMS | ||
| Continuous discharge | 200 A | - |
| Low-temperature charging | Charge cutoff only | Self-heating |
| Bluetooth monitoring | Yes | - |
| Series / parallel | up to 4 in series, 4 in parallel | - |
| Build | ||
| Dimensions | 14.49 x 7.44 x 10.63 in | 22.83 x 7.09 x 13.15 in |
| Weight | 57.2 lb | 80.8 lb |
| Terminals | - | 0.25 in brass blades |
| Water resistance | IP65 | - |
| Warranty | 5 years | - |