For kayak anglers, ice fishing and small portable setups that need a light battery with a long warranty.
TackleDirect $399 BatteryMart $410The Dakota Lithium 12V 54Ah is the better 12V lithium battery overall, rated 3.5 to 2.7. The Dakota Lithium 12V 54Ah leads on value and output. The Bioenno Power 12V 20Ah BLF-1220A costs $206.01 less ($192.99 vs $399).
For ham radio operators and field electronics users who want a light pack with Powerpole connectors and a long warranty, used in dry conditions.
Bioenno Power $192.99Prices 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 Dakota Lithium 12V 54Ah for value ($0.58 per rated Wh vs $0.80 per rated Wh) and output (60 A continuous (about 770 W at 12.8 V) vs 30 A continuous (about 380 W at 12.8 V)).
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 | Dakota Lithium 12V 54Ah | Bioenno Power 12V 20Ah BLF-1220A |
|---|---|---|
| Overall rating | 3.5/5 | 2.7/5 |
| Value 35% | 50 $0.58 per rated Wh | 23 $0.80 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) | 12 30 A continuous (about 380 W at 12.8 V) |
| Warranty 15% | 100 11-year warranty | 100 20-year warranty |
| Cycle life 10% | 33 3,000 cycles, maker rating | 17 2,000 cycles, maker rating |
| Cold weather 10% | 50 low-temperature charging protection not stated (neutral score used) | 0 no low-temperature charge protection |
Specifications
| Dakota Lithium 12V 54Ah | Bioenno Power 12V 20Ah BLF-1220A | |
|---|---|---|
| Capacity | ||
| Rated capacity | 54 Ah (691 Wh) | 20 Ah (240 Wh) |
| Nominal voltage | 12.8 V | 12 V |
| Chemistry | LiFePO4 | LiFePO4 |
| Rated cycle life | 3,000 | 2,000 |
| Price per Wh | $0.58 | $0.80 |
| BMS | ||
| Continuous discharge | 60 A | 30 A |
| Peak discharge | 100 A for 10 s | 40 A for 3 s |
| Max charge current | 27 A | - |
| Low-temperature charging | - | None |
| Bluetooth monitoring | - | No |
| Series / parallel | up to 4 in series | - |
| Build | ||
| Case size | Group U1 | - |
| Dimensions | 7.75 x 5.3 x 7.5 in | 6.5 x 4.31 x 3.3 in |
| Weight | 14.3 lb | 5.4 lb |
| Terminals | M6 | Anderson Powerpole PP45 and DC barrel plug |
| Warranty | 11 years | 20 years |
| Released | 2019-07 | 2013-03 |
