Dyness 36V 55Ah
#1 in 36VFull review
A strong value for 36V trolling motors, with far more current headroom than the 50Ah competition. Check that the GC2 height fits before buying.
Amazon $319.99$319.99
The Dyness 36V 55Ah is the better 24V or 36V lithium battery overall, rated 4.0 to 3.5. The Dyness 36V 55Ah leads on value and output. The Epoch 36V 50Ah Heated wins on cold weather. The Dyness 36V 55Ah costs $429.01 less ($319.99 vs $749).
Epoch 36V 50Ah Heated
#4 in 36VFull review
A premium 36V 50Ah for anglers who run high-thrust motors hard and fish in cold weather. Budget buyers get the same capacity for much less elsewhere.
Epoch $749$749
Prices were last checked November 2, 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 Dyness 36V 55Ah for value ($0.15 per rated Wh vs $0.39 per rated Wh) and output (150 A continuous (about 5,760 W at 38.4 V) vs 100 A continuous (about 3,840 W at 38.4 V)).
- Choose the Epoch 36V 50Ah 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 36V 24V or 36V lithium battery; a clear win is highlighted. How we rank explains each one.
| Factor weight | Dyness 36V 55Ah | Epoch 36V 50Ah Heated |
|---|---|---|
| Overall rating | 4.0/5 | 3.5/5 |
| Value 35% | 87 $0.15 per rated Wh | 27 $0.39 per rated Wh |
| Tested capacity 15% | 50 not yet independently tested (neutral score used) | 50 not yet independently tested (neutral score used) |
| Output 15% | 100 150 A continuous (about 5,760 W at 38.4 V) | 75 100 A continuous (about 3,840 W at 38.4 V) |
| Warranty 15% | 50 warranty not published (neutral score used) | 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% | 60 stops charging below freezing (no heater) | 100 self-heating, so it charges below freezing |
Specifications
| Dyness 36V 55Ah | Epoch 36V 50Ah Heated | |
|---|---|---|
| Capacity | ||
| Rated capacity | 55 Ah (2,112 Wh) | 50 Ah (1,920 Wh) |
| Nominal voltage | 38.4 V | 38.4 V |
| Chemistry | LiFePO4 | LiFePO4 |
| Rated cycle life | 4,000 at 100% depth | 4,000 |
| Price per Wh | $0.15 | $0.39 |
| BMS | ||
| Continuous discharge | 150 A | 100 A |
| Peak discharge | 800 A | 130 A |
| Max charge current | - | 50 A |
| Low-temperature charging | Charge cutoff only | Self-heating |
| Bluetooth monitoring | - | Yes |
| Series / parallel | up to 1 in series, 4 in parallel | up to 1 in series, 4 in parallel |
| Build | ||
| Case size | GC2 | Group 31 |
| Dimensions | 10.24 x 7.09 x 10.62 in | 13 x 6.8 x 9.44 in |
| Weight | 30 lb | 35 lb |
| Terminals | - | M8 female |
| Water resistance | IP65 | IP65 |
| Warranty | - | 11 years |