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
The Epoch 36V 50Ah Heated rates 3.5 among 36V 24V or 36V lithium batterys; the Power Queen 24V 50Ah Bluetooth rates 3.3 among 24V ones. The Power Queen 24V 50Ah Bluetooth costs $433.01 less ($315.99 vs $749).
Power Queen 24V 50Ah Bluetooth
#22 in 24VFull review
A low-cost 24V trolling motor battery for kayaks and small boats. It matches the LiTime and Redodo 50Ah models closely.
Amazon $315.99$315.99
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.
Scores side by side
These two sit in different voltage classes (36V and 24V), and each is scored against the reference points for its own class, so a rating says how well each does among its own voltage peers. How we rank explains each factor.
| Factor weight | Epoch 36V 50Ah Heated | Power Queen 24V 50Ah Bluetooth |
|---|---|---|
| Overall rating | 3.5/5 | 3.3/5 |
| Value 35% | 27 $0.39 per rated Wh | 63 $0.25 per rated Wh |
| Tested capacity 15% | 50 not yet independently tested (neutral score used) | 50 not yet independently tested (neutral score used) |
| Output 15% | 75 100 A continuous (about 3,840 W at 38.4 V) | 17 50 A continuous (about 1,280 W at 25.6 V) |
| Warranty 15% | 100 11-year warranty | 50 5-year warranty |
| Cycle life 10% | 50 4,000 cycles, maker rating | 50 4,000 cycles, maker rating |
| Cold weather 10% | 100 self-heating, so it charges below freezing | 60 stops charging below freezing (no heater) |
Specifications
| Epoch 36V 50Ah Heated | Power Queen 24V 50Ah Bluetooth | |
|---|---|---|
| Capacity | ||
| Rated capacity | 50 Ah (1,920 Wh) | 50 Ah (1,280 Wh) |
| Nominal voltage | 38.4 V | 25.6 V |
| Chemistry | LiFePO4 | LiFePO4 |
| Rated cycle life | 4,000 | 4,000 |
| Price per Wh | $0.39 | $0.25 |
| BMS | ||
| Continuous discharge | 100 A | 50 A |
| Peak discharge | 130 A | 250 A |
| Max charge current | 50 A | 50 A |
| Low-temperature charging | Self-heating | Charge cutoff only |
| Bluetooth monitoring | Yes | Yes |
| Series / parallel | up to 1 in series, 4 in parallel | up to 2 in series, 4 in parallel |
| Build | ||
| Case size | Group 31 | Group 24 |
| Dimensions | 13 x 6.8 x 9.44 in | 10.24 x 6.61 x 8.27 in |
| Weight | 35 lb | 21.6 lb |
| Terminals | M8 female | - |
| Water resistance | IP65 | IP65 |
| Warranty | 11 years | 5 years |
| Released | - | 2024-08 |