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
3.4/5
A solid 36V trolling motor battery for boats with a Group 31 tray and a mid-size 36V motor. It is priced close to the LiTime and Redodo equivalents.
- 50 Ah (1,920 Wh)Capacity
- 50 AContinuous output
- Charge cutoff onlyCold charging
- YesBluetooth
- 5 yearsWarranty
- $0.22Price / Wh
Check price at Amazon$429.99
Price checked November 2, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Single Group 31 case replaces three 12V batteries on a 36V trolling motor
- Bluetooth app shows charge level during a day on the water
- Stops charging below freezing to protect the cells
Cons
- 50 A limit is tight for 112 lb thrust motors at full speed
- Cannot be wired in series
How it scores
The rating comes from 6 measured or published factors, each scored 0-100 against fixed reference points for its voltage. How we rank explains each one.
Specifications
| Model number | P36V50-50-TM-BT-12-A100 |
|---|---|
| Capacity | |
| Rated capacity | 50 Ah (1,920 Wh) |
| Nominal voltage | 38.4 V |
| Chemistry | LiFePO4 |
| Rated cycle life | 4,000 at 100% depth |
| Price per Wh | $0.22 |
| BMS | |
| Continuous discharge | 50 A |
| Peak discharge | 250 A |
| Low-temperature charging | Charge cutoff only |
| Bluetooth monitoring | Yes |
| Series / parallel | up to 1 in series, 4 in parallel |
| Build | |
| Case size | Group 31 |
| Dimensions | 13 x 6.77 x 8.43 in |
| Weight | 33.1 lb |
| Water resistance | IP65 |
| Warranty | 5 years |
| Released | 2024-09 |
Alternatives in this voltage
Redodo 36V 50Ah
#5 in 36VFull review
The budget pick for 36V trolling motors in a Group 31 tray. Skipping Bluetooth saves money over the Power Queen and LiTime versions.
Amazon $369.99$369.99
LiTime 36V 50Ah Bluetooth
#7 in 36VFull review
A straightforward lithium swap for 36V trolling motors in a Group 31 tray. Tournament anglers running high thrust all day may want 100Ah.
Amazon $449.99$449.99
Compare
Compare the Power Queen 36V 50Ah Bluetooth with any other 24V or 36V lithium battery →
More from Power Queen: every Power Queen product ranked.