Power Queen 36V 50Ah Bluetooth
#7 in 36VFull review
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.
Amazon $429.99$429.99
The Power Queen 36V 50Ah Bluetooth and the LiTime 36V 50Ah Bluetooth are evenly matched, rated 3.4 and 3.4. The Power Queen 36V 50Ah Bluetooth costs $20 less ($429.99 vs $449.99).
LiTime 36V 50Ah Bluetooth
#8 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
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
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 | Power Queen 36V 50Ah Bluetooth | LiTime 36V 50Ah Bluetooth |
|---|---|---|
| Overall rating | 3.4/5 | 3.4/5 |
| Value 35% | 69 $0.22 per rated Wh | 66 $0.23 per rated Wh |
| Tested capacity 15% | 50 not yet independently tested (neutral score used) | 50 not yet independently tested (neutral score used) |
| Output 15% | 25 50 A continuous (about 1,920 W at 38.4 V) | 25 50 A continuous (about 1,920 W at 38.4 V) |
| Warranty 15% | 50 5-year warranty | 50 5-year warranty |
| Cycle life 10% | 50 4,000 cycles at 100% depth, maker rating | 50 4,000 cycles at 100% depth, maker rating |
| Cold weather 10% | 60 stops charging below freezing (no heater) | 60 stops charging below freezing (no heater) |
Specifications
| Power Queen 36V 50Ah Bluetooth | LiTime 36V 50Ah Bluetooth | |
|---|---|---|
| Capacity | ||
| Rated capacity | 50 Ah (1,920 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 at 100% depth |
| Price per Wh | $0.22 | $0.23 |
| BMS | ||
| Continuous discharge | 50 A | 50 A |
| Peak discharge | 250 A | 250 A |
| Max charge current | - | 50 A |
| Low-temperature charging | Charge cutoff only | Charge cutoff only |
| Bluetooth monitoring | Yes | Yes |
| Series / parallel | up to 1 in series, 4 in parallel | up to 1 in series, 4 in parallel |
| Build | ||
| Case size | Group 31 | Group 31 |
| Dimensions | 13 x 6.77 x 8.43 in | 13 x 6.77 x 8.5 in |
| Weight | 33.1 lb | 33.1 lb |
| Terminals | - | M8 bolts |
| Water resistance | IP65 | IP65 |
| Warranty | 5 years | 5 years |
| Released | 2024-09 | 2024-09 |