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 rates 3.4 among 36V 24V or 36V lithium batterys; the Redodo 24V 50Ah Bluetooth rates 3.3 among 24V ones. The Redodo 24V 50Ah Bluetooth costs $130 less ($299.99 vs $429.99).
Redodo 24V 50Ah Bluetooth
#20 in 24VFull review
A low-cost pick for kayak and small-boat 24V trolling motors. It trades a little headroom for the lowest price in its size.
Amazon $299.99$299.99
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 | Power Queen 36V 50Ah Bluetooth | Redodo 24V 50Ah Bluetooth |
|---|---|---|
| Overall rating | 3.4/5 | 3.3/5 |
| 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) | 17 50 A continuous (about 1,280 W at 25.6 V) |
| Warranty 15% | 50 5-year warranty | 50 warranty not published (neutral score used) |
| 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 | Redodo 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 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 | - |
| 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 2 in series, 4 in parallel |
| Build | ||
| Case size | Group 31 | Group 24 |
| Dimensions | 13 x 6.77 x 8.43 in | 10.24 x 6.61 x 8.27 in |
| Weight | 33.1 lb | 21.1 lb |
| Water resistance | IP65 | IP65 |
| Warranty | 5 years | - |
| Released | 2024-09 | 2024-11 |