Redodo 36V 50Ah
#6 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
The Redodo 36V 50Ah rates 3.5 among 36V 24V or 36V lithium batterys; the Timeusb 24V 50Ah rates 3.4 among 24V ones. The Timeusb 24V 50Ah costs $117 less ($252.99 vs $369.99).
Timeusb 24V 50Ah
#18 in 24VFull review
The lowest-cost way into lithium for a 24V trolling motor on a small boat. Buyers who want an app should spend a little more on a Bluetooth 50Ah.
Amazon $252.99$252.99
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 | Redodo 36V 50Ah | Timeusb 24V 50Ah |
|---|---|---|
| Overall rating | 3.5/5 | 3.4/5 |
| Value 35% | 77 $0.19 per rated Wh | 76 $0.20 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 5-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) | 60 stops charging below freezing (no heater) |
Specifications
| Redodo 36V 50Ah | Timeusb 24V 50Ah | |
|---|---|---|
| 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 |
| Price per Wh | $0.19 | $0.20 |
| BMS | ||
| Continuous discharge | 50 A | 50 A |
| Peak discharge | 250 A | 250 A |
| Low-temperature charging | Charge cutoff only | Charge cutoff only |
| 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 8.5 in | 10.24 x 6.61 x 8.27 in |
| Weight | 33.1 lb | 21.2 lb |
| Water resistance | IP65 | IP65 |
| Warranty | 5 years | 5 years |
| Released | 2024-11 | 2024-10 |