Best lithium trolling motor battery: match the BMS continuous rating to your motor
Updated 2026-11-10 · Pick: Vatrer 12V 100Ah Group 24 Bluetooth, 150A BMS (UL 1973): $259.99 on vatrerpower.com, $247 through this link, which opens Vatrer's checkout with the discount already applied (tested 2026-11-03): https://dealectric.com/go/vatrer-12v-100ah-group-24-bluetooth-150a
Short answer. The best lithium trolling motor battery has a BMS continuous discharge rating above your motor's max draw. The Vatrer 12V 100Ah Group 24 gives 150 A continuous, 50 A more than the 100 A of the LiTime, Redodo 100Ah and Ionic 12V 100Ah packs, and Minn Kota warns a short rating makes the BMS cut motor power.
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How this table was made: each figure comes from the maker's own US product page or manual, or from the reviewer named next to it, checked 2026-11-10. Dealectric does not test units itself. Rows with a Buy link are products Dealectric lists: the links are affiliate links, and their codes are re-tested in the brand's own cart every day (last check 2026-11-13).
| Model | BMS continuous discharge | Energy | Headroom in a 60 A bank (Garmin Force spec) | Cost per Wh | Price | Buy |
|---|---|---|---|---|---|---|
| Vatrer 12V 100Ah Group 24 Bluetooth, 150A BMS (UL 1973) | 150 A BMS | 1,280 Wh (12.8 V × 100 Ah) | +90 A | $0.203 | $259.99 on vatrerpower.com, 2026-11-07 | $247 through this link discount applied by the link; tested 2026-11-03 |
| Redodo 12V 120Ah Group 24 Trolling Motor Bluetooth | 120 A | 1,536 Wh | +60 A | $0.193 | $296.99 (maker, 2026-11-10) | |
| Redodo 12V 100Ah Lithium Trolling Motor Battery, Low-Temp Cutoff (Group 31) | 100 A BMS (Redodo 12V 100Ah series); 300 A for 5 s | 1,280 Wh (12.8 V × 100 Ah) | +40 A | $0.183 | $233.99 on redodopower.com, 2026-11-06 | Buy |
| LiTime 12V 100Ah TM (Group 31, IP65) | 100 A (500 A for 1 s) | 1,280 Wh | +40 A | $0.223 | $285.59 (maker, 2026-11-10) | |
| LiTime 12V 100Ah TM with Bluetooth | 100 A BMS (120 A for 10 s) | 1,280 Wh | +40 A | $0.236 | $302.59 (maker, 2026-11-10) | |
| Redodo 12V 50Ah Bluetooth Trolling Motor Battery | 60 A (Redodo: over 30 min) | 640 Wh | 0 A | $0.281 | $179.99 on redodopower.com, 2026-11-06 | Buy |
| Epoch 12V 105Ah Essential Series | 105 A | 1,344 Wh (12.8 V × 105 Ah) | +45 A | $0.408 | $549 (maker, 2026-11-10) | |
| Ionic 12V 100Ah Dual Purpose + Bluetooth (IC-12V100-EP) | 100 A (350 A for 3 s) | 1,280 Wh | +40 A | $0.507 | $649 (maker, 2026-11-10) |
What the differences mean
Cost per watt-hour is the price divided by rated energy (12.8 V × Ah). Headroom is the battery's continuous rating minus 60 A.
- Vatrer 12V 100Ah Group 24: $259.99 ÷ 1,280 Wh = $0.203/Wh, with 150 A continuous. That is 50 A more than the 100 A on the LiTime, Redodo 100Ah and Ionic packs (150 − 100 = 50). Charging stops below 32°F. $259.99 on vatrerpower.com, $247 through this link: https://dealectric.com/go/vatrer-12v-100ah-group-24-bluetooth-150a
- Redodo 12V 100Ah trolling: $233.99 ÷ 1,280 Wh = $0.183/Wh, the lowest here, on a 100 A BMS. Redodo rates it for 30–70 lb motors. Charging stops below 32°F and resumes above 41°F. $233.99: https://dealectric.com/go/redodo-12v-100ah-trolling-motor-low-temp
- Redodo 12V 120Ah Group 24: $296.99 ÷ 1,536 Wh = $0.193/Wh, with 20% more energy than a 100Ah pack (1,536 ÷ 1,280 = 1.2).
- Ionic 12V 100Ah: $649 ÷ 1,280 Wh = $0.507/Wh, 2.5× the Vatrer (0.507 ÷ 0.203) for 50 A less continuous current. Part of the price pays for cranking ability: Ionic sells it as a dual-purpose battery.
- Battle Born BB10012: $799 ÷ 1,280 Wh (100 Ah × 12.8 V) = $0.624/Wh, 3.1× the Vatrer. The price buys a 10-year warranty and US assembly, not more energy.
- Series banks: in a 24 V or 36 V series bank, every battery carries the full motor current. A 60 A draw therefore needs 60 A from each battery. The Redodo 12V 50Ah is rated exactly 60 A (60 − 60 = 0 A headroom). $179.99: https://dealectric.com/go/redodo-12v-50ah-bluetooth-trolling-motor-battery
| Use | Pick | Why |
|---|---|---|
| 12 V motor with heavy Spot-Lock or i-Pilot use | Vatrer 12V 100Ah Group 24 | 150 A continuous, the most headroom here |
| Lowest cost, 30–70 lb 12 V motor | Redodo 12V 100Ah trolling | $0.183/Wh |
| Longest run per charge for under $300 | Redodo 12V 120Ah Group 24 | 1,536 Wh, 120 A |
| Kayak or light jon boat | Redodo 12V 50Ah | 11.27 lb; Redodo rates it for motors up to 70 lb thrust |
| 24 V or 36 V Garmin Force | 2 or 3 of any 12 V 100Ah pick in series | Each has 40 A or more over the 60 A requirement |
Will lithium work with your trolling motor?
Brushed Minn Kota motors: 85% speed cap. Minn Kota's help center says lithium batteries hold a higher voltage for longer, which can be too powerful for motors designed for flooded lead-acid. On those brushed motors it is recommended to limit the motor speed to 85%, or Speed 8.5 or lower. Minn Kota adds that running the motor at maximum speed with lithium batteries can result in damage. It describes its QUEST motors as optimized for LiFePO4 cells. On a brushed motor you give up top speed whichever battery you buy, so pay for continuous amps and watt-hours, not brand.
Continuous discharge has to cover max draw. Minn Kota says to verify there is enough continuous amperage for the motor to pull its max amp draw. If there isn't, the battery's management system will restrict power to the motor. Minn Kota lists the symptoms as shutting off after a short run, the motor running while the prop doesn't turn, steering problems, and Spot-Lock or i-Pilot not working.
Garmin Force needs 60 A. Garmin's Force Kraken installation manual requires a 24 or 36 Vdc battery bank capable of supplying 60 A continuously, through a breaker rated for 60 A continuous. That is 2,160 W at 36 V (60 A × 36 V).
On-board chargers. Minn Kota PCL on-board chargers top out at 14.5 V, and Minn Kota tells owners to check that this matches the battery maker's charge specification.
Rated capacity holds up in testing. Techtest.org (Michael Barton) measured 102–103 Ah from LiTime's 12V 100Ah trolling-motor battery across five discharges at 10–40 A. Its BMS shut off at 10.43 V.
Not recommended
Ionic 24V 50Ah and 36V 50Ah on a Garmin Force. Ionic rates both at 50 A continuous, 10 A short of Garmin's 60 A requirement (60 − 50 = 10). Ionic also says the 36V 50Ah is parallel-only and must never be wired or charged in series. If you are paying the premium for Ionic's 11-year warranty, read the terms first. Repair is free only in years 0–5. Years 5–8 carry a $175 service charge per battery, and years 8–11 bring only a 30% discount on a replacement.
Sources
- Minn Kota: 85% speed limit for brushed motors on lithium, QUEST optimized for LiFePO4, BMS power restriction and symptoms, PCL 14.5 V max (read 2026-11-10) — minnkota-help.johnsonoutdoors.com
- Garmin Force Kraken: 24/36 Vdc bank supplying 60 A continuously, 60 A breaker (read 2026-11-10) — www8.garmin.com
- Vatrer 12V 100Ah Group 24: $259.99, 150 A BMS, UL 1973, charging stops below 32°F (read 2026-11-10) — www.vatrerpower.com
- Redodo 12V 100Ah trolling: $233.99, 30–70 lb motors, 300 A for 5 s, low-temp cutoff 32°F / resume 41°F (read 2026-11-10) — www.redodopower.com
- Redodo 12V 100Ah series: 100A BMS across models (read 2026-11-10) — www.redodopower.com
- Redodo 12V 120Ah Group 24: $296.99, 1,536 Wh, max 120 A continuous (read 2026-11-10) — www.redodopower.com
- Redodo 12V 50Ah: $179.99, 640 Wh, 11.27 lb, 60 A continuous, up to 70 lb thrust (read 2026-11-10) — www.redodopower.com
- LiTime 12V 100Ah TM: $285.59, 1,280 Wh, 100 A continuous, 500 A for 1 s, Group 31, IP65 (read 2026-11-10) — www.litime.com
- LiTime 12V 100Ah TM Bluetooth: $302.59, 100 A BMS, 120 A for 10 s, charging stops at 32°F (read 2026-11-10) — www.litime.com
- Epoch 12V 105Ah Essential: $549, 105 A continuous (read 2026-11-10) — epochbatteries.com
- Ionic 12V 100Ah $649, 1,280 Wh, 100 A continuous; 24V/36V 50Ah at 50 A; 36V 50Ah parallel-only (read 2026-11-10) — ionicbatteries.com
- Ionic warranty: free repair years 0–5, $175 per battery years 5–8, 30% discount years 8–11 (read 2026-11-10) — ionicbatteries.com
- Battle Born BB10012: $799, 10-year warranty, assembled in the USA (read 2026-11-10) — battlebornbatteries.com
- Techtest.org measured 102–103 Ah and a 10.43 V cutoff on the LiTime 12V 100Ah trolling battery (read 2026-11-10) — techtest.org
Published 2026-11-10; updated 2026-11-10. The buy links are affiliate links; see the disclosure. Corrections welcome at [email protected] or /feedback.