The Lithium Pros M3275-36 is a battery pack with a nominal voltage of 38.4V, as the specification block states it and a nominal capacity of 75Ah, as the specification block states it.
Last updated: 16 September 2026
Battery and charging
- Voltage
- 38.4V, as the specification block states it
- Nominal capacity
- 75Ah, as the specification block states it
- Reserve minutes, at the maker's stated motor setting
- 173 minutes at a 50% Minn Kota setting
- Stated energy
- 2,850 Whr, which their own voltage and capacity do not give
“38.4V 75Ah (2,850 Whr) 173 Reserve Minutes BCI Group GC12 size, 12.88"L x 7.13" W x 10.500" 42 lbs”
Source: lithiumpros.com/products/m3275-36-38-4v-75ah-lithium-ion-trolling-battery
“38.4V 75Ah (2,850 Whr) 173 Reserve Minutes BCI Group GC12 size, 12.88"L x 7.13" W x 10.500" 42 lbs”
Source: lithiumpros.com/products/m3275-36-38-4v-75ah-lithium-ion-trolling-battery
“38.4V 75Ah (2,850 Whr) 173 Reserve Minutes BCI Group GC12 size, 12.88"L x 7.13" W x 10.500" 42 lbs”
Source: lithiumpros.com/products/m3275-36-38-4v-75ah-lithium-ion-trolling-battery
Unconfirmed
“38.4V 75Ah (2,850 Whr) 173 Reserve Minutes BCI Group GC12 size, 12.88"L x 7.13" W x 10.500" 42 lbs”
Source: lithiumpros.com/products/m3275-36-38-4v-75ah-lithium-ion-trolling-battery
Size and fit
- Stated weight
- 42 lbs, as the specification block states it
- Group the maker sells it as
- BCI Group GC12
“38.4V 75Ah (2,850 Whr) 173 Reserve Minutes BCI Group GC12 size, 12.88"L x 7.13" W x 10.500" 42 lbs”
Source: lithiumpros.com/products/m3275-36-38-4v-75ah-lithium-ion-trolling-battery
“BCI Group GC12 size, 12.88"L x 7.13" W x 10.500"”
Source: lithiumpros.com/products/m3275-36-38-4v-75ah-lithium-ion-trolling-battery
Identity
- Distributor catalogue code
- CED Marine also list it as M75-36
“LITHIUM PROS LiFePO4 Battery, 36V/75 Ah (Trolling/Deep cycle, Grp GC12) Bluetooth | M3275-36 | M75-36 | DROP SHIP, FREE FREIGHT”
Source: cedmarine.com/product/lithium-pros-lifepo4-battery-36v-75-ah-trolling-deep-cycle-grp-gc12-bluetooth-m3275-36-m75-36-drop-ship-free-freight
Compatible chargers
Lithium Pros' own charger and Lithium Pros' own pack.
Their page for this charger says it is "purpose built for Lithium Pros 36V Lithium Ion Marine batteries", and this pack is one of their 36 volt batteries — Lithium Pros rate it at 38.4 volts, which is the same string of cells as their "36V" and both their names for it.
They name a voltage and a family rather than a model, so this row is exactly as specific as they were: it places the pack inside the description the charger gives, and does not say the two were tested together.
It connects with alligator clips rather than being wired in.
Lithium Pros publish no recharge time for this charger — the only one of their four where they do not — saying instead that its 7 amps recharge their 36 volt batteries “with ease”. Charging and discharging are different questions: this is 7 amps going in, and Lithium Pros publish no discharge current for any of their packs, so nothing here says what the pack delivers.
This page goes further on this family than the other three do: it opens "This is the standard Shore Charger for the 36V M-series marine batteries", and this is an M-series pack. The charger may not go in the boat. Lithium Pros state it "is make for dry location/shore use and does not mount in the boat" — their wording — so this pairing works at the dock and not underway. Lithium Pros put the recharge time at two and a half hours on their own 36 volt marine packs, and qualify it themselves: actual time varies by application and by how much energy was used. Charging and discharging are different questions: this is 18 amps going in, and Lithium Pros publish no discharge current for any of their packs, so nothing here says what the pack delivers.
Devices whose figures this pack does not meet
Neither maker names the other. These devices publish a draw this pack’s own maker does not rate it to deliver continuously. That is a comparison of two documents and not a manufacturer’s refusal — check both against your own equipment before deciding anything.
- Minn Kota Terrova 112 lb (60" shaft, CHIRP sonar, wireless remote)Figures compared — they do not meetView device: Minn Kota Terrova 112 lb (60" shaft, CHIRP sonar, wireless remote) →
Minn Kota ask for “at least a 105 amp-hour rating”, in a paragraph about lead-acid: “The motor will operate with any lead acid, deep cycle marine 12-volt battery/batteries. For best results, use a deep cycle, marine battery with at least a 105 amp-hour rating.” This pack is LiFePO4. For a lithium pack the same maker's thrust-to-capacity table names a different figure for this motor: “112 lb Lithium 125–150Ah 1.5–2.5 hours Heavy-duty” Those are two of Minn Kota's own numbers for two different chemistries, and an amp-hour rating does not carry from one to the other, so they are set out here rather than compared. This pack is rated 75 Ah.
Source: johnsonoutdoors.widen.net/content/zp8zgjh29h/pdf/Terrova-BT-Installation-2327132rj.pdf
Source: minnkota.johnsonoutdoors.com/us/blog/selecting-best-trolling-motor-battery
Sources
- Lithium Pros — M3275-36Manufacturer battery page
Lithium Pros
Source: lithiumpros.com/products/m3275-36-38-4v-75ah-lithium-ion-trolling-battery
Retrieved September 15, 2026
- Lithium Pros 1006 36V 7A chargerManufacturer model page
Source: lithiumpros.com/products/1006-36v-7a-lithium-ion-battery-charger
Retrieved September 16, 2026
- Lithium Pros 1016A 36V 18A chargerManufacturer model page
Source: lithiumpros.com/products/lithium-pros-1016-16v25a-battery-charger-with-lcd-display
Retrieved September 16, 2026
- LITHIUM PROS LiFePO4 Battery, 36V/75 Ah (Trolling/Deep cycle, Grp GC12) Bluetooth | M3275-36 | M75-36 | DROP SHIP, FREE FREIGHT - CED MarineArchived document
Source: cedmarine.com/product/lithium-pros-lifepo4-battery-36v-75-ah-trolling-deep-cycle-grp-gc12-bluetooth-m3275-36-m75-36-drop-ship-free-freight
Retrieved September 15, 2026