Our readers keep the lights on and my morning glass full of iced black tea. As an Amazon Associate, I earn from qualifying purchases.11 Best 36V Lithium Battery For Trolling Motor | Lighter, Longer

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The LiTime 36V 50Ah TM packs a class-leading energy density of 57.93 Wh/lb, meaning you get more usable watt-hours per pound than most comparable 36V packs. Weighing only 33.14 pounds, it easily replaces three Group 27 lead-acid batteries while freeing up significant deck space. Its 1920Wh capacity pairs ideally with 36V trolling motors up to 120lbs of thrust, and real-world user reports confirm over 8 hours of mixed-use fishing with charge remaining.

The built-in 50A BMS handles peak discharge of 60A for 30-minute bursts, which aligns perfectly with the sustained draw of a 112lb Minn Kota Ultrex running at high speed. The battery uses automotive-grade LiFePO4 cells and supports up to four units in parallel for a 200Ah / 7.68kWh system. Charging is efficient — users report a full recharge in roughly 3 hours with an 18A LiTime charger.

The trade-off is that this model lacks Bluetooth monitoring, so you won’t see app-based state-of-charge or cell voltages. There is also no LCD display included. For those who want a simple, drop-in replacement without the complexity of app pairing, this is a top-tier pick with a 5-year warranty. The M8 terminals mate cleanly with standard marine lugs, and the ABS housing (Group 31 dimensions) fits most battery trays without modification.

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Power Queen’s 36V50Ah battery distinguishes itself with Bluetooth 5.0 connectivity that streams real-time voltage, current, capacity (SOC), and individual cell voltages directly to a smartphone app. This lets you monitor battery health mid-day without crawling into a compartment. The effective Bluetooth range is 10 meters unobstructed, which is enough to reach the helm in most bass boats and center consoles.

Physically, the battery shares the same Group 31 dimensions (13 x 6.77 x 8.5 inches) and 33-pound weight as the LiTime, but adds an IP65 rating for resistance to water spray and dust — important on an open deck. The upgraded BMS includes low-temperature charging protection that stops charging below 0°C and resumes above 5°C, a critical feature for anglers who launch in early spring or store boats in unheated garages. The 1920Wh capacity and 50A continuous / 60A peak (30-minute) rating make it suitable for 120lb thrust motors.

User feedback is overwhelmingly positive, with reports of running a 36V Minn Kota Ulterra for full days with 32–45% battery remaining. One caution: a small number of users report Bluetooth pairing glitches, and another mentions that the battery may arrive in a deep-sleep state requiring a charging wake-up. The 5-year warranty and responsive customer support mitigate these risks, but it’s worth noting. For those who prioritize remote battery monitoring, this is a strong mid-range contender.

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With 3,840Wh of capacity and a 200A BMS that delivers a staggering 1000A peak (3–5 seconds), the CHINS 36V 100Ah battery is built for more than just trolling motors — it’s equally at home in a 36V golf cart pulling a 5kW motor. That BMS overhead means a trolling motor drawing 80A peak is nowhere near the battery’s limit, resulting in extremely stable voltage delivery and minimal thermal stress. The battery supports 200A continuous discharge and 300A for 57 seconds, which is more than enough for sustained high-draw applications.

This unit measures 20.47 x 10.59 x 8.66 inches and weighs 64.6 pounds. It comes with an included 43.8V 25A lithium charger that fully replenishes the 100Ah pack in about 4 hours from zero. The charger also has a 0V wake-up function, which is helpful if the battery has gone into low-voltage protection. For monitoring, CHINS includes a wired display and Bluetooth app that show voltage, current, and SOC — though some users note the included shunt battery meter has poor documentation.

Users report that in a 2009 EZGO golf cart, the single 100Ah battery replaced six lead-acid batteries (387 lbs total) with one 65-lb battery. For trolling motor use, it supports up to 70lb thrust motors easily, and with the 200A BMS, you could even run a higher-thrust 36V trolling motor at full speed without worrying about BMS cutoff. The 1-year manufacturer warranty is shorter than many competitors, but the overall value proposition per amp-hour is tough to beat.

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That extra 5Ah translates to roughly 15–20 more minutes of full-throttle runtime or a larger reserve at the end of an 8-hour fishing day. The upgraded 200A Intelligent BMS delivers 1000A peak for 5-second bursts, handling steep ramps and sudden load spikes without tripping.

The battery uses A-grade LiFePO4 cells with an internal resistance of only 20 milliohms, which reduces heat buildup under continuous high discharge. It includes a 43.8V 25A lithium charger and supports two monitoring modes: a Bluetooth app with 20-meter range and an integrated LCD display that shows voltage, current, and SOC. The IP65 waterproof and dustproof rating provides solid protection against marine spray.

Users report that swapping out six 6V lead-acid batteries in an EZGO TXT reclaimed 320 lbs of weight and increased top speed from 15 mph to 19 mph. For trolling motor use, the 105Ah capacity easily powers a 36V 120lb-thrust motor for a full day of spot-lock in heavy wind. The 5-year warranty adds peace of mind, though the weight of 67 lbs is slightly heavier than some 100Ah competitors.

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OGRPHY builds its 36V 100Ah battery around Grade A prismatic LiFePO4 cells with a rated lifespan of 5000+ deep cycles and a 10-year service life. The upgraded 200A BMS puts out a peak of 1000A (3–5 seconds) and holds 300A for 32 seconds, so it handles sustained high-draw loads from 70lb thrust trolling motors up to 8kW golf cart motors. The battery includes an LCD monitor and Bluetooth app, both showing real-time SOC, voltage, current, and cell balance.

The kit comes with a 38.4V 25A LiFePO4 charger that can do a full charge in about 4 hours from zero. The charger has a 0V wake-up feature to revive deeply discharged batteries. The battery itself measures 20.4 x 10.6 x 8.6 inches and weighs 63.5 pounds, fitting within the standard golf-cart battery footprint. The M8 terminals are compatible with standard marine lugs.

Real-world performance from users shows a 10-mile golf-cart trip consuming only 30% of the battery’s capacity, supporting the advertised 30-mile range for a 3kW motor. A small number of users report fitment issues on Club Car DS models that require frame modification. Customer support is responsive, with one user receiving a prompt replacement when their unit failed after 6 months. For trolling motor use, the 200A BMS headroom ensures zero voltage sag even under extended high-thrust operation.

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TEMGO’s 36V 100Ah kit is the most complete all-in-one package: you get the battery, a 42.6V 20A charger, a 2.8-inch LCD touch display, and a retention strap — no additional accessories needed. The battery uses A-grade LiFePO4 cells rated for 5000+ deep cycles at 80% DOD, with a 200A smart BMS that supports 600A for 3 seconds and a maximum power output of 7.68kW. It’s a true drop-in replacement for most 36V golf carts and low-speed utility carts.

The battery measures 20.67 x 10.59 x 8.66 inches and weighs 61.73 pounds — among the lightest in the 100Ah class. The 2.8-inch touch display attaches to the dash, giving you a live readout of battery voltage, SOC, current, and charging status without needing a phone. The Bluetooth app provides the same data within 15 meters. The battery supports up to 4 units in parallel to reach a 7.68kWh expandable system.

User reports from EZGO TXT owners indicate installation is straightforward, though some older carts with center struts require a custom tray. After conversion, owners note a dramatic reduction in weight (dropping 200+ lbs), faster acceleration, and a top speed gain of 3–5 mph. The included retention strap and wiring harness make the swap clean. The one-year manufacturer warranty is shorter than the category average, but the kit’s completeness offsets that for many buyers.

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The Enjoybot 36V 100Ah LiFePO4 battery comes with a 10-year warranty, which is the longest coverage in this comparison and signals strong confidence in its Grade-A prismatic cells. The 100A smart BMS — while less headroom than the 200A BMS units — is perfectly matched to trolling motors up to 120lb thrust (80A continuous draw), and it still delivers a 500A peak (3–5 seconds) for occasional surge loads. The Bluetooth app provides real-time voltage, current, capacity, temperature, and individual cell voltages within 5 meters.

This battery measures 20.4 x 10.6 x 8.66 inches and weighs 63.2 pounds. It supports parallel connection up to 4 units (15.36kWh total), but does not support series connection. The charging speed is rated at 25A, allowing a full recharge from empty in about 4 hours. The BMS includes six protection modes: overcharge, overdischarge, overload, short circuit, high-temperature, and low-temperature cutoff.

Users consistently praise the battery’s real-world longevity: over a year of use in an EZGO TXT cart with only occasional top-up charging, no measurable capacity loss. One user noted that the battery appeared dead but was revived by enabling the “Charge Switch” in the Bluetooth app — a design quirk that could confuse first-time users. The push-button on/off switch is a great feature to prevent parasitic drain during storage. For trolling motor use, the 100A BMS is adequate, but you lose the overhead margin that a 200A BMS provides for heavy-draw motors running at full speed continuously.

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The DC HOUSE 36V 100Ah Pro is the only model in this lineup with a fireproof, impact-resistant metal case — a meaningful advantage in marine environments where physical shock and heat are common. The 200A BMS supports 2C continuous discharge with 280A for 30 seconds and a 670A peak for 1 second, which is more than sufficient for any 36V trolling motor and also covers golf cart loads up to 5kW. The internal metal fixture secures the cells physically, preventing vibration-related damage over time.

The battery measures 20.71 x 10.55 x 9.17 inches and weighs 80 lbs — heavier than the ABS-cased alternatives due to the metal enclosure and added cell fixtures. It includes a 25A charger that recharges the 100Ah pack in 4 hours, with an 8.86-foot charging cable for flexible connection. The LCD Bluetooth monitor provides wireless data within 15 meters, and there is a one-touch power switch on the battery itself to cut output for storage and safety.

Users report installing this battery in 2005 and 2006 EZGO TXT carts with noticeable performance gains: speed increases from 20 mph to 23 mph, hill-climbing speed improves from 16 mph to 22 mph, and the cart feels significantly quicker due to the weight reduction. The metal case is noted specifically for its solid feel and improved safety under seat. The 3-year warranty is middle-of-the-pack, but the build quality and included accessories (charger, monitor, switch) make this a compelling package for those who prioritize durability over weight savings.

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The XRH 36V 100Ah battery is a premium 4-in-1 kit that ships with the battery, a 43.8V 20A quick charger, a 2.8-inch LCD touch screen, an AC power port plug, and two 78.74-inch mounting straps. The battery itself uses Grade-A cells that support a 3C discharge rate, meaning it can deliver up to 300A continuous if the BMS allowed — though the built-in 200A BMS limits to 200A continuous with 400A for 35 seconds and 600A for 3 seconds. That headroom easily covers any 36V trolling motor or golf cart motor up to 8kW.

A standout design feature is the double terminal configuration — two sets of M8 terminals on the battery. This allows you to connect the trolling motor to one set while keeping the other available for accessories like fish finders, lights, or a 12V step-down converter, without needing a separate bus bar. The LCD touch screen mounts on the dash and provides all key data (voltage, current, SOC, cell voltages) at a glance, while the Bluetooth app mirrors this data on your phone up to 15 meters away.

Real-world reports highlight exceptional runtime: one user ran a Minn Kota Quest Ulterra for 6 trips (5 hours each of trolling) and still had 54% battery remaining. Another user replaced 18 lead-acid batteries across 4 golf carts with 3 of these XRH units, saving 300+ lbs per cart. Customer service is responsive (24-hour reply). The 5-year warranty with a claimed 10-year lifespan puts this in the premium tier. The only noted drawback is the initial weight at 77 lbs — heavier than some competitors due to the robust cell packaging and double terminal hardware.

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The LOSSIGY 36V 100Ah kit pairs a 200A smart BMS with an astonishing 1000A peak current (3–5 seconds), making it one of the highest-burst-rated batteries in this comparison. While a 36V trolling motor will never draw anywhere near 1000A, the massive headroom means the BMS will never even get warm during normal 80A operation. This is the battery to choose if you also run a 36V golf cart with a high-torque controller that can surge above 600A on steep hills or under heavy load.

The battery uses auto-grade-A LiFePO4 cells and supports at least 4000 cycles. It measures the standard 20.47 x 10.59 x 8.66-inch footprint — though exact dimensions weren’t listed for this unit — and weighs approximately 64 lbs. The kit includes a charger and a monitor, making it a near turnkey conversion for any 36V system. The M8 terminals are compatible with standard marine lugs.

User feedback from golf cart owners is highly positive: a 30-minute install in an EZGO TXT yielded a top speed increase of 5 mph and the battery showed nearly full charge after two weeks of regular use. The 5-year warranty provides good coverage. While there are far fewer reviews specific to trolling motors, the electrical characteristics (200A continuous, 1000A peak) are identical to the CHINS battery, so the runtime and voltage stability should be equally excellent for marine use. The lack of Bluetooth monitoring means you won’t see cell-level data, but for those who want a simple, high-burst-capable drop-in, this is a strong premium choice.

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This second LOSSIGY entry bumps the capacity to 105Ah (4,032Wh) while retaining the same 200A BMS and 1000A peak current as the 100Ah model. The extra 5Ah provides a meaningful reserve: where a 100Ah battery might run a 36V trolling motor for 10 hours of average use, the 105Ah extends that to roughly 10.5 hours — a small but real gain for anglers who fish dawn-to-dusk without a recharge break. The BMS specifications remain identical, so runtime is purely a function of the higher energy density.

The physical dimensions are 14.6 x 10.4 x 8.7 inches, which is a significantly shorter length (14.6″) than the typical 20.5″-long 100Ah units. That shorter footprint is a major advantage for boats or carts with limited tray depth — you gain the same high capacity while fitting into many spaces that would normally require a smaller battery.

User feedback mirrors the 100Ah version: simple 30-minute installs, dramatic speed increases in golf carts, and no measurable capacity loss over weeks of use. The included charger and monitor provide a complete conversion package. The same caveat applies — no Bluetooth monitoring — but the shorter physical footprint combined with the highest capacity in this comparison makes this a unique value proposition for space-constrained installations. The 5-year warranty and grade-A cells make this a premium choice for anyone who prioritizes both peak capacity and flexible mounting.