The 5 Best 36V LiFePO4 Batteries of 2025 — Long-Lasting, Safe, and High-Performance

Choosing the right 36V LiFePO4 battery can make or break our setups, whether we’re powering a golf cart, trolling motor, or off‑grid system. We want safe chemistry, real capacity, robust BMS protection, and smart features like Bluetooth or LCD monitoring. We’ve narrowed the field to five standout options that balance longevity, charging speed, and peak current. Let’s compare what truly matters—and which packs justify the investment when performance and lifespan are on the line.

Key Takeaways

• TEMGO S36100-1: 36V 100Ah with 200A BMS, 7.68 kW output, LCD/Bluetooth monitoring, 5000+ cycles, includes 42.6V 20A charger.
• LiTime 36V 50Ah TM: Group 31 form factor, 50A BMS with Bluetooth 5.0, 4000+ cycles, parallel to 200Ah, not for engine starting.
• DC HOUSE 36V 100Ah Pro: Metal case, 200A BMS (670A peak), supports up to 5 kW motors, Bluetooth and wireless LCD, 25A charger included.
• 36V 105Ah Bluetooth Pack: 200A BMS, IP65, LCD/Bluetooth, 1000A bursts, 6000+ cycles, includes 43.8V 25A charger, ~30–40 mile range.
• 36V 100Ah with 200A BMS: 3.84 kWh, 1000A peak, LCD/app telemetry, 38.4V 25A charger with 0V wake-up, strong headroom for hills and acceleration.

36V 100Ah LiFePO4 Golf Cart Battery Upgrade Kit with Charger & App

If you want a turnkey 36V swap that delivers real power and smart monitoring, the TEMGO S36100-1 (36V 100Ah) kit is our pick. We get a 38.4V LiFePO4 pack, a 42.6V 20A charger, a 2.8-inch LCD, and a Bluetooth 200A BMS in one box. It pushes 7.68kW, 200A continuous, and 600A for 3 seconds—perfect for take-off and hills. At 61.7 lb, it’s lighter than lead-acid and lasts 5000+ cycles at 80% DOD. Installation’s straightforward, fits most 36V trays with minor tweaks, and the app/LCD keep us informed. Parallel up to four for 15.36kWh. Backed by a 30-day return.

Best For: Golf cart owners and off‑grid users who want a turnkey 36V LiFePO4 upgrade with high power, long life, and real-time monitoring via LCD and Bluetooth app.

Pros:

• Strong performance: 7.68kW output with 200A continuous and 600A 3‑sec peak for fast take-off and hill climbs
• Long lifespan and low maintenance: 5000+ cycles at 80% DOD; lighter 61.7 lb package reduces weight vs lead-acid
• Smart monitoring and protection: 2.8″ LCD, Bluetooth 200A BMS, and included 42.6V 20A charger; expandable up to 4 in parallel (15.36kWh)

Cons:

• May require minor tray/mounting adjustments and careful wire management during installation
• Higher upfront cost than multiple lead-acid batteries despite better long-term value
• 36V specific—users with 48V systems need a different model or configuration

LiTime 36V 50Ah LiFePO4 Trolling Motor Battery with Bluetooth and 50A BMS

Looking for a purpose-built 36V pack that simplifies your trolling motor setup? We like LiTime’s 36V 50Ah TM Bluetooth LiFePO4: a Group 31 deep cycle with a 50A BMS, automotive-grade cells, and ABYC/ASA-aligned design. It’s built for trolling motors up to 120 lb thrust (not for starting), delivers 4000+ cycles and up to 10 years, and hits 57.93 Wh/lb—about 10.85% higher than typical 12V 100Ah TM setups.

Bluetooth 5.0 adds auto-connect, real-time monitoring, smart discharge, and remote power down. Protections cover temp, short, voltage, and current. Parallel up to 4 (36V 200Ah/7.68 kWh). Users praise lighter weight, efficient charging, two-day runs, and solid support (5-year service).

Best For: Boaters who want a purpose-built 36V LiFePO4 pack to simplify trolling motor setups (up to 120 lb thrust) with long life, Bluetooth monitoring, and lighter weight than multi-battery arrays.

Pros:

• Purpose-built 36V Group 31 pack simplifies wiring vs. three 12V batteries; higher energy density (57.93 Wh/lb).
• Robust performance: 4000+ cycles, up to 10-year lifespan, 50A BMS with 60A for 30 minutes, ABYC/ASA-aligned design.
• Bluetooth 5.0 app for real-time monitoring, smart discharge, system checks, and remote power down; parallel up to 4 (36V 200Ah/7.68 kWh).

Cons:

• Not suitable for engine starting; dedicated to deep-cycle trolling/energy storage use only.
• 50A BMS may limit very high-draw accessories; check motor/controller current requirements.
• After full shutdown, requires a charger to wake/restart; cold-weather charging limited by low-temp protection.

DC HOUSE 36V 100Ah LiFePO4 Golf Cart Battery with Charger, Bluetooth & LCD Monitor

Serious golf cart owners who want plug‑and‑play power with real‑time visibility will appreciate DC HOUSE’s 36V 100Ah Pro Metal Case pack. We’re talking 3.84 kWh with a 200A BMS (280A/30s, 670A/1s peak) that supports motors up to 5 kW and delivers roughly 30–40 miles or 5–7 rounds per charge. Installation’s simple: one 80 lb unit with M8 terminals replaces multiple lead‑acid packs. The fireproof, impact‑resistant metal case, pressure relief valve, and one‑touch power switch boost safety. We like the Bluetooth app and wireless LCD monitor for SOC, voltage, and current up to 20 meters. The 25A charger fills it in ~4 hours.

Best For: Golf cart owners seeking a plug-and-play 36V LiFePO4 upgrade with strong power, long range, fast charging, and real-time Bluetooth/LCD monitoring in a durable metal case.

Pros:

• High-power 200A BMS (280A/30s, 670A/1s peak) supports motors up to 5 kW with 30–40 miles per charge (3.84 kWh).
• Simple single-battery install (M8 terminals) replaces multiple lead-acid packs; lighter and longer-lasting Grade A cells.
• Robust safety and visibility: fireproof, impact-resistant metal case, one-touch power switch, pressure relief valve, Bluetooth app and wireless LCD monitor.

Cons:

• 80 lb weight may still be heavy for solo installation compared to multi-pack modular options.
• Battery and charger may arrive in separate shipments; wired monitor sold separately despite reserved port.
• 25A charger limits charge speed to about 4 hours; faster chargers not included.

36V 105Ah LiFePO4 Battery with Bluetooth BMS and Charger

Need a 36V pack that powers a 5 kW golf cart with confidence and tells you exactly what’s happening inside? We like this 36V 105Ah LiFePO4 with a built‑in Bluetooth 200A BMS, LCD, and an included 43.8V 25A charger. It’s 60% lighter than lead‑acid, weighs 67 lbs, holds 3.84 kWh, and delivers 1000A bursts for 5 seconds. Expect 30–40 miles of range with quicker acceleration and better hill climbs.

Safety’s covered: IP65, over/under‑voltage, overcurrent, short‑circuit, and temp protections with low‑temp cutoffs. A‑grade cells, 6000+ cycles, relay BMS, and universal fit. Specs: 10.51″ D x 20.47″ W x 8.66″ H. Support: 5‑year after‑sales, 30‑day returns, 24/7 tech.

Best For: Golf cart owners and high‑draw users who want a lightweight, long‑range 36V LiFePO4 pack with real‑time Bluetooth monitoring, robust 200A BMS protection, and an included fast charger.

Pros:

• High power and range: 3.84 kWh capacity, supports up to 5 kW motors, 1000A 5‑second bursts, and about 30–40 miles per charge
• Smart and safe: Built‑in Bluetooth 200A relay BMS with LCD, IP65 rating, and comprehensive protections including low‑temperature cutoffs
• Long life and lighter weight: 6000+ cycles, A‑grade cells, ~60% lighter than lead‑acid (67 lbs), universal fit for carts and more

Cons:

• Single 36V pack may not suit users needing modular expansion or series flexibility
• Low‑temperature cutoffs halt charging below 0°C/32°F and discharging below −20°C/4°F, limiting cold‑weather use
• Dimensions may require checking tray clearance (10.51″ D x 20.47″ W x 8.66″ H) and cabling for some cart models

36V 100Ah LiFePO4 Battery with 200A BMS and Charger

Power-hungry golf cart owners and boaters who want long pulls without voltage sag will appreciate this 36V 100Ah LiFePO4 pack’s upgraded 200A BMS and included 25A onboard charger. We’re getting 3.84 kWh of Grade A LiFePO4 cells, rated for 10 years and 5000+ deep cycles. The BMS delivers 200A continuous, 1000A peaks for 3–5 seconds, plus 300A and 600A bursts up to 32 seconds—ideal for hill climbs and hole shots. Expect around 30 miles with a 3 kW golf motor from our tests. Safety features cover voltage, current, short circuit, and temperature. Bluetooth/app and LCD provide full telemetry. The onboard 38.4V 25A charger includes 0V wake-up and mounts cleanly.

Best For: Golf cart owners, boaters, and off-grid users who need long range and strong bursts without voltage sag, plus built-in monitoring and an included onboard charger.

Pros:

• High power headroom: 200A continuous with 1000A peak (3–5s) and 300A/600A bursts (32s) for climbs and acceleration
• Long life Grade A LiFePO4 cells: 3.84 kWh capacity, 10-year lifespan, 5000+ deep cycles; tested ~30-mile range with 3 kW golf motor
• Full monitoring and charging solution included: Bluetooth/app and LCD telemetry plus a 38.4V 25A onboard charger with 0V wake-up

Cons:

• Higher upfront cost versus smaller-capacity or lower-BMS alternatives
• 25A charger, while convenient onboard, may result in longer charge times for 100Ah pack
• Physical size/weight and installation (mounting charger, wiring for 200A loads) may be challenging in tight compartments

Factors to Consider When Choosing 36V LiFePO4 Batteries

Before we pick a 36V LiFePO4 battery, let’s match voltage and capacity to our load and runtime needs, then check BMS ratings for continuous and peak current protection. We’ll weigh cycle life against weight and size to ensure the pack fits our space without sacrificing longevity. Finally, we’ll confirm charging compatibility—charger voltage, current, and profiles—to protect performance and warranty.

Voltage and Capacity

Curious how voltage and capacity shape real-world performance? With 36V LiFePO4 packs, we’re targeting a nominal 36V, but you’ll actually see about 29.0–38.4V during operation. That range matters: devices expecting 36V must tolerate both the low end under load and the high end at full charge.

Capacity, rated in ampere-hours, defines energy. A 50–105Ah pack delivers roughly 1.8–3.8 kWh; a 100Ah pack provides about 3.84 kWh (36V × 100Ah). Higher Ah means longer runtime for the same load.

If we need more energy, we can place multiple 36V packs in parallel to scale capacity, as long as the system is designed for it. Finally, remember usable capacity depends on depth of discharge. LiFePO4 chemistry typically supports ~80–90% DOD while preserving long cycle life.

BMS Ratings

How do we match a battery’s BMS to our real-world loads? We start with the continuous rating. A 36V LiFePO4 labeled 50A, 60A, or 200A tells us the maximum current it can sustain without overheating or harming cells. If our motor or inverter draws 70A continuously, a 60A BMS is undersized; a 200A model adds headroom and cooler operation.

Peak current matters for bursts. A 1000A peak helps with hard launches or steep hills, but only for seconds, then the BMS enforces lower continuous limits to protect longevity and safety.

We also want built‑in protections: overcharge, over‑discharge, short‑circuit, and temperature. Bluetooth or an LCD lets us watch voltage, current, and SOC in real time. Planning parallels? Higher continuous ratings ease current sharing across multiple packs.

Cycle Life

Cycle life is the quiet ROI of a 36V LiFePO4 pack, and we should weigh it as heavily as capacity or BMS amps. Most top packs deliver 4000–5000 deep cycles at about 80% depth of discharge, translating to a decade or more of regular use. That’s far beyond lead-acid, which typically fades much sooner.

To maximize longevity, we should size for shallower routine discharge. Running 80% DOD or less usually preserves more cycles and keeps capacity steadier across years. We’ll also want Grade A cells and a robust BMS that enforces voltage, current, and temperature limits; those protections prevent the stress that shortens life.

Peak discharge specs—often 3–5 seconds—are useful for bursts, but cycle life reflects sustained, normal-use durability.

Weight and Size

Weight and footprint matter because they dictate where and how we can mount a 36V pack, and what it does to balance. Most 100Ah LiFePO4 options land around 60–80 pounds, so we should plan brackets and lift points accordingly. Dimensions vary widely—roughly 10–21 inches long, 8–10 inches high, and 5–10 inches wide—so we’ll measure trays and cable clearances before buying.

If we prioritize ruggedness, a metal or rigid case adds weight but improves durability and mounting stability versus plastic. Compact packaging helps keep mass down, and higher Ah ratings don’t always add much weight when designers use lightweight casings.

When we parallel modules, weight scales directly. We’ll distribute packs low and centered to protect handling, and verify mounting surfaces can bear cumulative loads.

Charging Compatibility

Now that we’ve sized and placed the pack, we need to make sure it charges correctly with our setup. First, we’ll match the charger’s output to LiFePO4 specs: a 36V nominal pack typically wants about 40–42V at the terminals, depending on the BMS. Next, we’ll verify the onboard charger’s current—25A to 50A is common—so it fits our cart’s port and meets our target recharge time without stressing wiring.

We’ll confirm the BMS supports our system’s maximum continuous and peak current, so acceleration or hill climbs aren’t throttled. For reliability, we’ll look for 0V wake-up and compatible cables/sockets to recover from deep sleep. Finally, we’ll check charging protections—overcharge, short-circuit, and temperature—and ensure smooth integration with solar or other off-grid charge controllers.

Monitoring Features

How do we keep a 36V LiFePO4 pack honest day to day? We prioritize a robust BMS and clear visibility. A 200A BMS with Bluetooth lets us watch voltage, current, state of charge, and temperature in real time, so we spot issues before they escalate. Auto-connection means we can check status without cables, even mid-ride or dockside.

We also want on-device feedback. An LCD or dedicated monitor shows SOC, voltage, current, and health metrics at a glance, complementing the app when phones aren’t handy. Protection matters, too: low-temperature cutoff guards cold starts, while under/over-voltage safeguards prevent overcharging and deep discharge.

Finally, a high-current BMS supports strong take-offs and hill climbs, and it enables safe parallel setups when we need more capacity.

Conclusion

Choosing the right 36V LiFePO4 battery comes down to how we use power daily. The top five we’ve highlighted deliver long life, safe performance, and dependable output with robust BMS protection, smart monitoring, and fast charging. Whether we’re upgrading a golf cart, powering a trolling motor, or building an off-grid system, these options offer excellent value and scalability. Let’s match capacity, BMS amperage, and features to our needs—and enjoy reliable energy for years to come.