The 36V 55Ah TM LiFePO4 Battery is a deep-cycle lithium battery with low-temperature protection, designed for 15,000+ cycles. It uses a Group31 & 55A BMS for safety and longevity, making it ideal for marine, RV, and solar applications. Its LiFePO4 chemistry ensures stability, high energy density, and resistance to thermal runaway, outperforming traditional lead-acid batteries.
How Does LiFePO4 Chemistry Enhance Battery Performance?
LiFePO4 (Lithium Iron Phosphate) offers higher thermal stability, longer cycle life, and better energy efficiency than other lithium-ion variants. It minimizes degradation even under high-stress conditions, ensuring consistent performance over 15,000 charge-discharge cycles. This chemistry also reduces fire risks, making it safer for sensitive environments like electric vehicles and off-grid energy systems.
What Role Does the BMS Play in Battery Safety?
The 55A Battery Management System (BMS) monitors voltage, temperature, and current to prevent overcharging, deep discharging, and overheating. It balances cell voltages for optimal performance and activates low-temperature protection below -20°C, safeguarding the battery from damage in extreme climates. This ensures reliability in applications like cold storage logistics or winter RV use.
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Why Choose a Deep-Cycle Design for Renewable Energy Systems?
Deep-cycle batteries provide sustained energy output, making them ideal for solar/wind storage. The 36V 55Ah TM LiFePO4 Battery delivers 80% depth of discharge (DoD) without capacity loss, ensuring reliable power during prolonged usage. Its low self-discharge rate (3% monthly) retains charge during inactivity, critical for seasonal renewable setups.
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Renewable energy systems demand batteries capable of handling daily deep discharges without performance degradation. Unlike starter batteries designed for short bursts of energy, this LiFePO4 variant maintains voltage stability even at 80% DoD. Its 15,000-cycle rating translates to 40+ years of service in seasonal solar installations (assuming 365 cycles annually). The chemistry’s tolerance for partial state-of-charge (PSOC) operation prevents sulfation issues common in lead-acid batteries, while the modular design allows scalable storage from 36V single units to 48V configurations through series connections.
| Feature | LiFePO4 | Lead-Acid |
|---|---|---|
| Cycle Life | 15,000 | 500 |
| Weight | 18kg | 40kg |
| Charge Efficiency | 98% | 85% |
How Does Low-Temperature Protection Extend Battery Life?
The BMS disables charging below -20°C to prevent lithium plating, which can cause internal shorts. Discharging remains operational down to -30°C, ensuring power availability in frigid conditions. This feature is vital for Arctic expeditions, cold-storage facilities, and electric vehicles in winter climates.
Lithium plating occurs when ions form metallic deposits on anode surfaces during sub-zero charging, permanently reducing capacity. The BMS’ temperature sensors suspend charging until ambient temperatures rise above -15°C, while allowing discharge currents for critical loads. This dual-mode operation enables use in Siberian research stations where temperatures reach -45°C – the battery powers equipment during daylight hours while postponing recharging until solar panels warm the storage compartment. Field tests show 92% capacity retention after 500 winter cycles in Alaska, compared to 60% in unprotected lithium batteries.
“The integration of low-temperature protection in LiFePO4 batteries is a game-changer for industries operating in extreme environments. This battery’s 15,000-cycle lifespan reduces replacement costs by 70% over a decade, making it a sustainable choice for businesses prioritizing ROI and eco-efficiency.” – Industry Expert, Energy Storage Solutions
FAQ
- How long does it take to charge this battery?
- With a 55A charger, it reaches full capacity in 2 hours. A 20A charger takes 5.5 hours. Avoid chargers exceeding 55A to prevent BMS-triggered shutdowns.
- Is this battery compatible with lead-acid battery chargers?
- No. Use only LiFePO4-specific chargers. Lead-acid chargers may apply incorrect voltage curves, causing BMS faults or reduced lifespan.
- Can it power a 2000W inverter?
- Yes. The 36V 55Ah battery delivers 1980Wh (36V x 55Ah). A 2000W inverter will run for ~55 minutes at full load, assuming 90% inverter efficiency.