72V 20Ah LiFePo4 Battery Pack
Summary of 72V LiFePo4 Battery Pack
🔋 72V 20Ah LiFePO4 Battery Pack – Long Life, High Safety, Compact Power
The 72V 20Ah LiFePO4 Battery Pack is engineered for long-lasting performance with over 4000 charge cycles. Designed for safety, it features built-in protection against overcurrent, overcharge, over-discharge, overheating, and short circuits. Delivering a continuous 20A output (upgradeable for higher currents), this battery offers superior energy density, making it lighter and more compact than traditional lead-acid solutions. Perfect for electric scooters, e-bikes, motorcycles, solar storage, and custom applications, it is also customizable in size, voltage, capacity, OEM branding, and special functions.
LiFePo4 72V 20Ah Battery Parameter
Name: LiFePo4 72V 20Ah
Nominal Voltage: 73.6V
Nominal Capacity: 20Ah
Energy: 1472Wh
Charge Cut-off Voltage: 83.95V
Discharge Cut-off Voltage: 57.5V
Max Continuous Discharge Current: 20A (upgradeable)
Peak Discharge Current: 40A
Max Charging Current: 20A
Cycle Life: ≥4000 Cycles @80% DOD
Weight: 11kg
Size: 103*78*767 mm
Charging Temperature: 0°C to 60°C
Operating Temperature: -20°C to 60°C
✅ Key Features & Advantages
🔄 4,000+ Cycle Life
Engineered for long-term performance with minimal capacity fade.
🛡 Advanced Safety
LiFePO4 chemistry ensures low fire/explosion risk, with built-in BMS protection against:
Overcurrent
Overcharge
Overdischarge
Overheating
Short circuits
⚡ Continuous Power Output
Supports max 20A continuous working current, it can be upgraded to higher power.
✅ Comprehensive BMS Protection
Overcurrent, overcharge, over-discharge, overheating, and short-circuit safeguards.
🪶 Lightweight & Space-Saving
Higher energy density than lead-acid batteries—less weight, smaller footprint.
🛠 Customizable Design
Tailor voltage, capacity, size, and features for OEM or personal projects.
🔍 Battery Chemistry Comparison
| Attribute | LiFePO4 | Lithium-ion | Lead-Acid |
|---|---|---|---|
| Chemistry | Lithium Iron Phosphate | Lithium Cobalt Oxide / Lithium Manganese | Lead Dioxide + Sulfuric Acid |
| Energy Density | 90–160 Wh/kg | 150–250 Wh/kg | 30–50 Wh/kg |
| Weight & Size | Light & Compact | Moderate | Heavy & Bulky |
| Safety | Very Safe, Low Fire Risk | Moderate, Risk of Thermal Runaway | Safe, But May Leak Acid |
| Self-Discharge | ~2–3%/month | ~3–5%/month | ~5–15%/month |
| Operating Temperature | -20°C to 60°C | 0°C to 45°C | -20°C to 50°C |
| Cycle Life | 3000–5000+ | 500–1500 | 300–500 |
| Cost | Moderate | High | Low |
🌍 Applications
E-bikes & e-scooters
Solar storage systems
Electric motorcycles
Custom battery projects
❓ FAQ
Q1: How long will the 72V 20Ah LiFePO4 Battery Pack last?
A1: Over 4,000 charge cycles, equivalent to 8–10 years of typical use.
Q2: Can it handle higher current than 20A?
A2: Yes, it can be upgraded to support higher current outputs.
Q3: Can I use this battery for my e-bike or scooter?
A: Yes, it’s perfect for electric scooters, e-bikes, and motorcycles requiring 72V power.
Q4: Is it safe to use indoors?
A: Absolutely. LiFePO4 chemistry is extremely safe with low fire and explosion risk.
Q5: How does it compare to lead-acid?
A5: It’s lighter, lasts longer, charges faster, and requires no maintenance.
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