48V 20Ah lithium battery
- Our 48V 20Ah lithium batteries work life longer than lead-acid batteries, our lithium batteries worklife is 10 years, lead-acid batteries only can work 2-3 years.
- Our 48V 20Ah lithium batteries is lighter than lead-acid batteries, our lithium batteries weight is only 1/3 of lead-acid batteries weight.
- Our 48V 20Ah lithium batteries Charging speed faster than lead-acid batteries, our 48V 20Ah lithium battery full charge around 1.5 hours, 48V 20Ah lead-acid batteries full charge around 9 hours.
48V 20Ah Lithium Battery – Lightweight 960Wh Power Solution for Mobility and Backup Systems
The 48V 20Ah lithium battery delivers 960Wh of efficient, compact energy storage—ideal for applications such as electric bikes and scooters, portable solar systems, backup power units, and light industrial equipment. Built using high-performance LiFePO₄ (Lithium Iron Phosphate) or lithium-ion chemistry, this battery offers reliable power, a long lifespan, and maintenance-free operation in a small form factor.
What Is a 48V 20Ah Lithium Battery?
This battery pairs lithium cells with a smart Battery Management System (BMS) that protects against over-voltage, over-discharge, short circuit, and thermal issues. Designed for light to medium-duty energy demands, it is a dependable, compact energy solution for mobile or remote power applications.
Key Features
Total Energy: 960Wh (48V × 20Ah) or 1.02kWh (51.2V × 20Ah for LiFePO₄)
Long Cycle Life: 2,000–6,000+ cycles depending on chemistry and usage
Smart BMS: Ensures safety with protections for voltage, current, and temperature
High Energy Efficiency: >95% round-trip efficiency
Fast Charging Support
Compact & Lightweight Design
Zero Maintenance: No acid, water refilling, or corrosion
Eco-Friendly: Non-toxic, RoHS & CE certified, recyclable
Custom Options: RS485/CAN/Modbus communication, custom casings and connectors
Typical Technical Specifications
| Parameter | Specification |
|---|---|
| Nominal Voltage | 48V or 51.2V (LiFePO₄) |
| Rated Capacity | 20Ah |
| Total Energy | 960Wh–1.02kWh |
| Charge Voltage | 54.6V–58.4V |
| Cut-off Voltage | 40V–44V |
| Max Charge Current | Up to 10A (customizable) |
| Max Discharge Current | 20A–40A (customizable) |
| Operating Temp. Range | -20°C to +60°C |
| Cycle Life | 2,000–6,000+ cycles |
| Protection Rating | IP54–IP65 (optional) |
| Weight | ~7–10kg (varies by design) |
Common Applications
Electric Bikes, Scooters, and Mobility Devices
Portable Solar Energy Kits
Telecom and IoT Backup Power
UPS and Emergency Backup Systems
Medical and Laboratory Equipment
Robotics and Light Automation
Small Marine and RV Electronics
Lithium vs. Lead-Acid: Why Lithium Wins
| Feature | Lithium 48V 20Ah | Lead-Acid Equivalent |
|---|---|---|
| Usable Capacity | Up to 100% | ~50% |
| Cycle Life | 2,000–6,000+ cycles | 300–1,000 cycles |
| Maintenance | None | Requires periodic maintenance |
| Charging Time | 2–3 hours | 6–10 hours |
| Weight & Size | Lightweight & compact | Bulkier & heavier |
| Efficiency | >95% | ~70% |
The 48V 20Ah lithium battery is a reliable, lightweight, and compact energy solution perfect for mobility, backup, and portable power systems. With long cycle life, excellent safety, and easy integration, it’s a smart choice for users seeking clean and consistent energy on the go.
Go further with lithium—compact power that performs.