Description
Our lithium battery manufacturer offers the 12V 20Ah LiFePO4 Battery, a compact and reliable energy solution for various applications. It’s ideal for wholesale buyers and OEM customers, providing long – lasting power.
Key Features
- High Capacity: With a nominal voltage of 12.8V and 20Ah capacity, it powers a wide range of devices consistently.
- Long Cycle Life: Exceeds 4,000 cycles at 80% DoD, more cost – effective than lead – acid batteries.
- Compact and Lightweight Design: Measuring 177 x 167 x 124 mm and weighing about 2 kg, easy to transport and install.
- IP65 Rating: Protects against dust and water, suitable for outdoor and marine use.
- Customizable Options: Available for OEM/ODM projects, tailored to unique needs.
Product Description
The 12V 20Ah LiFePO4 Battery meets diverse energy demands like emergency lighting and solar systems. It has a stable 12.8V nominal voltage. The max continuous charge and discharge current is 15A for efficient power management. Built with ABS material, it works well in different environments, charging from 0¡ãC to 60¡ãC and discharging from -20¡ãC to 60¡ãC. An advanced BMS safeguards against hazards, and the self – discharge rate is about 1% per month. It has a lifespan of up to 10 years with a 3 – year warranty.
A 12V 20Ah LiFePO4 battery from Redway ESS provides reliable, lightweight, and long-lasting power by utilizing advanced lithium iron phosphate chemistry paired with an intelligent Battery Management System (BMS). Offering over 4000 deep cycles at 80% depth of discharge, efficient charging, and robust safety features, it is ideal for portable electronics, solar storage, marine, and backup power applications.
What are the key features of the 12V 20Ah LiFePO4 battery from Redway ESS?
This battery delivers a nominal voltage of 12.8V and a capacity of 20Ah, storing approximately 256Wh of energy. It supports continuous discharge currents up to 15A and peak currents up to 40A for short bursts. The battery is housed in a durable ABS casing with an IP65 rating for dust and water resistance. Weighing around 2 kg and measuring roughly 177 x 167 x 124 mm, it integrates a smart BMS providing overcharge, over-discharge, overcurrent, short circuit, and temperature protections.
How does the Battery Management System (BMS) ensure safety and longevity?
The BMS monitors cell voltages, current, temperature, and state of charge to prevent unsafe conditions such as overcharging, deep discharge, overheating, and short circuits. It balances cell voltages to maximize usable capacity and extend battery life. Advanced BMS versions offer Bluetooth or CAN bus connectivity for real-time monitoring and diagnostics.
Why is LiFePO4 chemistry ideal for lightweight and reliable batteries?
LiFePO4 chemistry offers superior thermal stability, safety, and a long cycle life often exceeding 4000 cycles at 80% depth of discharge. It maintains stable voltage output, resists thermal runaway, and has a low self-discharge rate (~3% per month). Compared to lead-acid batteries, it is lighter, more efficient, and environmentally friendly.
What are the typical applications for a 12V 20Ah LiFePO4 battery?
Ideal for portable electronics, solar energy storage, marine equipment, emergency lighting, electric scooters, and other applications requiring compact, reliable, and safe power sources.
How do charging and discharging specifications impact battery performance?
The battery uses a CC/CV charging profile with a full charge voltage around 14.6V and a discharge cut-off voltage near 10V. It supports a recommended charge current of 3A and continuous discharge current up to 15A, with peak discharge currents of 40A for short durations. The battery operates efficiently between -20°C and 60°C.
Charging and Discharging Specifications
| Specification | Typical Value |
|---|---|
| Nominal Voltage | 12.8V |
| Nominal Capacity | 20Ah |
| Nominal Energy | 256Wh |
| Continuous Discharge | 15A |
| Peak Discharge Current | 40A |
| Charge Voltage | ~14.6V |
| Cycle Life | >4000 cycles @ 80% DoD |
| Operating Temperature | Charge: 0°C to 60°C |
| Discharge: -20°C to 60°C | |
| Protection Rating | IP65 |
| Weight | ~2 kg |
How does temperature affect battery life and safety?
The battery maintains stable performance within recommended temperature ranges. Charging is optimal between 0°C and 60°C, while discharging can occur from -20°C to 60°C. The BMS protects against thermal extremes, ensuring safety and longevity.
How scalable is the 12V 20Ah LiFePO4 battery for larger systems?
Multiple batteries can be connected in series to increase voltage or in parallel to increase capacity. Redway ESS provides expert guidance to ensure proper BMS synchronization and system design for balanced charging and discharging.
What maintenance is required to maximize battery lifespan?
Minimal maintenance includes periodic terminal cleaning, proper charging, avoiding deep discharges, and monitoring battery health via BMS. Redway ESS offers firmware updates and technical support to maintain optimal performance.
How does Redway ESS support customers with their LiFePO4 batteries?
Redway ESS offers customized 12V 20Ah LiFePO4 batteries with advanced BMS, rugged design, and smart connectivity options like Bluetooth. Their expert team ensures seamless integration, reliable operation, and comprehensive after-sales service.
