12V 20AH Electric Vehicle Battery VRLA Lead Acid Battery M5 Terminal
Key Features
- High rate discharge performance due to tight assembly technology
- Strong heat dissipation and wide operating temperature range
- Environmentally friendly - avoids acid mist separation
- Efficient venting system automatically releases excessive gas
Technical Parameters
| Capacity (25℃) |
20hr (1.1A): ≥24.0Ah 2hr (10.0A): ≥20.0Ah |
| Polarity |
Accurate positive and negative polarity with clear signage |
| Open Circuit Voltage |
Ex-factory open-circuit voltage ≥ 13.1V |
| High Discharge Current Performance |
Discharge at 3C2A for at least 5 minutes |
| Vibration Performance |
Complies with Standard JB/T 10262-2001 |
| Safety Performance |
Complies with Standard JB/T 10262-2001 |
| Charge Mode (25℃) |
Boost Charge: 1st step 14.80±0.18V(-24mV/℃)≤12h 2nd step 13.80±0.18V(-24mV/℃)≤8h Max. Charge Current: 3.0A |
| Operation Ambient Temperature |
-15℃ to 50℃ Optimal: 5℃ to 30℃ |
| Designed Life (Cycling, 20℃) |
≥2 years |
| Warranty |
6 months |
| Cycling Life |
750 cycles |
| Discharge Capacity at Different Temperatures |
40℃: ~105% 25℃: ~100% 0℃: ~80% |
| Self-discharge Residual Capacity |
After 1 Month: ≥90% After 3 Months: ≥80% After 6 Months: ≥70% |
Applications
Widely applied in electric bicycles, electric vehicles, electric wheelchairs, electric tricycles, electric sightseeing cars, and golf carts
Product Advantages
Environment-friendly & Maintenance Free
Manufactured using pure lead calcium alloy without toxic cadmium and antimony. Uses true lean solution colloid with absolutely no acid overflow, eliminating the need for replenishment.
Long Service Life
Features high corrosion resistant alloy, patent technology of ultrafine silica sol with more than 500 square kilometers per gram surface area, and special patented superfine glass fiber separator with high porosity and wet elasticity.
Service Life Testing
Comprehensive cycle life testing according to National Standard GB/T222199-2008 for sealed lead-acid batteries used in electric mopeds, including 20A discharge/10A charge cycles and simulation usage scenarios.
Charging Modes
Constant Voltage Charging: 14.8-15.0V (2.40V/Cell) with initial charging current of 0.1CA at 25℃, suitable for fast charging. Double-segment constant voltage charging with timer, suitable for long-term intelligent charging.