Maintenance-free lead acid battery 20AH

Maintenance-free lead acid battery: No Free Acid Explosion-Proof Long Design Life High-strength ABS plastic shell

1.perfect sealing 2. excellent discharging performance 3. small self-discharge 4.no water maintenance Powerful long life per

 maintenance-free operation

2. Long service life: 8-10years design life

3. low self-discharge: lower than 3% of rated capacity per month under normal operatiing temperature

4. no memory effect after repetitious usage or discharges

5. sealed construction and leakproof

6. Safety valve regulated system

7. operates in any position

8. deep discharge recovery

9. wide operating temperature range

Maintenance-free lead acid battery 20AH