Detailed Product Description  
Long design life: float service for 5 years!
With CE,ISO certificate!
Professional for battery about 12 years!

1. Maintenance-free: There is no need to replenish with water thanks to the unique gas recombination system which totally transforms the generated gas into water.  
2. No free acid: The special electrolyte retentive separators firmly hold the acid and thus there is no free acid inside the battery, and therefore the battery can be mounted in any position.
3. Explosion-proof: A safety valve and special filter prevent the chance of battery explosion and ensure complete safety in normal use.  
4. Long design life: float service for 5 years.