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Maintenance free lead-acid battery


Valve controlled closed lead-acid battery


Batteries cover:protect the liquid and dust from the cover

Insurance valve:protect the gas expansion when charging.

Double poleusing the acid-pro of insulation in the edge of positively pole, every pole could afford circuit current independently.

Lead-acid using problem


The acid liquid has corrosive

Add acid liquid

Cleaning check regularly

Measuring the concentration of acid liquid

Maintenance Free/Lead-acid Battery

Valve controlled closed lead-acid battery

The study of valve-regulated sealed lead-acid storage battery used starting battery was outlined


lower maintenance

no need add acid liquid

no need measuring concentration

Maintenance free lead-acid battery(图1)