Maintenance - free battery and lead-acid series product
From 36AMP---->120AMP
Lead-acid: 36-200AMP

Characteristics of maintenance-free accumulater:
1. Maintenance-free
2. Strong charging receptivity
3. Gas recombination
4. High multiplying power flash over characteritic
5. Small self-discharge and long storage life
6. Wide use
7. Long service life
8. Floating charge or periodic duty
9. Small internal resistance
10. Good consistency of battery
11. Flameproof