1. Airtight structure, gelatin electrolyte, no leakage.
2. Discharge capacity is steadier,
3. Super long service life. Have a good ability adapt to circumstance.
4. Wide environmental range, it can be used well from -40 centidegree to 70 centidegree
5. Low self-discharge, it can be launched into runnig immediately after storage for 2 years.
6. Excellent performance in Deep discharge cycle.
7.High capacity. Strong receptivity on charge.
8 import safety valve, regulate pressure with accurate valve.
9. floating current is low, low heat productivity, electrolyte is in the same bed.
10. Concise design, free-maintenance