Characteristics of lead-acid batteries, temperature adaptability: -30 ℃ ~ 50 ℃ safety, safely use; sealing: the battery compartment cover, double sealing design to prevent leakage of acid and reliable security the valve prevents outside air and dust into the inside of the battery; 3, safe and reliable: no acid overflow reliable safety valve is automatically closed, explosion-proof equipment device more secure and reliable throughout the process of using the battery; 4, maintenance-free: water regeneration ability, sealing reaction efficiency, and therefore do not need the replenishment or add acid the entire battery use process maintenance;, long-life design: computer refined design lead corrosion of lead-calcium alloy grid, ABS, the use of corrosion-resistant materials and high sealing efficiency of the reaction to ensure the long life of the battery;, high performance: 1) good recovery performance, deep discharge or charger failure, short circuit placed on 30 days, equalizing charge can still be used to restore the capacity; 2) weight high specific energy, small internal resistance, high output power; 3) due to the resistance of individual cells, capacity, consistency float voltage, so the battery in the float the use of state without equalizing charge. 4) The charge-discharge performance, self-discharge control in a month less than 2% (20 ° C); affordable: Burke battery high performance, long service life, low maintenance costs to ensure that users get It is the most affordable product. 8, use and transport safety is simple: Man charged the factory, no free electrolyte, the battery can be placed horizontally, and can be non-hazardous materials, water, and land transportation;