12V40ah 6-Dzm-40 E-Bike Bicycle Lead Acid Battery, Start Battery, Deep Cycle

    transparent upper cover design of color battery, visible internal quality structure, effectively improve the value of the battery 1. the use of special nano-scale colloid, can ensure the uniform distribution of electrolytes in the colloid, ensure that the battery does not leak acid; high 2. capacity, with a significant increase in specific capacity with the same level of battery ;3. superior high and low temperature resistance, greatly ensure the use of the battery in different environments ;4. have extremely strong anti-attenuation ability, effectively prolong the battery life ;5. use of new isolation plate and water supply design, convenient forever and effective maintenance ;6. good performance at low temperature, can meet the requirements of the starting current in -30 to -50ºCºC. The c. is stable at high temperature and can meet the requirement  of 65ºC temperature or higher