USV-Akku 12v7ah

Maintenance Free UPS battery 12V 7AhOur product is designed base on JISC standard,do not need to fill into water whenUsing, easy to use for user .We arelead-calcium alloy plateoriginal manufacturer, we cancontroll the quality and the cost for core of the battery, so we can offer customer high quality battery in attractive price.Battery Construction 1. Positive and negative plates Positive and negative plates consist of active mass and a lead-calcium alloy grid structure. 2. Retainer, adjusting plate Unwoven glass fiber cloth, with a high oxidation and heat resistance, is used to offer superior electrolyte absorption and retaining ability and satisfactory ion conductivity. 3.Safety valve The safety valve opens when there is an abnormal increase in internal pressure caused by overcharging or misusage. Gas is released from the battery to return the pressure back to normal. 4.Container and covers Container and covers are made of ABS or PP resin, with superior strength and acid resistance characteristics. The container and covers are sealed to prevent electrolyte and gas leakage. Different size and capacity UPS battery for customers' choice: