Feature: 1. Multiple Protection: Our charger has polarity protection, output short circuit protection, over voltage protection, and over temperature protection and so on, to make your charging process safe. 2. 3 Charging Stages: This is a fully automatic charger with 3 charging stages, which you can debug and use according to the actual situation. 3. Overcharging Prevention: This charger has the ability to automatically charge the batteries to prevent overcharging. Therefore, you can connect the charger to the batteries without worrying, even if it is always connected. 4. Simple Operation: Our charger is easy to operate, just follow the normal procedure in the manual to operate successfully, very simple. 5. Applicable Scenarios: The charger is suitable for most batteries type, including calcium, gel and AGM, wet cells. Also helps to recover depleted batteries. Specification: Item Type: Battery Smart Charger Model: FBC1205D Material: ABS Use: Applicable battery types, most types of acid batteries including calcium, gel AGM, lithium iron phosphate, wet, acid, etc. Switchmode Technology: Yes Polarity Protection: Yes Output Short Circuit Protection: Yes Non Cell Link Protection: Yes Overvoltage Protection: Yes Over Temperature Protection: Yes Cooling: Fan Rated Output: 13.8V-15.5V , maximum current 5A. Battery Range: 4-100Ah . Package List: 1 x Smart Battery Charger1 x Manual Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.