Feature: 1. 7 STAGE CHARGER: This is a full automatic battery charger with 7 charging stages, the applicable battery range is 6‑200Ah, which is efficient and durable. 2. SAFE OPERATION: Automatic charging prevents overcharging of the battery, allowing the battery charger to be connected to the battery indefinitely. 3. APPLICABLE BATTERY: For calcium battery, gel AGM battery, lithium iron phosphate battery and wet battery, helps to restore depleted and sulfated battery. 4. CIRCUIT PROTECTION: This battery charger has polarity protection, output short circuit, non battery link, over voltage and over temperature protection. 5. GOOD PERFORMANCE: This automatic battery charger has high sensitivity and stable performance, compact structure and convenient installation. Specification: Item Type: 7 Stage Battery Charger Model: FBC122412D Material: ABS Applicable Battery Types: Including calcium, gel AGM, lithium iron phosphate, wet battery, acid battery, etc. Basic Parameters: Switchmode Technology: Yes Polarity Protection: Yes Output Short Circuit Protection: Yes Non Battery Link Protection: Yes Overvoltage Protection: Yes Over Temperature Protection: Yes Cooling: Fan Cooling Rated Output: 12V 12A, 24V 6A Battery Range: 6-200Ah . Package List: 1 x Battery Charger 1 x User Manual