1. The LCD battery charger has fully automatic high-frequency charging and provides three-stage charging, which can automatically switch from quick charge to full charge and then charge again. The battery charger has multiple safety protections to ensure safe use. It has over voltage protection, over temperature protection, overload protection, short circuit protection, reverse connection protection, over current protection and low current protection. 2. Suitable for battery types: suitable for most battery types, including gel batteries, AGM batteries and wet batteries. Safe and non-toxic, harmless to human body 100% brand new high quality 100% brand new high quality 3. LCD display shows charging status and battery status; charging voltage, charging current, indoor temperature, full battery, summer mode, winter mode, etc. 4. Low noise and heat dissipation: The silent design cooling fan works with the aluminum radiator, which greatly extends the life of the charger. Specification:Size: 158.56cmWeight: 0.38kgInput voltage: 100-240VAC, 50-60HzInput current: 0.5ACharge current: 5000 (mA)Battery type: all types of 12VBattery range: 4Ah-100AhSwitch mode technology: YesPolarity protection: yesOutput short circuit protection: yesLink protection without battery: YesOvervoltage protection: yesOverheat protection: yesRated output: 12V DC, maximum 5-6A.Minimum starting voltage: 8.0 VBattery range: 4-100AhThermal protection: 65C +/- 5C Package include:1 * Instruction1 * LCD battery charger