Features: LCD digital display voltage, current, temperature, battery capacity in real time, convenient to read. Intelligent adjustment of current and voltage, automatically stop input current  after full charged. 3 Stages charging: constant current charging, constant voltage charging, float charging. Pure copper transformer, stable output, high conversion rate, energy saving, large capacity, etc. Overcharge protection, short circuit protection, reverse connection protection. The shell is made of ABS flame retardant material, insulation, flame retardant, high temperature. Suitable for 12V, 4AH to 20AH , Lead-Acid or AGM or GEL battery. Universal for most type of car and motorcycle batteries, lead acid, agm, gel, vrla. Specifications: Material: ABS & Copper Color: Yellow Electric Plug: EU, US, AU, UK (Optional) Rated Voltage: AC 100-240V 50Hz Output Voltage: DC 13.8V Rated Power: 30W Output Current: DC2A Power Cord Length: 120cm / 47.24" Product Size: 12.5*8*4cm / 4.92*3.15*1.57in Package Size: 14*8*4cm / 5.51*3.15*1.57in Package Weight: 240g / 8.46oz Package List: 1 * Battery Charger 1 * Alligator Clamp Cable 1 * Power Cable