This intelligent battery charger is widely compatible with all kinds of 12V / 24V and 6Ah-400Ah battery, including Lead-acid battery, water battery, maintenance-free battery, dry battery, GEL battery, OPZV,VRLA battery, Solar battery, and 12.6V lithium battery, etc.Note: 1. The charger is suitable only for charging compatible battery of 12V and 24V. 2. Not applicable to 18650 lithium battery. 3. Please do not block cooling fan or use the charger while cooling fan is stopped. 4. Please prevent the charger from rain or water to avoid damage.Specifications: Model: MF-3S Material: Stainless Steel Plug: UK Plug Color: Bronze Peak Power: 400W Input voltage: 250V Output voltage: 12V,24V Peak Current: 12V-20A 24V-15A Charging Cable Length: 120cm Work Temperature: -30℃ ~ +35℃ Item Size: 21 * 16 * 8.7cm / 8.26 * 6.29 * 3.42in Item Weight: 950g / 33.51oz Package Weight: 1240g / 43.73oz Package Size: 27.5 * 19.5 * 10cm / 10.82 * 7.67 * 3.93inPacking List: 1 * Charger 1 * User Manual(English)