BAC06N battery charger adopts switching power supply device, and is specially designed for lead-acid battery used in engine start according to its property. The charger is suitable for long-term complement charging (floating) of lead-acid battery. The maximum output current for 12V charger is 6A; the maximum output current for 24V charger is 3A PERFORMANCE AND CHARACTERISTICS Applying switching power supply structure, wide range of AC voltage input, small volume, light weight and high efficiency; Automatic charging by selecting two-stage or three-stage charging method based on needs; two methods both are designed according to charging properties of the lead-acid battery, which can avoid overcharging and this extends the battery life to the fullest; Short circuit protection, reverse connection protection, absorption timing, and BOOST functions; LED status display: power indicator, and charging indicator; Applying horizontal installation, which is easy and simple to install. Battery Voltage: 12V/24V Max Charging Current: 6A/3A Rated Input Voltage: AC (100~277)V Max. Input Voltage Range: AC (95~305)V AC Input Frequency: (50/60)Hz Max. Input Current: 2A No-Load Power Consumption: 3W Operating Mode: Two segments Operating Temp.: (-30~+55)C Storage Temp.: (-40~ +85)C Net Weight(kg): 0.47KG Case Dimensions(mm): 136 x 86 x 49(mm) (Floating charge) Color: Black Material: ABS Package Contents: 1x Battery Charger Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.