1. Input voltage: AC 220V 2. Output current: DC 2A 3. Charging current: 2 (mA) 4. Suitable for all motorcycle batteries, dry batteries, water batteries, lead-acid batteries (except lithium batteries), single batteries for electric vehicles, 12V speaker batteries, etc. 5. Automatic detection of battery remaining power, real-time display of charging power percentage 6. Intelligent battery inspection, battery repair, battery maintenance, repair internal resistance after charging 7. Integrated high-density heat dissipation chip, safer to use, longer life 8. Three-stage PWM modulation technology to ensure that the battery is overcharged and not undercharged 9. 6 major safety protection systems: high temperature protection / over current protection / over charge protection / reverse connection protection / short circuit protection / voltage stabilization protection