General description This 400W 30A Automatic Car Battery Charger is a smart pulse repair device designed for 12V and 24V lead-acid batteries. It features an automatic intelligent charging system suitable for GEL, SLA, and WET batteries. The charger stops automatically when the battery is fully charged, ensuring safe and efficient operation. Technical specifications Rated power: 400W Voltage range: 130V - 250V Working voltage: DC 12-24V Working efficiency: 98% Product weight: 0.8 kg Working temperature: -30°C to +50°C Charging modes: pre-charge, constant current, constant voltage, trickle Compatibility and accessories Compatible with 12V and 24V sealed lead-acid batteries Package includes: 1 x Pulse Repairer, 2 x Clips, 1 x English Manual Usage This charger is ideal for maintaining fully depleted batteries in various applications, including lawn mowers, boats, cars, and electric vehicles. It is particularly useful in cold weather or when a vehicle is parked for an extended period