The TOPDON T4000 is a fully automatic car battery charger that is designed to charge and maintain 12V lead-acid batteries. It has a 4-amp charging rate and is suitable for charging a wide range of battery types including Wet, MF, AGM, GEL, and VRLA. The T4000 features a fully automatic charging process, which includes a microprocessor-controlled system that automatically adjusts the charging rate to match the battery’s condition and needs.
This charger also has multi-stage charging, which includes a bulk charge, absorption charge, and maintenance charge, to ensure the battery is charged efficiently and safely. The charger also has a built-in temperature sensor that can detect and protect the unit from extreme heat or cold temperatures. The charger also has a built-in short-circuit and reverse polarity protection to ensure safety while in use. The charger has a compact and lightweight design, making it easy to carry and store.