🔌 TOPDON TORNADO4000 4-Amp Fully-Automatic Car Battery Charger, 6V/12V Battery Charging Units & Maintainer with Advanced 10-Steps Charging and 8 Charging Modes, Ideal for Various Battery Types Review

【6V&12V CAR BATTERY CHARGER】: TOPDON T4A (TORNADO4000) servers as a smart battery charger for 6V/12V lead-acid and 12V lithium-acid batteries up to 150 amp-hours, with twice the charging speed, 10 charging steps, 8 charging modes, light weightiness, portability, ease of use, compact design and other extraordinary features, proving itself to be highly safe and reliable for charging, repairing, maintaining various batteries. 【FULLY AUTOMATIC 10-STEP CHARGING】: With sophisticated 10-step charging, TORNADO4000 can diagnose and charge a battery only up to its need, avoiding any possibility of incorrectly charging your batteries. Once correctly connected, TORNADO4000 will manage your battery's health on its own, including battery diagnosis, desulfation, battery bulk charge, absorption mode, float charge. 【MULTIPLE PROTECTION SAFE TO USE】 : Built-in circuit protection guards against reverse polarity, sparks, overcharging, over-current, open-circuits, short-circuits and overheating. Premium copper clamps are built with user safety in mind through spark-free operation and reverse polarity protection. This charger offers vehicle electrical safety through exceptionally clean voltage and current delivery, meaning no surges or spikes. No need to disconnect the battery from your vehicle when charging. 【ALL-IN-ONE CHARGER 】: Not just a battery charger! It’s also an advanced battery maintainer, trickle charger, and battery desulfator. This battery charger can automatically detect battery sulfation and acid stratification to restore lost battery performance for stronger engine starts and extended battery life. 【WIDE RANGE OF APPLICATIONS】: TORNADO4000 10-stage chargers are suitable for most battery types including Calcium, Gel and AGM, Wet batteries. They may also help restore drained and sulphated batteries. For Car, Truck, Motorcycle, Lawn Mower, Boat, RV, SUV, ATV and More.