【Battery Charger, Maintainer & Desulfator】An compact size portable 4 in 1 battery charger, battery maintainer, trickle charger, and battery desulfator. Perfect for all types of 6-volt and 12-volt lead-acid automotive, RV, powersport, and deep-cycle batteries, including flooded, gel, AGM, SLA, VRLA and maintenance-free batteries, suitable for cars, golf carts, motorcycles, boats, lawn mowers, marines, ATVs, UTVs etc.

POWERFUL CAR BATTERY JUMP STARTER: The ET03 car battery jump starter can easily jump-start all 12V common vehicles with up to 8.0L gas and 7.0L diesel engines in seconds with its peak current reaching 2500 amps. Supports 50 jump starts at most on a single charge and suitable for lawnmowers, motorcycles, passenger cars, trucks, and even boats, etc.

CLEANS ALL OILED K&N AIR FILTERS

Compact & Fast Inflation: Experience the speed and convenience of the R7 portable air compressor for yourself! With its powerful motor and precision start-up system, it can inflate a tire (195/65 R16) in just 1 minute (25-36PSI) and a Tesla tire (235/40 R19) in under 8 minutes (0-42PSI). Measuring only 7.67 x 5.31 x 2.95 inches, its sleek and compact design makes it effortless to store and transport, making it the perfect tool for emergencies or everyday use.