Model Number: TE4-0230B-1 Brand Name: TN Key Specifications/Special Features: Ideal for big fleet operations and industrial use2 amp slow/trickle-intended for charging small batteries such as those commonly used in garden tractors, snowmobiles and motorcycles20 amp rapid and 55 amp boost charge-use for charging automotive, marine and deep-cycle batteriesNot intended for industrial applications140 amp engine start-provides 140 amps for cranking assist for cranking an engine with a weak or run down battery

Use the charge rate selector switch to select the charge rate or engine starting setting you require

With ammeter indicates the amount of current, measured in amps