Gardner Berry Sperry Dual Check Meter GFI Tester CARRY-HOME the charger has protective electronics

the charger has protective electronics that automatically shut down the charge to prevent excessive discharge of the vehicle battery

and is freeze/thaw stable

there is simply no substitute

The hands-free locking mechanism closes the tongs for quick and easy use and compact storage

Gardner Berry Sperry Dual Check Meter GFI Tester CARRY-HOME the charger has protective electronicsDual Check dual ended tester combines two common testers into one. Features a GFCI (ground fault current interrupter) outlet tester on one end and a 50 1000V AC non contact voltage tester on the other. Provides an accurate analysis of any 120 volt receptacle. Non contact voltage tester detects 50 1000V AC and features a bright 360 degree LED (light emitting diode) visual indicator along with an audible beeping indicator of the presence of voltage.