Product Description
Charge-Check Battery Pocket Hydrometer Accurately tests state of charge within temperature extremes of -40° to 130°F (-40° to 55°C). Uses less than a 1/4 oz. of acid. Unbreakable rubber tip, leak-proof container and pocket protector. Easy To Read: 0 Balls floating = Discharged 1 Ball floating = 25% Charge 2 Balls floating = 50% Charge 3 Balls floating = 75% Charge 4 Balls floating = Full Charge Length: 5.3/4"(146mm)
