Accurately tests state of charge within temperature extremes of -40° to 130°F (-40° to 55°C). Uses less than a 1/4oz of acid.

Includes: Unbreakable rubber tip, leak-proof container and pocket protector.

Specifications:

• 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).