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The Promaster Universal Lithium Ion Battery Tester is a quick and easy way to determine the remaining power left in your lithium ion batteries. With a built in display the battery tester will let you know if the battery is above 25%, 50%, 75% or 100% of a charge.This device is does NOT work for standard AA, AAA, C, or D batteries.
|Type of batteries||Lithium-Ion|
California Customers: Proposition 65 WARNING Cancer and Reproductive Harm www.P65Warnings.ca.gov