MineTom LED -1 Lot of 20 CR2032 3 Volt Lithium Button Cell Coin Battery, Specially Made for LED Light SPECIALLY MADE FOR LIGHTS: LED lights only request 190amh, if use high amh batteries like sony CR2032 batteries or other normal cr2032 batteries for led lights, the batteries will run out very fast, so we specially made this lower amh batteries to achieve long lasting for all kinds of led lights. 3 Volt. Holds power for 8 years when not in use Cell size: 2032, 4 PACK OF 5 (totals 20 pieces) Can NOT be used for electronics like car remotes or toys which require above 400amh batteries, or the batteries will run out fast. These are spare cr2032 batteries for almost all kinds of led string lights, led starry lights, led fairy lights, led copper wire lights, extra thin wire led light string, led decorative lights ect. DO NOT MIX UP with other brand batteries which is different amh and the working life span will be much different.