CT-ENERGY Lithium Coin Button Cells Battery Charger with 4 Pack 3.6V Rechargeable Lir2032 Batteries Replace 3V CR2032 Battery

Lithium Coin Batteries Charger Input: 5V DC/1A(max) Output voltage/Current: 4.2V DC,20mA/40mA LED indicate: Blue =Fully charged or No battery Red = charging 4 packs of rechargeable coin batteries can be charged at the same time! It CAN NOT charge non-rechargeable batteries!     LIR2032 Li-ion Button Battery Size: D20 x H3.2 mm Voltage: 3.60V Capacity: 40±5mAh Cycle life: more than 500 times Packaging 1pc x Lithium Coin Batteries Charger 1pc x USB Charging Cable 4pcs × LIR2032 Rechargeable Batteries Warranty 1 years warranty for the charger and LIR2032 batteries.