EEMB 4PACK LIR2430 Rechargeable Battery 3.7V Lithium-ion Button Batteries Coin Cell for Earphone Wearable device Watch

BASIC INFO—Voltage: 3.7V; Capacity: 60mAh; Please charge the battery with EEMB dedicated charger. Packing included: LIR2430 Battery X 4. CERTIFICATIONS—Safety test by UL: IEC 62133. More than 400 EEMB batteries are UL certified. Search "MH20555" on UL for all EEMB UL certification information. WARNING—Do not overlap or mix batteries in a disorderly way. If the positive and the negative terminals touch each other, it will cause SHORT CIRCUIT or EXPLOSIONS! !!! SPECIAL NOTICE—The battery may not be suitable for some LED candles, LED lights, and other LED devices.APPLICATION—May be suitable for solar flashlight, sensor, solar welding helmet, airtag, Fob key MANUFACTURER DIRECT—Global technical support. We take pride in providing the highest levels of customer satisfaction and we have over 20 years experience in lithium