BASIC INFOVoltage 37V Capacity 45mAh Weight approximate 26g Diameter 20mm Height 32mm Please charge the battery with EEMB dedicated charger Packing included LIR2032 Battery X 4 Charger x 1 Note The product packaging may be different in each batch CERTIFICATIONSSafety test by UL IEC 62133 More than 400 EEMB batteries are UL certified Search MH20555 on UL for all EEMB UL certification information WARNINGDo 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 Please keep out of reach of children Do NOT SWALLOW STORAGEKeep the cells in a 4060 charged state during a long period of unused period We recommend charging the battery every three months upon receipt to maintain the voltage Store the battery in a cool and dry place SPECIAL NOTICEThe battery may not be suitable for some LED candles APPLICATIONMay be suitable for solar flashlight sensor solar welding helmet airtag Fob key calorie counters stopwatches and other electronic products QUALITY SERVICEGlobal technical support We take pride in providing the highest levels of customer satisfaction and we have over 20 years experience in lithium battery business If you have any questions or concerns regarding our products please send us a message and we will get back to you within 24 hours