Report project/suspicious activity 100% new protection board 12V 9.8Ah battery pack 12V 9800mAh 18650 lithium-ion DC12.6V super charging battery+charger Technical parameters of battery pack: 1. Rated voltage: 12V (12.6V) 2. Nameplate capacity: 9800mAh 3. Maximum charging current: 3.8A 4. Maximum discharge current: 4A 5. Discharge cut-off voltage: 8V 6. Charging cut-off voltage: 12.6V 7. Battery size: 61mm * 35mm * 35mm 8. The battery pack automatic protection system effectively protects the battery from overcharging, discharging, overcurrent, and external short circuits. Battery usage tips: When using speakers or other devices for a long time, it is necessary to remove the battery. 2. When the battery is stored with electricity for more than three months, it is best to charge the battery after storage to extend its lifespan and effectively prevent irreversible capacity degradation.