Description Number of batteries: 6 Size: 18650 Type: Li-ion Nominal capacity: 30AH Model: 18650 Certification: CE, FCC, RoHS, UL, KC Nominal voltage: 12V Input voltage: 12.6V Output voltage: 9V-12.6V Battery capacity: 30000mAh (30Ah) Outer diameter: 67*110*18mm Protection functions: overcharge, over-discharge, over-current, short-circuit protection functions Packaging: Blue PVC Battery charging requirements: 1: Requires special lithium battery charger; constant voltage; 2: Charging voltage: 12.6V 3: Charging current: less than 2A 4: When the red light turns to green and the light is fully charged, it is equipped with a charger Battery discharge requirements: 1: Input: Output: 2 20 wires, 150mm long 2: Maximum instantaneous current: 10A 3: Maximum operating current: 5A 4: If you have other requirements for input and output, please contact the store owner. The above are the default delivery parameters. Shipping list: 1 battery plus 1 charger/one charger/one battery/2* batteries Scope of application: all 12V electrical appliances, washing equipment, electricity, xenon lamps, 12V battery replacement, instruments, loudspeakers, monitoring, electric, and various types of 12V lamps. Advantages of lithium batteries: 1. Small size, light weight, large capacity, environmentally friendly, and no memory effect. 2 is the preferred power source for portable electronic devices but please note the following points when using lithium batteries. Lithium battery knowledge: 1 Standard rechargeable lithium battery charger 12.6V must be used. 2. High current discharge is prohibited. 3. Discharge is prohibited, and the single battery voltage should not be too low. below 2.5V. 4. It is forbidden to disassemble or short-circuit the battery. It may be caused by short circuit. 5 temperature 0-60",