Powerful Lithium Batteries: Taken 9V batteries without memory effect suitable for high drain devices, such as smoke detector, electric Guitar, microphone, toys, GPS, home security devices, medical devices etc.
Stabilized Voltage: Newly upgraded stabilized 9 volt rechargeable battery provides a technological upgrade so that electronic music devices will not be noisy.
2000+ Cycles Times: high capacity rechargeable 9v rechargeable batteries use grade A+ cells ensure longer battery life and fast charging, Up to 2000+ cycle times.
USB Rechargeable Batteries: Built in type c charging port and adopt advanced charging technology, No need to use additional chargers. when you charge for the 9v lithium battery, LED indicator will tell you the status of battery. (Red means it is charging, green means the battery is full.)
Worry-Free Warranty: 30 Day Full Refund Guarantee and 18 Months Warranty. (If you have any questions about the batteries 9v, please feel free to Contact us. )