⭐【Multiple Protection】LDLDCHI 9 volt batteries have a built-in intelligent safety chip to effectively prevent overcharging, overcurrent, overvoltage, overheating, and short circuits. Each LDLDCHI 9v battery has been tested multiple times to ensure safe use.
⭐【3H Fast Charging】LDLDCHI rechargeable lithium 9v batteries have 500 cycles and can be fully charged in 3 hours, saving time and being more efficient.
⭐【9V Lithium Batteries】Rechargeable 4100Wh high capacity 9volt lithium batteries, no memory effect, provide a stable 9V voltage until the entire battery is exhausted.
⭐【Popular Choice】LDLDCHI 9V lithium batteries are commonly utilized in various household appliances, delivering consistent energy and extended operational duration for frequently utilized devices like multimeters, microphones, smoke detectors, electric guitars, intercoms, GPS units, home security systems, medical devices, and more.
⭐【USB-C Charging Design】LDLDCHI 9 volt lithium ion rechargeable battery has a built-in Type-C port, and the equipped 4-in-1 USB-C charging cable can charge four 9V batteries at the same time, without the need for an additional battery charger. The charging cable can be plugged into any USB power source, such as an adapter, USB plug-in, laptop, or car charger. ( Red light on when charging, green light on when fully charged. )