🔌 Power up fast, stay charged longer, and never miss a beat!
This 4-pack of USB rechargeable 9V lithium batteries offers a robust 13500mWh capacity with stable voltage output (8.9V-9.1V). Featuring quick 1.5-hour USB charging and over 600 recharge cycles, these batteries combine convenience and longevity. Ideal for smoke detectors and a wide range of devices, they come with a micro USB cable and built-in LED charge indicators for effortless monitoring.
A**A
Convenient and quick charging
Batteries recharge directly with a USB-C charger.
G**.
Nice
Very good
J**B
Best 9-Volts Rechargeable Batteries
Love these 9 volt batteries. I use them for my TENS machine. They last at least an hour with a full charge. I suspect they would last a whole year in a smoke detector.
L**A
so far - so good
fast arrival, easy to install and works well
K**Y
work as advertised
So far all is good, work as advertised
Trustpilot
2 months ago
1 month ago
