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USB Rechargeable 9V Lithium Batteries 4 Pack, 4100mWh Long Lasting 9 Volt Size Batteries, High Capacity Li-ion Battery, for Smoke Alarms, Wireless Microphones, Guitar, Toys

Product Features

  • 9V Constant VoltageThe insziii lithium-ion battery has a capacity of up to 4100mWh with a constant 9V voltage providing stable power and longer operating time for devices used at high frequencies, such as smoke detector, wireless microphones, toys, flashlights, home security devices, medical devices, etc.
  • USB-C Charge DesignThese 9V lithium batteries are easily charged with a 4-in-1 USB-C cable, eliminating the need for a charger and adapter, and can be fully charged in approximately 2.5 hours. Built-in LED shows the charging process, with a red light indicating charging and a green light indicating full charge.
  • Over 600 CyclesThe rechargeable 9V lithium-ion battery has 600 cycles, no memory effect, can be charged at any time, will help you save big money and save time compared with single-use batteries, which are very convenient and reliable.
  • Multiple Safety ProtectionBuilt-in integrated safety circuit to ensure safe operation. When the battery is fully charged, it will automatically stop charging, effectively preventing overcharging, overcurrent, overvoltage, overheating, and short circuit.
  • Energy-Saving BatteryLoving the environment starts with rechargeable Li-ion 9V batteries, which save thousands of alkaline batteries and reduce landfill waste.

USB Rechargeable 9V Batteries 4 Pack, Long Lasting Li-ion for Smoke Alarms

$135.00Price
Quantity
✔ IN STOCK - Leaves warehouse within 2 - 3 business days
Enter 5POWER at checkout for 5% OFF & Free Shipping 
FREE Delivery between March 21 & March 24, 2026
by AUSTRALIA POST
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