to 4.2V 10440 AAA Battery Eliminator Can Replace 3.7V 10440 Batteries for Toy Flashlight Smart Door Lock Lamp H3CA

USB to 4.2V 10440 AAA Battery Eliminator Can Replace 3.7V 10440 Batteries for Toy Flashlight Smart Door Lock Lamp H3CA
OOTDTY  

Features: 100% brand new and high quality.
No Need To Change Battery Frequently: With this 3.7V 10440 battery eliminate cable,you don\\\\\\\'t need to buy a lot of replacement batteries when the batteries run out,saving you more time and money.
Power supply from USB charger, power bank,car charger and more USB adapter,Because 3.7V 10440 battery fully charged is 4.2V,So our cable output is 4.2V.
Replace 1pc 3.7V AAA Size 10440 battery power supply cord,This eliminates the need for 1pc 3.7V 10440 batteries,can not fit for 1.5V AAA battery powered device,only for 3.7V 10440 battery powered devices.
Some mobile power bank sources have an automatic power-off function, and the output current of 90mA will automatically power off. It is recommended to use wall USB Adapter.
Suitable for Radio,electric toy, holiday LED lights,Clocks,luminara candles,Walkie talkie,Calculator,power remote controller, keyboard, Christmas advent calendar display,Walkman and more 3.7V AAA 10440 Battery power supply devices.

Specification: Color: Black
Material: Plastic
Power Cable length: 100cm/39.3inch
input: DC 5V 2A
output: DC 4.2V 1A

Package Includes: 1x 3.7V 10440 Battery Eliminate Cable

note: 1.Transition: 1cm=10mm=0.39inch
2.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.
3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!