AAA battery, is a dry battery standard in the United States, compatible with the AAA battery standard of the Chinese mainland or the battery standard of Taiwan Province of China.

Since Haier chose Keyu as the first supplier of battery holder for intelligent door lock, Keyu has been chosen as the supplier of intelligent door lock of well-known brands at home and abroad, which is undoubtedly an affirmation of Keyu's products and services.

The welding process can affect the choice for coin battery holder.

Keyu have been cooperating with Vtech for many years. We supply battery holders with toys products for them.

Keyu brand 4 AA battery holder with TJC8 3P head is customized 4 AA battery holder with wire and TJC8 3P head. This battery holder is easily connected with your PCB board.

Corrosion of battery holder case pole is a frequent phenomenon. Poor quality of the battery will leak when it is kept in the battery hold case for a long time, so the pole rust in the battery hold case.