EY9L54B 18V 5.0 Ah battery

18V Cordless

The EY9L54B is Lithium Ion battery pack for the 18 volt battery system from Panasonic.

The battery has a nominal voltage of 18 volts with a capacity of 5.0 Ah. Inside the battery pack are 10 18650 Lithium Ion cells with a capacity of 2.5 Ah each.

Exterior

The battery pack is box shaped with rounded edges. The contours of the 10 cylindrical cells are visible on rounded the protrusions on the side.

The battery pack has a black plastic casing with recessed electrical contacts and ventilation slits on top.

On the sides there is the gray text "Li-ion 18v 5.0Ah LJ".

The battery is designed to slide into the bottom of a power tool from the front to back.

At the front is a gray push button that releases a latch to release the battery from the tool body.