One New Rechargeable FDK (Formerly Sanyo) 2150 mAh NiMH Battery
for Philips Sonicare Elite HX7800 Toothbrush

If your toothbrush loses power quickly or doesn't hold charge, it's most likely because of the dead rechargeable battery. Why spend more than $120 on a new system, including toothbrush head, handle, and charger? Bring your toothbrush to life again by replacing the dead rechargeable battery with a new one, you can save a lot of money.

The battery is a brand new FDK rechargeable 2150 mAh NiMH battery with pins, the highest capacity in this size. FDK is a premium battery manufacturer with the highest product quality. This battery is made in Japan. The pins are customized in USA.

This battery has "HR" engraved at the negative terminal for FDK NiMH battery product line and as an anti-counterfeiting measure.

The pins on this battery are customized with Sonicare circuit board. Due to the limited space in the battery compartment, these long pins are a must for trouble-free and safe insertion through the circuit board. The battery you buy comes with two pins solidly welded to both ends of the battery.

Battery is fully tested before shipping. Due to the nature of battery product, NO return is accepted after it has been installed. See return policy for details.

Battery Replacement Instruction and Toothbrush Model Reference can be found at etoothbrushbattery.com or by google "etoothbrushbattery". Access the old battery before purchase. Replacing battery requires soldering skill and we are not responsible for any damage or injuries you may incur in the repair.

Some models are known to have issue with the charging circuit not operating properly after installing a new battery. As a bonus, instruction on solving is provided with battery.