FDK OEM NiMH Replacement Battery compatible with Braun Oral-b Type 3731 or 3745 Toothbrush, with Narrow tabs (42L x 17D mm, 2150 mAh)
Product ID : 8723093
Galleon Product ID
UPC / ISBN
E Toothbrush Care
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FDK (Formerly SANYO) OEM rechargeable NiMH battery with narrow tabs. Select the size based on length and diameter of your existing battery. Caution: Check the size before purchase as Oral-b uses various sizes of battery in this model.
Narrow tabs (2mm wide) at both ends require NO tab trimming if soldering holes are clean. The negative tab is off-centered, matching the original for trouble-free and safe insertion.
Replacing battery in electric toothbrush requires soldering skill and the seller is not responsible for any damage or injuries that may incur in the process. Read battery replacement instruction to assess the difficulty involved and access the old battery before purchase. Some models are known to have issue with the battery indicator not operating properly after installing a new battery, instruction on solving it is provided.
This battery is made in Japan. The tabs are added in USA. This battery has 'HR' engraved at negative terminal.
If your toothbrush loses power quickly or doesn't hold charge, most likely the rechargeable battery is dead. Don't waste money on a new toothbrush system, including handle, brush head, and charger! Bring your old toothbrush to life again by replacing the dead battery. Battery is fully tested before shipping. Due to the nature of battery product, No return is accepted after it has been installed.