FDK OEM NiMH Replacement Battery compatible with Braun Oral-b Type 3731 or 3745 Toothbrush, with Narrow tabs (42L x 17D mm, 2150 mAh)

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FDK OEM NiMH Replacement Battery compatible with Features

• 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 multiple sizes of battery are in use for 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. 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.

About FDK OEM NiMH Replacement Battery Compatible With

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.