---
product_id: 38270134
title: "FDK OEM NiMH Replacement Battery Compatible with Selected Oral-b Type 3731 or 3745 Toothbrush, with Narrow tabs (48L x 17D mm, 2700 mAh)"
brand: "e toothbrush care"
price: "AR$2645"
currency: ARS
in_stock: false
url: https://www.desertcart.com.ar/products/38270134-fdk-oem-nimh-replacement-battery-compatible-with-selected-oral-b
store_origin: AR
region: Argentina
---

# Narrow tabs for easy install 48L x 17D mm size 2700 mAh capacity FDK OEM NiMH Replacement Battery Compatible with Selected Oral-b Type 3731 or 3745 Toothbrush, with Narrow tabs (48L x 17D mm, 2700 mAh)

**Brand:** e toothbrush care
**Price:** AR$2645
**Availability:** ❌ Out of Stock

## Summary

> 🔧 Revitalize Your Oral Care Routine!

## Quick Answers

- **What is this?** FDK OEM NiMH Replacement Battery Compatible with Selected Oral-b Type 3731 or 3745 Toothbrush, with Narrow tabs (48L x 17D mm, 2700 mAh) by e toothbrush care
- **How much does it cost?** AR$2645 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/products/38270134-fdk-oem-nimh-replacement-battery-compatible-with-selected-oral-b)

## Best For

- e toothbrush care enthusiasts

## Why This Product

- Trusted e toothbrush care brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Safety First:** Off-centered negative tab design ensures safe and trouble-free insertion.
- • **DIY with Confidence:** Comprehensive instructions provided to guide you through the battery replacement process.
- • **Power Up Your Smile:** 2700 mAh capacity ensures long-lasting performance for your Oral-B toothbrush.
- • **Soldering Made Simple:** Narrow tabs (2mm) eliminate the need for trimming, making installation a breeze.
- • **Perfect Fit, Every Time:** Precision-engineered dimensions (48L x 17D mm) guarantee compatibility with selected models.

## Overview

The FDK OEM NiMH Replacement Battery is designed specifically for selected Oral-B toothbrush models 3731 and 3745. With a robust 2700 mAh capacity and precise dimensions of 48L x 17D mm, this battery ensures optimal performance. Its narrow tabs simplify installation, while the off-centered negative tab enhances safety. Ideal for DIY enthusiasts, this battery comes with detailed instructions for a seamless replacement experience.

## Description

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.

## 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. 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.
- 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.

## Product Details

- **Brand:** E Toothbrush Care
- **Battery Cell Composition:** NiMH
- **Recommended Uses For Product:** Toothbrush
- **Unit Count:** 1.0 Count
- **Reusability:** Rechargeable

## Images

![FDK OEM NiMH Replacement Battery Compatible with Selected Oral-b Type 3731 or 3745 Toothbrush, with Narrow tabs (48L x 17D mm, 2700 mAh) - Image 1](https://m.media-amazon.com/images/I/51pjugePnDL.jpg)
![FDK OEM NiMH Replacement Battery Compatible with Selected Oral-b Type 3731 or 3745 Toothbrush, with Narrow tabs (48L x 17D mm, 2700 mAh) - Image 2](https://m.media-amazon.com/images/I/61WSUx5lAnL.jpg)
![FDK OEM NiMH Replacement Battery Compatible with Selected Oral-b Type 3731 or 3745 Toothbrush, with Narrow tabs (48L x 17D mm, 2700 mAh) - Image 3](https://m.media-amazon.com/images/I/61RUabyHKvL.jpg)
![FDK OEM NiMH Replacement Battery Compatible with Selected Oral-b Type 3731 or 3745 Toothbrush, with Narrow tabs (48L x 17D mm, 2700 mAh) - Image 4](https://m.media-amazon.com/images/I/51DRt5wgs0L.jpg)

## Available Options

This product comes in different **Size** options.

## Questions & Answers

**Q: does it fit to oral B type 3756**
A: Yes

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**Shop now:** [https://www.desertcart.com.ar/products/38270134-fdk-oem-nimh-replacement-battery-compatible-with-selected-oral-b](https://www.desertcart.com.ar/products/38270134-fdk-oem-nimh-replacement-battery-compatible-with-selected-oral-b)

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*Product available on Desertcart Argentina*
*Store origin: AR*
*Last updated: 2026-02-21*