---
product_id: 595221251
title: "Synergy DigitalCordless Phone Batteries, Compatible with Uniden DCT648-3 Cordless Phone, (Ni-MH, 3.6V, 750 mAh), Replacement for Uniden BT-446 Battery, combo-pack includes: 3 x SDCP-H328 Batteries"
brand: "synergy digital"
price: "¥17743"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/595221251-synergy-digitalcordless-phone-batteries-compatible-with-uniden-dct648-3-cordless
store_origin: JP
region: Japan
---

# 3.6V Power 3-Year Warranty Ni-MH, 750 mAh Synergy DigitalCordless Phone Batteries, Compatible with Uniden DCT648-3 Cordless Phone, (Ni-MH, 3.6V, 750 mAh), Replacement for Uniden BT-446 Battery, combo-pack includes: 3 x SDCP-H328 Batteries

**Brand:** synergy digital
**Price:** ¥17743
**Availability:** ✅ In Stock

## Summary

> Stay Connected, Stay Charged! 🔌

## Quick Answers

- **What is this?** Synergy DigitalCordless Phone Batteries, Compatible with Uniden DCT648-3 Cordless Phone, (Ni-MH, 3.6V, 750 mAh), Replacement for Uniden BT-446 Battery, combo-pack includes: 3 x SDCP-H328 Batteries by synergy digital
- **How much does it cost?** ¥17743 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/595221251-synergy-digitalcordless-phone-batteries-compatible-with-uniden-dct648-3-cordless)

## Best For

- synergy digital enthusiasts

## Why This Product

- Trusted synergy digital brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **📦 Value Pack:** Includes 3 batteries for uninterrupted communication.
- • **🌱 Eco-Friendly Power:** Made with high-quality Japanese cells for sustainability.
- • **🔋 Long-Lasting Energy:** 750 mAh capacity ensures extended talk time.
- • **🔄 Seamless Compatibility:** Perfectly fits Uniden DCT648-3 and more!
- • **🛡️ Reliable Performance:** 100% OEM compatible for peace of mind.

## Overview

The Synergy Digital Cordless Phone Batteries are a reliable replacement for Uniden and other compatible cordless phones. With a capacity of 750 mAh and a voltage of 3.6V, these Ni-MH batteries are crafted from high-quality Japanese cells, ensuring long-lasting performance. The combo pack includes three batteries and comes with a 3-year warranty, making it a smart choice for maintaining your communication needs.

## Description

Synergy DigitalCordless Phone Batteries, Compatible with Uniden DCT648-3 Cordless Phone, (Ni-MH, 3.6V, 750 mAh), Replacement for Uniden BT-446 Battery, combo-pack includes: 3 x SDCP-H328 Batteries

## Features

- Synergy Digital� Replacement Battery for RadioShack 23-961, Uniden BT-446, BT-1005, Sanyo GES PC3F02, and more Panasonic and Uniden Cordless Phone Batteries
- Ni-MH, 3.6 Volt, 750 mAh.
- Made with high quality Japanese cells.
- 100% compatible with your OEM battery - 3 year warranty.

## Product Details

- **Brand:** Synergy Digital
- **Battery cell composition:** NiMH
- **Recommended uses for product:** Radio
- **Voltage:** 3.6 Volts
- **Reusability:** Rechargeable

## Images

![Synergy DigitalCordless Phone Batteries, Compatible with Uniden DCT648-3 Cordless Phone, (Ni-MH, 3.6V, 750 mAh), Replacement for Uniden BT-446 Battery, combo-pack includes: 3 x SDCP-H328 Batteries - Image 1](https://m.media-amazon.com/images/I/61bBmpFxUEL.jpg)
![Synergy DigitalCordless Phone Batteries, Compatible with Uniden DCT648-3 Cordless Phone, (Ni-MH, 3.6V, 750 mAh), Replacement for Uniden BT-446 Battery, combo-pack includes: 3 x SDCP-H328 Batteries - Image 2](https://m.media-amazon.com/images/I/51ca25aGBmL.jpg)
![Synergy DigitalCordless Phone Batteries, Compatible with Uniden DCT648-3 Cordless Phone, (Ni-MH, 3.6V, 750 mAh), Replacement for Uniden BT-446 Battery, combo-pack includes: 3 x SDCP-H328 Batteries - Image 3](https://m.media-amazon.com/images/I/4130EQk-+2L.jpg)
![Synergy DigitalCordless Phone Batteries, Compatible with Uniden DCT648-3 Cordless Phone, (Ni-MH, 3.6V, 750 mAh), Replacement for Uniden BT-446 Battery, combo-pack includes: 3 x SDCP-H328 Batteries - Image 4](https://m.media-amazon.com/images/I/41AfR3b5X+L.jpg)
![Synergy DigitalCordless Phone Batteries, Compatible with Uniden DCT648-3 Cordless Phone, (Ni-MH, 3.6V, 750 mAh), Replacement for Uniden BT-446 Battery, combo-pack includes: 3 x SDCP-H328 Batteries - Image 5](https://m.media-amazon.com/images/I/515K6uteQ+L.jpg)

---

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**Shop now:** [https://www.desertcart.jp/products/595221251-synergy-digitalcordless-phone-batteries-compatible-with-uniden-dct648-3-cordless](https://www.desertcart.jp/products/595221251-synergy-digitalcordless-phone-batteries-compatible-with-uniden-dct648-3-cordless)

---

*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-10-26*