---
product_id: 50742204
title: "RocketBus 6-Pack BK-40AAABU Replacement 1.2V 400mAh Battery for Panasonic Cordless Phone System BK40AAABU"
brand: "rocketbus"
price: "€ 46.45"
currency: EUR
in_stock: true
category: "Rocket Bus"
url: https://www.desertcart.be/products/50742204-rocketbus-6-pack-bk-40aaabu-replacement-1-2v-400mah-battery
store_origin: BE
region: Belgium
---

# 400mAh Long-Lasting Charge 1.2V Power Boost Rechargeable Ni-MH Tech RocketBus 6-Pack BK-40AAABU Replacement 1.2V 400mAh Battery for Panasonic Cordless Phone System BK40AAABU

**Brand:** rocketbus
**Price:** € 46.45
**Availability:** ✅ In Stock

## Summary

> 🔋 Power your productivity—never let your calls drop!

## Quick Answers

- **What is this?** RocketBus 6-Pack BK-40AAABU Replacement 1.2V 400mAh Battery for Panasonic Cordless Phone System BK40AAABU by rocketbus
- **How much does it cost?** € 46.45 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.be](https://www.desertcart.be/products/50742204-rocketbus-6-pack-bk-40aaabu-replacement-1-2v-400mah-battery)

## Best For

- rocketbus enthusiasts

## Why This Product

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

## Key Features

- • **Bulk Pack Convenience:** 6-pack supply means you’re always ready with fresh batteries—perfect for busy professionals who value uninterrupted connectivity.
- • **Sustain Your Calls Longer:** 400mAh capacity delivers extended talk time and standby, so you never miss an important conversation.
- • **Trusted Quality & Warranty:** RocketBus brand with a 1-year warranty and a 4.4-star rating from 134 users guarantees dependable performance.
- • **Eco-Friendly Rechargeable Design:** Ni-MH rechargeable cells reduce waste and save you money with up to hundreds of recharge cycles.
- • **Reliable Power for Your Panasonic:** Specifically engineered for Panasonic cordless phone models KX-TGD220N to KX-TGE275S, ensuring seamless compatibility.

## Overview

The RocketBus 6-Pack BK-40AAABU Replacement Batteries are 1.2V, 400mAh Ni-MH rechargeable cells designed exclusively for Panasonic cordless phone models KX-TGD220N through KX-TGE275S. Offering long-lasting power, eco-friendly rechargeability, and a convenient bulk pack, these batteries come with a 1-year warranty and a strong customer satisfaction rating, making them the smart choice for professionals who demand reliable communication.

## Description

6-Pack 1.2V 400mAh Ni-MH BK-40AAABU Replacement Batteries

## Features

- 1.2V 400mAh
- Rechargeable Ni-MH
- For Panasonic KX-TGD220N, KX-TGD22N, KX-TGD223N, KX-TGD224N, KX-TGD225N, KX-TGE273S, KX-TGE274S, KX-TGE275S

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B076MQ8FCZ |
| Amperage | 400 Milliamps |
| Antenna Location | Panasonic cordless phones |
| Battery Capacity | 400 Milliamp Hours |
| Battery Cell Type | NiMH |
| Battery Weight | 1 Ounces |
| Best Sellers Rank | #68 in Cordless Telephone Batteries |
| Brand | RocketBus |
| Compatible Phone Models | KX-TGD220N, KX-TGD22N, KX-TGD223N, KX-TGD224N, KX-TGD225N, KX-TGE273S, KX-TGE274S, KX-TGE275S |
| Customer Reviews | 4.4 4.4 out of 5 stars (134) |
| Item Weight | 1 Ounces |
| Manufacturer | RocketBus |
| Model Name | BK-40AAABU |
| Model Number | 7545874062 |
| Number of Batteries | 1 AA batteries required. (included) |
| Reusability | Rechargeable |
| UPC | 680063060960 |
| Unit Count | 2 Count |
| Voltage | 1.2 Volts |
| Warranty Description | 1 Year Warranty |

## Product Details

- **Battery Capacity:** 400 Milliamp Hours
- **Battery Cell Composition:** NiMH
- **Brand:** RocketBus
- **Number of Batteries:** 1 AA batteries required. (included)
- **Recommended Uses For Product:** Panasonic cordless phones

## Images

![RocketBus 6-Pack BK-40AAABU Replacement 1.2V 400mAh Battery for Panasonic Cordless Phone System BK40AAABU - Image 1](https://m.media-amazon.com/images/I/81lGjMQqJCL.jpg)

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**Shop now:** [https://www.desertcart.be/products/50742204-rocketbus-6-pack-bk-40aaabu-replacement-1-2v-400mah-battery](https://www.desertcart.be/products/50742204-rocketbus-6-pack-bk-40aaabu-replacement-1-2v-400mah-battery)

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*Product available on Desertcart Belgium*
*Store origin: BE*
*Last updated: 2026-07-26*