---
product_id: 259119415
title: "Kastar Kastar HHR-P104 Cordless Phone Battery, Ni-MH, 3.6 Volt, 1000mAh Ultra Hi-Capacity, Replacement for Panasonic HHR-P104 HHR-P104A and Sony MDR-RR800/900 Series Rechargeable Battery"
brand: "kastar"
price: "€ 52.81"
currency: EUR
in_stock: true
reviews_count: 5
url: https://www.desertcart.sk/products/259119415-kastar-kastar-hhr-p104-cordless-phone-battery-ni-mh-3
store_origin: SK
region: Slovakia
---

# 1000mAh Capacity Ni-MH Rechargeable 3.6V Power Kastar Kastar HHR-P104 Cordless Phone Battery, Ni-MH, 3.6 Volt, 1000mAh Ultra Hi-Capacity, Replacement for Panasonic HHR-P104 HHR-P104A and Sony MDR-RR800/900 Series Rechargeable Battery

**Brand:** kastar
**Price:** € 52.81
**Availability:** ✅ In Stock

## Summary

> 🔋 Power Up Your Day with Kastar!

## Quick Answers

- **What is this?** Kastar Kastar HHR-P104 Cordless Phone Battery, Ni-MH, 3.6 Volt, 1000mAh Ultra Hi-Capacity, Replacement for Panasonic HHR-P104 HHR-P104A and Sony MDR-RR800/900 Series Rechargeable Battery by kastar
- **How much does it cost?** € 52.81 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/259119415-kastar-kastar-hhr-p104-cordless-phone-battery-ni-mh-3)

## Best For

- kastar enthusiasts

## Why This Product

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

## Key Features

- • **Unleash the Power:** Experience a robust 3.6V output for optimal performance.
- • **Eco-Friendly Choice:** Ni-MH technology promotes sustainability with rechargeable convenience.
- • **Stay Charged Longer:** Ultra Hi-Capacity 1000mAh ensures extended usage without frequent recharges.
- • **Lightweight & Portable:** Weighing just 0.0625 pounds, it's designed for on-the-go professionals.
- • **Versatile Compatibility:** Perfectly replaces Panasonic HHR-P104 and Sony MDR-RR800/900 batteries.

## Overview

The Kastar HHR-P104 Cordless Phone Battery is a high-performance, rechargeable Ni-MH battery designed to replace Panasonic HHR-P104 and Sony MDR-RR800/900 series batteries. With a voltage of 3.6V and a capacity of 1000mAh, it offers long-lasting power and eco-friendly convenience, making it an essential accessory for your cordless devices.

## Description

Kastar Kastar HHR-P104 Cordless Phone Battery, Ni-MH, 3.6 Volt, 1000mAh Ultra Hi-Capacity, Replacement for Panasonic HHR-P104 HHR-P104A and Sony MDR-RR800/900 Series Rechargeable Battery

## Features

- manufacturer: Kastar
- Item Trademark: KASTAR
- Item Weight: ounces, pounds, 0.062500, 1.00
- Item Category: Battery

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Item Weight | 1 Ounces |
| Unit Count | 1 Count |
| Recommended Uses For Product | Phone |
| Reusability | Rechargeable |
| Battery Capacity | 1000 Milliamp Hours |
| Amperage | 3.6 Amps |
| Voltage | 3.6 Volts |

## Product Details

- **Brand:** Kastar
- **Battery cell composition:** NiMH
- **Recommended uses for product:** Phone
- **Unit count:** 1.0 count
- **Voltage:** 3.6 Volts

## Images

![Kastar Kastar HHR-P104 Cordless Phone Battery, Ni-MH, 3.6 Volt, 1000mAh Ultra Hi-Capacity, Replacement for Panasonic HHR-P104 HHR-P104A and Sony MDR-RR800/900 Series Rechargeable Battery - Image 1](https://m.media-amazon.com/images/I/71Ovf5iPpVL.jpg)
![Kastar Kastar HHR-P104 Cordless Phone Battery, Ni-MH, 3.6 Volt, 1000mAh Ultra Hi-Capacity, Replacement for Panasonic HHR-P104 HHR-P104A and Sony MDR-RR800/900 Series Rechargeable Battery - Image 2](https://m.media-amazon.com/images/I/71CMbR1r9rL.jpg)
![Kastar Kastar HHR-P104 Cordless Phone Battery, Ni-MH, 3.6 Volt, 1000mAh Ultra Hi-Capacity, Replacement for Panasonic HHR-P104 HHR-P104A and Sony MDR-RR800/900 Series Rechargeable Battery - Image 3](https://m.media-amazon.com/images/I/61djr+FYsqL.jpg)

## Questions & Answers

**Q: Does this battery come with or without cord attached**
A: This particular battery does not come with a cord. This is a rechargeable battery that I use for my mobile home phone. When you place it back in the phone cradle that's what charges the battery backup.

**Q: What’s the difference between an 850mah and 1000 mah?**
A: I purchased this battery for some old phones around 2012. We do not use those phones anymore, but they worked perfectly and, as long as the phones stay on the charger, they will have a long life.

**Q: is this the same as a Panasonic HHr-P104 3.6v 830 mah (29)**
A: I purchased this battery and it is 3.6 v. 900 mah.   My Panasonic phone says to use HHR-P104. this battery works fine in my phones.

## Customer Reviews

### ⭐⭐⭐⭐⭐ 







  
  
    Great battery!
  

*by C***D on Reviewed in the United States on 23 June 2024*

Perfect fit in my Panasonic landline!  Telephone works once again, with this correct replacement battery’s,

### ⭐⭐⭐⭐⭐ 







  
  
    Ok
  

*by P***E on Reviewed in Canada on 2 July 2023*

Ok

### ⭐⭐⭐⭐ 







  
    Buen precio.
  
  

*by N***B on Reviewed in Mexico on 22 May 2022*

Funciona igual que la original.

## Frequently Bought Together

- Kastar HHR-P104 Cordless Phone Battery, Ni-MH, 3.6 Volt, 1000mAh Ultra Hi-Capacity, Replacement for Panasonic HHR-P104 HHR-P104A and Sony MDR-RR800/900 Series Rechargeable Battery
- Energizer Alkaline Power AAA Batteries, 32 Count, Long-Lasting Triple A Batteries, Suitable for Everyday Electronics and Emergency Gear

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**Shop now:** [https://www.desertcart.sk/products/259119415-kastar-kastar-hhr-p104-cordless-phone-battery-ni-mh-3](https://www.desertcart.sk/products/259119415-kastar-kastar-hhr-p104-cordless-phone-battery-ni-mh-3)

---

*Product available on Desertcart Slovakia*
*Store origin: SK*
*Last updated: 2026-02-01*