---
product_id: 200129364
title: "iMah Ryme F11 2/3AA600 3.6V 600mAh Ni-MH Battery Pack, fits Kaito KA500 KA550 KA600 and fits Eton FRX3 Earlier Round-Hole Verson(Don't fit Eton FRX3 0000101 Newer Square-Hole Verson)"
brand: "imah"
price: "$44"
currency: NZD
in_stock: true
reviews_count: 8
category: "I Mah"
url: https://www.desertcart.nz/products/200129364-imah-ryme-f11-2-3aa600-3-6v-600mah-ni-mh
store_origin: NZ
region: New Zealand
---

# 3.6V stable voltage 600mAh Ni-MH power Multi-layer safety protection iMah Ryme F11 2/3AA600 3.6V 600mAh Ni-MH Battery Pack, fits Kaito KA500 KA550 KA600 and fits Eton FRX3 Earlier Round-Hole Verson(Don't fit Eton FRX3 0000101 Newer Square-Hole Verson)

**Brand:** imah
**Price:** $44
**Availability:** ✅ In Stock

## Summary

> 🔋 Power your preparedness with precision and protection!

## Quick Answers

- **What is this?** iMah Ryme F11 2/3AA600 3.6V 600mAh Ni-MH Battery Pack, fits Kaito KA500 KA550 KA600 and fits Eton FRX3 Earlier Round-Hole Verson(Don't fit Eton FRX3 0000101 Newer Square-Hole Verson) by imah
- **How much does it cost?** $44 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/200129364-imah-ryme-f11-2-3aa600-3-6v-600mah-ni-mh)

## Best For

- imah enthusiasts

## Why This Product

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

## Key Features

- • **Safety First:** Built-in over-voltage, over-current, over-charge & short-circuit protection for peace of mind
- • **Trusted Longevity:** Backed by a 24-month quality guarantee to keep you powered through every outage
- • **Reliable Power Boost:** 600mAh capacity keeps your weather radio alive when it matters most
- • **Perfect Compatibility:** Fits Kaito KA500/KA550/KA600 & Eton FRX3 earlier round-hole models flawlessly
- • **Eco-Smart Rechargeable:** Ni-MH chemistry means fewer battery replacements and less waste—sustain your emergency readiness

## Overview

The iMah Ryme F11 is a 3.6V, 600mAh Ni-MH rechargeable battery pack designed specifically for Kaito KA500, KA550, KA600 series and Eton FRX3 earlier round-hole weather radios. It features robust safety protections and a 24-month quality assurance, ensuring reliable, eco-friendly power replacement that extends the life of your essential emergency devices.

## Description

Buy iMah Ryme F11 2/3AA600 3.6V 600mAh Ni-MH Battery Pack, fits Kaito KA500 KA550 KA600 and fits Eton FRX3 Earlier Round-Hole Verson(Don't fit Eton FRX3 0000101 Newer Square-Hole Verson): Batteries - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: Good replacement - Ordered this battery pack to replace the one in my crank/solar NOAA radio. As expected, kept my radio going during the last power outage.
Review: Great product! - Exactly what I was looking for!

## Features

- iMah Ryme F11 (with Round-hole Connector) Rechargeable Ni-MH 2/3AA600mAh 3.6V Battery Pack
- For the Model Eton FRX3 Weather Radio, because FRX3 model produced in different year uses different battery( different on connector type), So please kindly compare your original battery connector, then see the listing images and choose our Ryme F11 or Ryme F12 battery pack for your Eton FRX3 Weather Radio. This Ryme F11 battery fits Eton FRX3 Earlier Round-Hole Verson(Don't fit Eton FRX3 0000101 Newer Square-Hole Verson)
- This Ryme F11 battery is NOT compatible with the FR360 Axis Radio! Because the connector looked similar but the Red/Black wires of connector is opposite!!!
- Compatible with Kaito KA500 KA550 Weather Alert Radio and Kaito Voyager Pro KA600 KA600L Voyager Radios
- Compatible with Eton-Grundig FR200 FR200G FR250 FR300 FR350 FR370 FR400 FR405 FR600 FR600B Radio. Fits Eton FRX3 Earlier Round-Hole Verson(Don't fit Eton FRX3 0000101 Newer Square-Hole Verson)
- Over-voltage, over-current, over-charge and short-circuit protection. Save money instead of purchasing new radios. Buy with confidence. Batteries are printed with manufacturing date (not expiration date), For 24-month after the date of purchase, we iMahDirect take care of all quality-related issues. Do please kindly check the compatible lists to make sure the right size & right connector

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B084ZGPNBT |
| Amperage | 3.6 Amps |
| Antenna Location | Eton FRX3 Earlier Round-Hole Version, Kaito KA500, Kaito KA550, Kaito KA600, Kaito KA600L |
| Battery Capacity | 600 Milliamp Hours |
| Battery Cell Composition | NiMH |
| Battery Cell Type | NiMH |
| Battery Weight | 45 Grams |
| Best Sellers Rank | #55 in Two-Way Radio Batteries |
| Brand | iMah |
| Built-In Media | Fits Eton FRX3 Earlier Round-Hole Verson(Don't fit Eton FRX3 0000101 Newer Square-Hole Verson), For the Eton FRX3 Weather Radios, because FRX3 produced in different year uses different battery( different on connector type), So please kindly compare your original battery connector, then see the listing images and choose our Ryme F11 or Ryme F12 battery pack for your Eton FRX3 Weather Radio. |
| Compatible Phone Models | Fits Eton FRX3 Earlier Round-Hole Verson(Don't fit Eton FRX3 0000101 Newer Square-Hole Verson), For the Eton FRX3 Weather Radios, because FRX3 produced in different year uses different battery( different on connector type), So please kindly compare your original battery connector, then see the listing images and choose our Ryme F11 or Ryme F12 battery pack for your Eton FRX3 Weather Radio. |
| Customer Reviews | 4.2 out of 5 stars 302 Reviews |
| Item Weight | 8 Ounces |
| Manufacturer | iMahDirect |
| Model Name | Round-Hole Verson |
| Model Number | KA600_2/3AA600mAh |
| Number of Batteries | 1 AA batteries required. (included) |
| Recommended Uses For Product | Eton FRX3 Earlier Round-Hole Version, Kaito KA500, Kaito KA550, Kaito KA600, Kaito KA600L |
| Reusability | Rechargeable |
| Unit Count | 1.0 Count |
| Voltage | 3.6 Volts |

## Product Details

- **Number of Batteries:** 1 AA batteries required. (included)
- **Brand:** iMah
- **Battery Cell Composition:** NiMH
- **Battery Capacity:** 600 Milliamp Hours
- **Recommended Uses For Product:** Kaito KA500, Kaito KA600, Kaito KA550, Kaito KA600L, Eton FRX3 Earlier Round-Hole Version

## Images

![iMah Ryme F11 2/3AA600 3.6V 600mAh Ni-MH Battery Pack, fits Kaito KA500 KA550 KA600 and fits Eton FRX3 Earlier Round-Hole Verson(Don't fit Eton FRX3 0000101 Newer Square-Hole Verson) - Image 1](https://m.media-amazon.com/images/I/515LxirV8fS.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good replacement
*by B***T on January 22, 2025*

Ordered this battery pack to replace the one in my crank/solar NOAA radio. As expected, kept my radio going during the last power outage.

### ⭐⭐⭐⭐⭐ Great product!
*by W***E on December 9, 2025*

Exactly what I was looking for!

### ⭐⭐⭐⭐ Battery pack
*by D***S on April 22, 2024*

Worked great in my older radio Thanks

## Frequently Bought Together

- iMah Ryme F11 2/3AA600 3.6V 600mAh Ni-MH Battery Pack, fits Kaito KA500 KA550 KA600 and fits Eton FRX3 Earlier Round-Hole Verson(Don't fit Eton FRX3 0000101 Newer Square-Hole Verson)
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*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-03-05*