The kaito ka-600l uses a 18650 battery. why does the listing show this to be compatible with the ka-600l?

I don't know about the listing comparison , but it is a 3AAA compact . My radio was an Eton Microlink FR160 . Looking at reviews from previous buyers , it IS necessary to change the polarity of the wiring . Simple to do . Mark connector , then depress pin tab thru side of plastic connector , and gently remove wire and pin from connector . When both are out , reverse position of wires , then gently slide pin into connector until pin tab locks into place .

Will this fit a c crane observer radio?

Spec on the battery: Type: Ni-MH Cell: 2/3 AA ( times 3) Voltage: 3.6 V Current rating: 800 mAh Battery Dimension: 1 3/4 in x 1 1/4 in x 9/16 in. Visual image of battery and specs are in the radio's user manual. Not sure about dimension.

will it work with microlink FR160

The battery fits and works on an Eton FR-300 radio. Not familiar with Eton FR-160.

What are the dimensions of the battery pack? Fit Grundig emergency radio?

Width 1.671, height 1.135, depth 0.568 inches. Height value omits the leads and connector. Battery pack marked Ni-MH 2/3AA600mAH 3.6V. Battery pack fit my Kaito KA500 emergency radio perfectly and the wiring was correct (ref. some other comments). Don't have a Grundig.

Kastar Battery Replacement for Kaito KA500 KA550 KA600 5-Way Weather Alert Shortwave Radio, Eton/GRUNDIG FR200 FR200G FR250 FR300 FR350 FR370 FR400 FR405 FR600 FR600B Radio

Product ID: 110413645

Details

Battery Capacity
800 Milliamp
Battery Cell Composition
NiMH
Brand
Kastar
Number of Batteries
1 AA batteries
Recommended Uses For Product
Radio

⚡3.6V reliable voltage

🔄Rechargeable & eco-friendly

🔋800mAh NiMH power

Description

🔋 Power your peace of mind with Kastar’s trusted battery replacement!

PERFECT COMPATIBILITY - Seamlessly fits Kaito KA500, KA550, KA600 and Eton/Grundig FR series radios for instant replacement.
TRUSTED QUALITY BUILD - Premium NiMH cells ensure durability and consistent performance—no knockoffs here.
LIGHTWEIGHT PORTABLE - At just 1.4 ounces, it’s easy to carry without weighing down your emergency kit.
LONG LASTING POWER BOOST - 800mAh capacity keeps your emergency radio running longer when it matters most.
ECO CONSCIOUS RECHARGEABLE - Rechargeable design reduces waste and keeps you prepared sustainably.

The Kastar Battery Replacement is a high-quality 3.6V NiMH rechargeable battery with 800mAh capacity, designed specifically for Kaito KA500, KA550, KA600 and compatible Eton/Grundig FR series radios. Lightweight and durable, it offers reliable long-term performance for critical weather alert and emergency communication devices.

Specifications

ASIN	B07KZB5K5R
Antenna Location	Radio
Battery Capacity	800 Milliamp Hours
Battery Cell Type	NiMH
Battery Weight	1.4 Ounces
Best Sellers Rank	#49 in Two-Way Radio Batteries
Brand	Kastar
Built-In Media	Battery
Customer Reviews	4.5 4.5 out of 5 stars (596)
Item Weight	0.03 Kilograms
Manufacturer	Kastar
Model Number	MH-1B-KA600
Number of Batteries	1 AA batteries required. (included)
Reusability	Rechargeable
UPC	689211449237
Unit Count	1 Count
Voltage	36 Volts

Reviews

L**L

Works well

Battery works well in my Grundig emergency radio

14.02.2026

A**R

Well Made

I bought one several years ago as a replacement for an emergency radio. These battery packs are well made, reliable and have a great run time. These are not cheap Chinese knockoffs, just the real deal from a reputable manufacturer.

3.05.2025

M**O

Lasting

Works fine

27.02.2026

B**L

It does what it's supposed to do

It fit in the compartment in the radio just fine, holds a charge fairly reliably, and didn't cost a fortune. What's not to like?

20.02.2024

L**P

Great replacement battery for our Voyager Weather Radio

We needed a replacement battery for our Voyager Weather Alert Radio. This one is nearly a perfect match to our OEM battery. Easy to install and works as it should. I would buy again when needed and recommend

7.04.2025

J**U

Fit perfectly

Fit perfect

21.12.2025

R**N

Its what you need!

This saved me! I had this radio and its batter was dead. Swapped it out and now its back to working as normal Perfect!

3.06.2025

S**R

DIDN’T LAST LONG AS BEFORE

This battery is for a radio that is used about 15 minutes per day and is charged about once every two weeks or so. I’ve purchased them in the past and they last between 2 and 3 years. This last one lasted 11 months. Im hoping the one I just bought is like the previous ones.

7.04.2024

S**H

Perfect replacement battery for the Grundig FR200 portable radio.

9.11.2025

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