K1m Battery

Updated October 6, 2026

Overview

Product sourcing insights & recommendations

26 来源

The phrase "k1m battery" refers to two distinct categories of replacement batteries in the vintage electronics market, as well as a niche emerging technology in the energy sector.

1. Kawai K1m Synthesizer Internal Battery

The Kawai K1m (a tabletop 16-bit synthesizer released in 1988) requires an internal 3V Lithium coin cell battery (typically CR2032) to maintain its patch memory. Gearspace Syntaur

* Market Insight: There is a steady demand among audio hobbyists for these batteries, often bundled with CR2032 holders to modify the original soldered-in design for easier future replacements. Reverb Vintagesynth

* Product Trend: Users are increasingly shifting towards DIY modifications like "daughterboards" to prevent the battery from shorting against the unit's metal support rails. Gearspace

2. Motorola KRZR K1m Cell Phone Battery

The Motorola KRZR K1m (a flip phone from the mid-2000s) uses a 3.7V Lithium-Ion battery, most commonly the BT50 or BT60 model. Batterymart Batterytex

* Market Trend: While the phone itself is legacy technology, a secondary market persists for replacement batteries (700mAh to 1000mAh) for collectors and users of "dumb phones" for digital detox. Interlightus

* Sourcing Insight: Modern B2B listings now prioritize high-capacity "replacement" batteries for later Motorola Moto series, making exact OEM-spec BT50 batteries a niche sourcing item. Alibaba Alibaba

3. Emerging Tech: Potassium-Ion (K-Ion) Batteries

In a modern industrial context, "K" is the chemical symbol for Potassium. Emerging Potassium-Ion (K-Ion) battery technology is gaining momentum as a sustainable alternative to Lithium-ion. Bridgeclassiccars

* Performance: These batteries offer energy storage (160–180 Wh/kg) comparable to some Li-ion chemistries but use more abundant and lower-cost materials. Bridgeclassiccars

I have compiled lists of available replacement batteries and components for these specific needs:

Based on the current vintage electronics landscape, here are your next steps:

Sources & References

26 sources cited · Verified industry data & reports

K1m backup battery dead, unit open, need help!

Vintage Synth Explorer Forums

If you replace the battery with a new one then there is no need to worry about opening it up again for the next 5-7 years. And even if you do ...

Kawai K1 Battery questions

Gearspace

hey so i'm late to the conversation here, but i happen to have a K1m that I got recently that has a dead battery. like the video it's got that copper shield ...

Kawai K1m Replacement Parts

Syntaur

Browse 5 replacement parts for the Kawai K1m (1988). The K1m is a tabletop ... Battery, 3V lithium. $7.95 (Part # 4311). Click for ...

Kawai K1 - K1 ii K1R K1M - Battery Replacement Fix + Wire

Reverb

Brand: Kawai. Model: K1 ii K1R K1M. Including: √ NEW 3V Coin Cell Battery CR2032. √ Lead wires to connect externallly from PCB point. Installation:.

She ain't all that but she's something. Kawai K1M I picked ...

Reddit · r/synthesizers

She ain't all that but she's something. Kawai K1M I picked up from goodwill.

Kawai K1 and K1 II Battery

VintageSynthShop

The battery for sale here is an high quality battery, that will last longer than cheap battery you could find elsewhere. ... Kawai K1 K1M Joystick. 59.95 EUR.