Battery Z55h

Updated August 15, 2026

Overview

Product sourcing insights & recommendations

25 来源

The ZeniPower Z55H is a specialized 3.85V lithium-ion coin cell battery that has gained significant market traction primarily as the OEM replacement for Sony WF-1000XM4 and WF-1000XM3 earbuds Amazon Centralsound.

Product Overview & Tech Specs

* Key Specifications: 3.85V voltage, 70–75mAh capacity (0.29Wh), and ~12mm diameter Amazon Centralsound.

* Application: It is the standard battery for the Sony WF-1000XM4. It is also used as a high-capacity upgrade for the WF-1000XM3 (replacing the original 3.7V Varta CP1254), extending earbud runtime Centralsound.

* Common Market Driver: The "Sony Battery Drain Issue" is the primary driver for retail demand. Faulty firmware (v1.4.2) caused excessive heat during charging, leading to widespread cell failure in the XM4 series Centralsound.

Market Trends & Pricing

* Retail Demand: Strong DIY repair market. Individual units sell for $11–$17, while pairs (with repair kits) range from $28 to $40 Amazon Ebay Joesge.

* B2B/Wholesale: Sourcing directly from manufacturers in China (e.g., Dongguan or Shenzhen) significantly reduces costs. Wholesale prices for MOQs of 100+ pieces are approximately $1.98–$2.99 per unit Alibaba Alibaba.

* Growth Outlook: The global battery market is projected to grow at a CAGR of 9% to 17% through 2033 Grandviewresearch Polarismarketresearch. Niche components like the Z55H benefit from the rising trend of "Right to Repair" and the high lifecycle cost of premium TWS (True Wireless Stereo) earbuds.

Sourcing Recommendations

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Sources & References

25 sources cited · Verified industry data & reports

ZeniPower Z55H batteries for WF-1000XM3 earphones?

Reddit · r/sony

I accidentally bought the Z55H batteries intended for WF-1000XM4 instead of Z55 batteries. Can I still use them in my WF-1000XM3? Edit: I did it eventually. ...

𝟮𝟬𝟮𝟲 𝗡𝗲𝘄 𝗨𝗽𝗴𝗿𝗮𝗱𝗲𝘀 𝐙𝟓𝟓𝐇 𝐁𝐚𝐭𝐭𝐞𝐫𝐲,Compatible ...

Amazon.com

100% Compatible with original battery. For battery part number:Z55H; Battery Voltage:3.85V Battery Capacity:70mAh; Compatible for WF-1000XM4 ...

Product Safety Data Sheet - Mmsrg

mmsrg.com

IDENTIFICATION. ○ Product name: Lithium-ion Button Cell Battery. ○ Other mean of identification: Lithium-ion Battery. ○ Product size: Z55FH.

Sony WF-1000XM4 WF-1000XM3 ZeniPower Z55H Battery ...

Joe's Gaming & Electronics

Brand: ZeniPower For Sony · Fits Model: WF-1000XM3 & WF-1000XM4 · Battery Type: Coin · Battery Model: Z55H · Specifications: 3.85V, 0.29Wh, 75mAh · Condition: New.

2 x Sony WF-1000XM4 XM4 Bluetooth Replacement ...

eBay

Battery Model: Z55H. 2 x New ZeniPower Z55H Coin Batteries. This is the original battery found inside your Sony WF-1000XM3 and WF-1000XM4 earbuds.

Has anybody successfully replaced the battery on their WF ...

Reddit · r/SonyHeadphones

I'm asking because the battery used is the Zenipower Z55H and its virtually nowhere to be found online. The battery is rated at 3.85V and the only close ...