🔋 Recharge your vibe, not just your device!
This 2-pack Z55H lithium-ion battery set is fully compatible with Sony WF-1000XM4 headsets, delivering 70mAh capacity at 3.85V for reliable, long-lasting power. Lightweight and rechargeable, it includes professional installation tools and is backed by a 12-month warranty and 60-day refund policy, ensuring hassle-free replacement and peak audio performance.
| Antenna Location | Laptop |
| Asin | B0BY4M7TF4 |
| Battery Capacity | 70 milliamp_hours |
| Battery Cell Type | Lithium Ion |
| Battery Weight | 5 Grams |
| Best Sellers Rank | #25,808 in Computers (See Top 100 in Computers) #142 in Laptop Batteries |
| Brand | EXMUMCMR |
| Compatible Phone Models | for WF-1000XM4 |
| Customer Reviews | 4.3 4.3 out of 5 stars (162) 4.3 out of 5 stars |
| Item Weight | 0.07 Pounds |
| Manufacturer | EXMUMCMR |
| Model Name | WF 1000XM4 |
| Model Number | Z55H |
| Number Of Batteries | 2 D batteries required. (included) |
| Reusability | Rechargeable |
| Unit Count | 2.0 Count |
| Upc | 716032646887 |
| Voltage | 3.85 Volts |
User
The screwdriver is too soft and just crumbles
Cannot attest to the quality of the batteries, but the screwdriver that came in the set is made of the worst quality metal out there. It just crumbles without unscrewing the screws in the earbuds
User
Awesome!
Very nice packaging with all necessary tools and even more than necessary tools lol. Will update this review after a year using these batteries
User
Overpriced.
Two useful batteries with a bag full of useless cheap "tools" just to make the price up.
User
Great initial report. will update with time
These arrived quick. Easy enough to install and after charging my earbuds (wf-1000xm4) they appear to be holding charge well again.I replaced both left and right earbud batteries as I had time, and wanted to test longevity with the new replacements. Before, the right earbud would lose charge, go from 100% to 0% in an hour or less. It would also heat up in the charging case, and overall caused the case to drain quicker as well.Opening the earbuds was easy with a heat gun and spudgers. Replacing the battery took little finesse but still easily done. I did a quick test to the earbuds with a small charge before glueing. Just to be sure no other components were damaged. I let the glue cute for a full 24 hours while the earbuds were in foamed clamps to prevent damage/scratches.So far after about an hour and a half of use these new batteries went from 100% charged to 93%. Great improvement from before. I will continue this review as time passes.9 months in and still going strong. Keep that tube of glue. I will have to re apply. The seams on my wf-1000xm4 are starting to be able to pull apart. (my fault there. i was cleaning the seam and didn't realize i was scraping glue out)
User
Great battery replacement kit!
The process to replace the batteries is not simple, you do need care and a bit of experience will help you along the way to not mess things up. If this is not your first rodeo, then this kit has everything needed in order to replace the batteries. As for the battery quality, it's been almost 18 months since I did the replacement and they are strong, no sign of issues or low battery errors like the original ones.
User
1 batterie sur 2 fonctionne.....
Lors de mon remplacement de batterie, y'a juste une batterie qui fonctionne. Pour être sur j'ai mis l'ancienne batterie dans l'écouteur et c'est fonctionnel. Avec un multimètre, le niveau de batterie est dans la zone de sa mort. Donc j'ai juste une batterie de vivante....
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