Brand New High-Quality Replacement Battery for Sony WF-1000XM4
- SKUHKB1441
- ConditionBrand new, unused
- Voltage3.85 V
- Capacity0.29Wh
- Number of Cells1 Cells
- ShippingSF Express shipping, Free Delivery
- StockIn stock, delivered within 2-3 days
- Note
Brand New High-Quality Replacement Battery for Sony WF-1000XM4
- SKUHKB1442
- ConditionBrand new, unused
- Voltage3.7 V
- Capacity0.24Wh
- Number of Cells1 Cells
- ShippingSF Express shipping, Free Delivery
- StockIn stock, delivered within 2-3 days
- Note
Product Description
Our brand-new Sony WF-1000XM4 replacement battery uses next-generation imported high-density A+ cells with true capacity and stable performance.
With an upgraded smart protection chip, it helps protect against overcharge, over-discharge, overheating, and short circuit issues. Compared with old batteries, it is less prone to overheating and swelling.
Each battery goes through strict quality checks and safety certifications to ensure dependable daily use and excellent compatibility.
Compatible Battery / Device Model List
Shipping Methods
| Ship to | Shipping Methods | Estimated Delivery Time | Estimated Shipping Fee |
|---|---|---|---|
| 香港 | 順豐速運 | 2-3 business days | Free Shipping |
| 澳門 | 順豐速運 | 2-3 business days | Free Shipping |
Warranty & Returns
30-Day No-Questions-Asked Returns
If you decide to return the battery within 30 days of purchase, no reason or conditions are required. You can submit a return request at any time, giving you a worry-free shopping experience.
1-Year Warranty Service
Within one year of purchase, if there are any quality issues, you can choose a replacement or a full refund. We provide convenient after-sales service based on your needs to ensure a worry-free experience.
FAQ
- Do you offer discounts for bulk purchases? How can I apply?
Yes, we offer discounted prices for bulk purchases on HKBattery.hk (for orders of 10 or more batteries). The discount increases with quantity. Please contact us via email before placing your order to receive a quote.
- Why does the new battery charge slowly?
A new battery may charge slowly because it retains some charge from the manufacturing process. This is normal. After a few full charge and discharge cycles, the charging speed will gradually return to normal.
- How long is the battery lifespan and usage time?
Battery lifespan depends on various factors, including usage frequency, charging cycles, and temperature. Generally, laptop batteries last between 1 to 3 years. Actual usage time may vary depending on the brand and model.
- How can I tell if I need to replace my battery?
If your battery shows issues such as slow charging, fast power drain, swelling, system crashes (blue screen), or lagging performance, it may indicate that the battery or device needs replacement. In most cases, replacing the battery is the more cost-effective and practical solution.
- Can I use this battery if the voltage and capacity are different from my original battery?
Generally, as long as other specifications are consistent, batteries with a voltage difference of no more than 2V are compatible and can be used normally.
Battery capacity may affect the size and shape of the battery. If the capacity differs, please ensure that our battery matches the shape and dimensions of your original battery.