Charging Time.: 0.5h, Compatible with: Computer, iPhone, Mobile phone, Portable Media Player, Connectivity: Wireless, Frequency response: 20-20000Hz, Impedance: 32ohms, Music Time: 1.5h, Sensitivity: 92dB, Standby time: 5h, Talk time: 3.5h.
Aliexpress
There’re some similar (or not) items on Aliexpress
| Image | Product (link) | Price | Coupons |
|---|---|---|---|
 |
2Pcs 400909 400910 501010 501012 lithium polymer battery for i7s/i8/i9/i12TWS tws-12 Bluetooth earphone wireless headphones | $4.57 | – |
Click here to search by yourself. Here are coupons that you can use.
Updated: 05-09-2025
Price history and price alert
Do you need price history chart (for all/most countries) for I9 TWS Bluetooth Earphones? There we go. The lowest price was: $9.99.
Price records source(s): Gearbest
Click on image to enlarge. 
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).