CP1240-A4 Battery Pack for Sony WF-LS900N LS900B TWS Wireless Earphone Battery Cheap Li-ion Batteries

 50mAh/0.2WH CP1240-A4 Headphones Battery Replacement for Sony WF-LS900N LS900B TWS Wireless Earphone. Engineered with premium quality assurance, the Sony CP1240-A4 battery incorporates comprehensive safety protections including voltage regulation, short-circuit prevention, charging time optimization, and ESD shielding.

Each unit undergoes rigorous testing by our team of expert technicians and meets international safety standards through certifications such as CE, UL, RoHS, and ISO 9001/9002 compliance. Prior to shipment, every battery is subjected to meticulous performance verification and quality control checks to ensure optimal functionality.

We are committed to delivering superior-grade Sony CP1240-A4 batteries that combine reliable power solutions with exceptional safety performance for your device.

Whether you're at home or on-the-go, a long life lithium-ion laptop battery will ensure that you have the power you need, when you need it. We promise that the CP1240-A4 Battery sold in our website are 100% brand new - We never sell used or refurbished CP1240-A4 Headphones Battery.

Product Specifications:
Condition:Replacement, Brand New
Brand:Headphones Battery for Sony
Capacity:50mAh/0.2WH
Voltage:3.7V
Cell Type:Li-ion
Warranty:Full 12 Months Warranty and 30 Days Money Back
* They are manufactured using the most up to date TI chip set
* Quality replacement battery with high Capacity
* Longer lifespan - thanks to modern Lithium technology without memory effect
* Guaranteed safety: Protected against Short-circuits, Overheating and Overvoltage
* Each cell is separately tested in order to ensure professional standards are met
* 100% compatible in replacing your original battery

Replaces these part numbers:
CP1240-A4

Other Online Stores:
Poland ------------------------ Alternatywna bateria do SONY CP1240-A4
USA ------------------------ Sony CP1240-A4 Replacement Batteries
Spain ------------------------ Batería para Sony CP1240-A4
France ------------------------ Sony CP1240-A4 Batteries
Italia ------------------------ Sony CP1240-A4 Batteria
Japan ------------------------ Sony 50mAh/0.2WH 互換用バッテリー

Compatible with the following models:
for Sony WF-LS900N LS900B TWS Wireless Earphone

Follow the notice below, Better using your Sony CP1240-A4 Battery

Storage - Store your Sony CP1240-A4 Battery in a clean, dry, cool place away from heat and metal objects. The Sony CP1240-A4 batteries will self-discharge during storage; remember stored at about 40% state-of-charge.
Charge and discharge - For lithium ion batteries, you do not need to discharge them fully and recharge constantly. You need to do a full discharge only about every 30 charges. Do not charged to higher voltages than its threshold voltage.
Exercise Your Sony CP1240-A4 Battery - Do not leave your batteries dormant for long periods of time. We recommend using the battery at least once every two to three weeks. If a battery has not been used for a long period of time, perform the new battery break in procedure described above.
Calibrate Your batteries - If your Battery's 76% even less in work , you must fully charge, fully discharge, and then fully recharge the Laptop Battery pack.
Consider removing the Sony CP1240-A4 battery from a laptop when running on fixed power.
Do not short-circuit. A short-circuit may cause severe damage to the battery.
Avoid propping your equipment on a pillow, blanket, or other soft surface that can heat up. Your Sony CP1240-A4 battery is a lot less efficient when not within its standard operating temperature range.