NH-14WM Battery Pack for Sony Walkman Cassette Player WM-EX921 Battery Cheap Ni-MH Batteries

 1400mAh NH-14WM MP3 Audio Player Battery Replacement for Sony Walkman Cassette Player WM-EX921. Engineered with premium quality assurance, the Sony NH-14WM 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 NH-14WM 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 NH-14WM Battery sold in our website are 100% brand new - We never sell used or refurbished NH-14WM MP3 Audio Player Battery.

Product Specifications:
Condition:Replacement, Brand New
Brand:MP3 Audio Player Battery for Sony
Capacity:1400mAh
Voltage:1.2V
Cell Type:Ni-MH
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:
NH-14WM

Other Online Stores:
Poland ------------------------ Alternatywna bateria do SONY NH-14WM
USA ------------------------ Sony NH-14WM Replacement Batteries
Spain ------------------------ Batería para Sony NH-14WM
France ------------------------ Sony NH-14WM Batteries
Italia ------------------------ Sony NH-14WM Batteria
Japan ------------------------ Sony 1400mAh 互換用バッテリー

Compatible with the following models:
for Sony Walkman Cassette Player WM-EX921
for Sony Walkman Cassette Player WM-609
for Sony NE20
for Sony 730
for Sony EJ2000
for Sony 1000
for Sony EX921
for Sony R909
for Sony 900
for Sony NC-5WM
for Sony NC-6WM
for Sony NH-9WM
for Sony NH-10WM
for Sony D-E888 Walkman
for Sony MD/CD Walkman MiniDisc Gumstick

Follow the notice below, Better using your Sony NH-14WM Battery

Storage - Store your Sony NH-14WM Battery in a clean, dry, cool place away from heat and metal objects. The Sony NH-14WM 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 NH-14WM 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 NH-14WM 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 NH-14WM battery is a lot less efficient when not within its standard operating temperature range.