High Quality 3.85V 0.404Wh BOSE M1454S2 Battery For Bose QuietComfort II Noise Cancelling Headphones

Do you want to buy a cheap BOSE M1454S2 Compatible battery? We offer you a cheap BOSE M1454S2 Compatible battery - an incredibly high quality Compatible battery! All BOSE M1454S2 are brand new,1 year Warranty, 100% Guarantee Quality and Fully Test!

✔ Battery for M1454S2 Ships to Singapore

Product Overview

This battery is suitable as a replacement battery for Bose QuietComfort II Noise Cancelling Headphones battery and BOSE M1454S2 model.

High capacity BOSE M1454S2 battery for longer standby time.

The battery is professionally tested to ensure the best lifespan.

1 year warranty, 30 days money back, 100% brand new!

Battery capacity (mAh/A/W) may be different; the more mAh/A/W it displays, the higher its autonomy.

Safety certified CE / FCC / RoHS.

Key Features

• High‑capacity design with 0.404Wh for extended device runtime.
• Stable 3.85V output ensures consistent performance during daily use.
• Built with high‑quality lithium‑ion cells for improved durability and long cycle life.
• Advanced protection system including overcharge, over‑discharge, overheat, and short‑circuit safeguards.
• Optimized for reliable performance in warm and humid environments.
• Lightweight and compact design for easy installation and device compatibility.

Technical Specifications

Model	M1454S2
Battery Condition	Brand New Replacement Battery
Item Code	24KK65B7_Oth
Category	Headphones Batteries
Brand	BOSE
Capacity	0.404Wh
Voltage	3.85V
Type	Li-ion
Color	Silvery
Size	*mm(L x W x H)
Applies to	Bose QuietComfort II Noise Cancelling Headphones
Certification	Passed CE, UL, ROHS, ISO 9001/9002 and GS certification
Service	Buy now, we promise a one-year warranty and 30-day returns

Compatible Models

Replacement Part Numbers:

• M1454S2

Compatible Models：

For Bose QuietComfort II Noise Cancelling Headphones

* Please make sure that the replacement battery you are buying is suitable for your device brand and model.

Battery Care & Maintenance

• Store the battery in a cool, dry environment to maintain long‑term performance.
• Avoid exposing the battery to excessive heat or direct sunlight, especially in warm and humid climates.
• Use compatible BOSE chargers or certified charging accessories to ensure safe and efficient charging.
• Avoid frequent full discharges; partial charge cycles help extend overall battery lifespan.
• If the battery will not be used for an extended period, keep it at around 40–60% charge before storage.
• Clean the battery contacts periodically with a dry cloth to maintain stable power delivery.
• Do not puncture, crush, or expose the battery to water or high humidity.

Frequently Asked Questions