CS Replacement Battery for Bose 404600 & SoundLink Series — 11.1V 2200mAh

Overview

The CS Replacement Battery is designed to bring dependable, long-lasting power to your Bose portable speakers. This 11.1V, 2200mAh cell mirrors the 24.4Wh energy capacity of the original, delivering consistent performance across compatible models while you’re listening at home, on the go, or during a relaxed gathering.

Designed for straightforward replacement, the battery supports plug-and-play use with common Bose parts and models. Real-world use often means extended playback sessions between charges and the freedom to place your speaker where you enjoy music most, without worrying about sudden power loss.

Compatibility at a glance

• Compatible with Bose models including SoundLink, SoundLink II, SoundLink III, SoundLink 2, and SoundTouch 20
• Direct substitutes for original part numbers: 330105, 330105A, 330107, 330107A, 359495, 359498, 404600, 404900
• Important: Please disassemble your device to confirm the original battery model matches this product

What you get and key benefits

• 11.1V nominal voltage and 2200mAh capacity for reliable power under a variety of listening scenarios
• Five safety protection layers, including overcharge, over-discharge, short circuit, overcurrent, and temperature control
• RoHS-compliant materials with no mercury or lead; designed for sustainability
• Long cycle life (500+ cycles) with stable discharge behavior to minimize performance drop
• Environmentally friendly lithium-ion chemistry with no memory effect; charge as needed
• Direct, plug-and-play replacement to minimize downtime and preserve audio quality

Quality you can trust

CS focuses on precise compatibility and consistent performance. Each cell is matched for voltage and energy output to align with original battery behavior, helping you maintain audio quality and device compatibility. If you’re unsure, send details or pictures and our team will offer guidance at no charge.

Care, maintenance, and usage tips

• Charge every 3 months if the device is stored for long periods to maintain activity
• Avoid fully discharging before recharging to maximize cycle life
• Keep away from extreme heat and moisture for best results
• If you’re unsure about compatibility, email us with device details or pictures for guidance

Note: This battery is a replacement option designed to support your Bose speakers’ performance. For assistance, contact CS customer support; we’re dedicated to helping you verify compatibility and answer questions within 24 hours.