Fancy Buying Battery for Bose SoundLink II/III 11.1V 2342mAh

Fancy Buying replacement battery for Bose SoundLink II/III and SoundTouch 20 is an 11.1V, 2342mAh lithium pack designed to restore portable playback and safe charging to compatible Bose speakers.

If your Bose SoundLink or SoundTouch speaker no longer holds charge or shuts off early, this direct-replacement battery restores run-time while matching the original form, voltage and connector specifications. The pack is built from grade-A cells with integrated circuit protection and factory testing to ensure reliable charging behavior and low self-discharge. It fits multiple official Bose part numbers and models, making it a straightforward swap for common SoundLink II/III and SoundTouch 20 variants.

Which Bose models and part numbers will this battery fit?

This battery is compatible with a range of SoundLink and SoundTouch models listed by their common part numbers. It replaces OEM numbers and works with both SoundLink Bluetooth Mobile Speaker II/III and SoundLink 2/3 families, plus SoundTouch 20 variants where the same pack is used.

• Voltage: 11.1V, Capacity: 2342mAh / 26Wh
• Replaces part numbers: 0330105, 0330107, 330105, 330105A, 330107, 330107A, 359495, 359498, 404600, 404800, 404900, 414255
• Compatible with: Bose SoundLink III, SoundLink II/III Bluetooth Mobile Speaker, SoundLink 2, SoundLink 3, SoundTouch 20

How does the battery perform and is it safe to use?

The pack uses grade-A lithium cells selected for consistent charge acceptance and lower self-discharge than older packs. Built-in circuit protection helps prevent overcharge, over-discharge and short-circuit events, and every unit undergoes factory testing before shipment.

• Grade-A cells for steady charging and longer cycle life
• Built-in protection circuitry for safer operation
• Factory-tested to verify voltage and capacity prior to shipping

What should I expect during installation and daily use?

Installation typically requires opening the speaker’s battery compartment and exchanging the old pack for this replacement; follow Bose or third-party disassembly guidance if you’re unfamiliar. Once installed, charging and battery level reporting should behave like the original battery, restoring typical portable playback times depending on volume and source.

• Form-factor and connector match to original Bose packs
• Normal charging via your speaker’s existing charging method
• Playback time depends on volume, audio source, and speaker condition

What warranty and return options come with this pack?

Fancy Buying includes a 60-day return window and a 12-month replacement warranty for defects or early failures. If you need help, contact the seller through the store's "ask a question" link and provide order details for faster support.

• 60-day return period from delivery date
• 12-month replacement warranty for manufacturing defects
• Customer support through the seller store contact form

Who is this for: This battery is aimed at owners of compatible Bose SoundLink II/III and SoundTouch 20 speakers who want an OEM-style replacement to restore battery life without replacing the entire speaker. It's suitable for DIY installers comfortable with basic electronics swaps, repair shops updating customer units, and anyone seeking a tested, safety-protected pack that follows original voltage and capacity specifications.