Replacement Battery for Bose SoundLink I II III - High Capacity 11.1V

In this review the Rapthor high-capacity replacement battery is evaluated for owners of older Bose portable speakers who need longer runtime and a straightforward swap. The bottom line: this pack is for anyone with a compatible SoundLink or SoundTouch 20 model who wants roughly 20% more capacity than common replacements and a simple DIY install - the package even includes a screwdriver to open most speaker cases. It performs well for casual listening and travel, though reported runtime varies with usage and some users have mixed results on longevity.

Key Features

• Wide compatibility: Works with multiple Bose model numbers including SoundLink 1, 2 and 3 and SoundTouch 20, so buyers can replace batteries across several portable speaker generations.
• Higher capacity: Rated at 33300mWh (33.3Wh) and 11.1V, the pack offers about 20% more capacity than many aftermarket units, which can extend listening time per charge.
• Protection circuitry: Built with protections against over-charge, over-discharge, over-heat, over-current and short circuit to help preserve the speaker and battery safety during use.
• Included DIY tool: The package includes a screwdriver to simplify installation, making the swap possible for owners comfortable with basic disassembly.
• Warranty support: Backed by a 12 month warranty and seller support for compatibility questions, giving buyers recourse if the battery is not suitable or fails early.

Who It's For

This replacement battery is best for owners of Bose SoundLink I, II, III and related SoundTouch portable models who want a cost effective way to restore mobility and get longer play time without buying a new speaker. It suits DIYers who are comfortable opening small consumer electronics and following basic reassembly steps using the provided screwdriver.

It is not ideal for users who need factory original parts or professional battery replacement services, or for those who expect consistent commercial-grade runtimes; a few customers report mixed battery life results, so buyers with critical uptime needs should consider professional service or factory options.

Pros & Cons

Pros

• Higher than typical aftermarket capacity for longer playback between charges.
• Good compatibility across many Bose portable speaker model numbers.
• Includes a screwdriver and has built-in protection features for safer use.
• One year warranty provides reasonable after-sales coverage.

Cons

• Battery life reports are mixed among users, so real-world longevity may vary.
• Installation requires basic disassembly and may not suit those who prefer ready-installed replacements.

Specifications

Our Verdict

The Rapthor replacement battery is a practical, valuefocused option for owners of compatible Bose SoundLink and SoundTouch models who want extended playback and a DIY replacement path. It delivers higher capacity and useful safety features at a reasonable price, though actual runtime can vary; buy it if you are comfortable with basic disassembly and want to extend the life of an older portable speaker.

Frequently Asked Questions

Will this battery fit my SoundLink 2?
Yes, the battery is listed as compatible with SoundLink 2 and other SoundLink I/II/III models, but verify your speaker model number before ordering.

Does the package include tools?
Yes, one free screwdriver is included to assist with the DIY installation for most compatible speakers.

What warranty and protections are included?
The battery includes built-in protection circuits against common faults and a 12 month seller warranty for defects or early failures.