NP99sp NewPower99 Battery Kit for JBL Pulse 3 - Extended Life

In this review the NP99sp NewPower99 Battery Kit is judged on whether it brings a tired JBL Pulse 3 back to reliable portable use. The bottom line: this kit is best for owners who want a straightforward, do-it-yourself battery replacement that restores long run time without a service center visit. It includes a high capacity 6000 mAh cell, free opening tools and a step-by-step video so even a careful novice can follow along, making battery life the single biggest reason to buy.

Key Features

• High capacity battery: The 6000 mAh lithium-ion replacement provides significantly longer runtime compared with the original battery, so the speaker can hold a charge for more listening between charges.
• Complete replacement kit: The package includes the NewPower99 battery plus free special tools, so users have everything needed to open and service the JBL Pulse 3 without hunting for separate tools.
• Step-by-step video: A how-to video is provided to clearly show how to open the device and replace the battery, reducing the risk of error during installation.
• Compatibility assurance: The kit is designed to work with the JBL Pulse 3 Speaker (APJBLPULSE3 2017DJ1714 P5542100-P) Version 1, so buyers know it targets that specific model.
• One year guarantee: The battery is covered for one full year, offering buyers a warranty window for early failures or defects after installation.

Who It's For

The kit is ideal for Pulse 3 owners who are comfortable following visual instructions and want to extend the life of a favorite speaker rather than replacing the whole unit. It suits hobbyists and practical users who prefer a lower-cost repair and want the convenience of included tools.

It is less suitable for people who are unwilling to open electronics, those who need factory service documentation, or owners of Pulse 3 revisions other than Version 1; if you prefer manufacturer service or cannot perform a guided repair, a professional repair option may be a better fit.

Pros & Cons

Pros

• Restores long runtime thanks to the extended 6000 mAh capacity.
• Comes with free special electronics opening tools so no extra purchases are required.
• Clear video instructions make the replacement approachable for non-experts.
• One year guarantee provides warranty protection after purchase.

Cons

• Requires the user to open the speaker, so those uncomfortable with DIY repairs should seek professional help.

Specifications

Product	Battery replacement kit for JBL Pulse 3
Battery capacity	6000 mAh
Cell type	Lithium-Ion
Includes	Battery, free special tools, video instructions
Compatibility	JBL Pulse 3 Speaker (Version 1)
Warranty	One full year guarantee

Our Verdict

The NP99sp NewPower99 Battery Kit is a practical, cost-effective way to revive a JBL Pulse 3 Speaker without sending it to a shop. For owners of the correct model who can follow a guided teardown, it delivers extended run time, necessary tools and a helpful instructional video, making it good value compared with replacement speaker cost.

Frequently Asked Questions

Will this work in my Pulse 3?
Yes, the kit is made for the JBL Pulse 3 Speaker Version 1 models listed and is not guaranteed for other revisions.

Are tools included to open the speaker?
Yes, the package includes free special electronics opening tools required for the replacement.

Is there a warranty if the battery fails?
Yes, the battery is covered by a one year guarantee from the date of purchase.