Shure SB904 Rechargeable Lithium-ion Battery Pack Certified Open Box

Name: Shure SB904 Rechargeable Lithium-ion Battery Pack
Brand: Shure
Rating: 5 (7 reviews)

Rechargeable Lithium-ion Battery for GLX-D+ Series Transmitters

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Item ID: SB904d1

Shure SB904 Rechargeable Lithium-ion Battery Pack

Certified Open Box Savings!

Save $3.90 What is Certified Open Box?

The price below reflects your savings.

Savings:

.90

New for $39.00

Condition Notes:

This returned item is in excellent condition and is in perfect working order. This item ships in its original factory packaging.

This item was thoroughly inspected by our factory-authorized service team and is backed by Sweetwater's exclusive 2-year warranty. The images shown do not necessarily represent the condition of this particular item.

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End Battery Life Uncertainty

Sweetwater knows that battery life is always a concern for wireless users. Thankfully, GLX-D+ users have a reprieve — the Shure SB904 rechargeable lithium-ion battery. Explicitly designed for GLX-D+ transmitters, this battery offers a vastly improved runtime over previous generations, quickly reaching 12 hours of operation. You can perform from sunrise to sunset with that much time at your disposal. The SB904 is lightweight, compact, and easy to store in your equipment bag. Keep a few charged-up SB904s on hand, and you’ll never have to worry about your battery life again.

Note: The SB904 Rechargeable Battery is not backward compatible with previous GLX-D transmitters. Please contact your Sweetwater Sales Engineer if you have any questions.

Shure SB904 Features:

Rechargeable battery for Shure GLX-D+ transmitters
12-hr. battery life lets you perform all day
Low-profile design makes for compact storage

What is Certified Open Box Gear?

At Sweetwater, we're so picky that what we call "Certified Open Box" is actually better than what most music retailers sell as "new" gear! Our gear hasn't endured hundreds of people a week plunking away at all the keyboards, fumbling through Stairway to Heaven on every guitar or playing with every fader and knob on a mixer or control surface.

Certified Open Box (also known as a demo) means we’ve had it out of the box for our YouTube channel, displayed at events, tested in our studio, or maybe it was in a customer’s hands for a few days and isn’t ‘factory fresh’ as a result. Every Certified Open Box item we sell has Sweetwater’s 2-year Total Confidence Coverage™ warranty and has been tested and verified up to ‘new’ specs by our factory-authorized technicians to make sure it’s in perfect working order before we ship it to you.

When you buy a Certified Open Box item at Sweetwater, you get:

2-year Total Confidence Coverage Warranty™!
Products inspected and tested by our factory-authorized techs, guaranteed to function like new (or better)!
FREE shipping on most items
Equipment that will MEET or EXCEED your expectations!

Click HERE to browse our current inventory of Certified Open Box equipment. Purchasing Certified Open Box gear from Sweetwater is a smart and safe way to save!

Resources

Wireless Microphone Buying Guide

The Ultimate Guide to Wireless Systems for Guitarists ft. Scott Uhl

Feb 24, 2026

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Tech Specs

Type: Lithium-ion Rechargeable
Compatibility: Shure GLXD+
Size: Battery Pack
Voltage: 3.6V
Capacity: 2420mAh
Watt-hours: 8.71Wh
Rechargeable: Yes
Quantity: 1
Manufacturer Part Number: SB904

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I bought this to have an extra if my primary runs out of juice and I don't have time to charge. I recommend having a charged back up if you're a gigging musician. You never know when things can go wrong at a show.

Really glad I got this from Sweetwater as a backup. As always Sweetwater comes through as the best most dependable knowledgeable Music Gear store. I don't know what I would do without them!

Hi, as a back up to the original battery, but so far, haven't needed it but great to have just in case great battery, though they seem to last forever

Shure has a thing or two to teach the 9V & AA battery makers of the world. I purchased this extra battery for my new GLX-D+ pedal wireless system simply because you ALWAYS have an extra battery with you at rehearsals and gigs. These batteries could give the Energizer Bunny a run for his money. I charged the original battery that came with the system all the way to full charge when I got it. I have played two rehearsals and one gig and that battery is still almost fully charged. Needless to say, I am impressed. No regrets about having an extra though. Get one!