XVive U3 Battery Replacement Kit – Restore Wireless Performance

The XVive U3 Battery Replacement Kit (BU3) is built for owners of the XVive U3 Dynamic Microphone Wireless System who want to refresh battery life and reliability. This model supplies all the parts and tools needed for a quick swap of old, depleted batteries—helping your wireless gear run smoothly on stage, in the studio, or during practice. Choosing the BU3 kit means using the official, manufacturer-recommended components for dependable power and safety in the U3 series.

All-in-One DIY Solution

What stands out is the inclusion of both transmitter and receiver batteries, along with antenna caps and tools required for replacement. Safe charging and consistent reliability are supported by the control circuit in each battery—an important feature for demanding audio applications. The packaging ensures step-by-step replacement is simple and convenient.

Kit Contents and Key Functional Specs

Reliable operation in wireless setups depends on strong batteries and proper installation. To support this, the BU3 kit provides:

• Transmitter/Receiver Batteries: 2 x 860 mAh, 3.7 V lithium-polymer (3.18 Wh) — delivers the correct power for both units
• With a precision safety circuit, each battery is protected for efficient charging and usage
• DIY Tools: Screwdriver, adhesive tape, and spare antenna caps — everything required for installation is included