NB4 Base Battery (3.7V/4300mAh) (NB4/NB4+) - FSY-NB4+-CDBZJ-0800

Keep your transmitter powered up through the longest main events with this genuine replacement base battery for the Flysky Noble series.

The Flysky Noble NB4 and NB4+ transmitters utilize a unique dual-battery system, and this 4300mAh base battery serves as both the physical stand and the primary power reservoir for your radio. If your current base battery is losing its capacity or you need a hot-swappable backup for long weekend events, this direct replacement part gets your radio back to full runtime.

This base battery slides onto the bottom of your Noble transmitter handle, locking securely into place. It charges the smaller internal battery in the transmitter handle while installed, ensuring you do not run out of power during critical track sessions.

Why You'll Love It

• Extended Runtime: The 4300mAh capacity provides hours of continuous operation, allowing you to focus on tuning and driving rather than battery levels.
• Dual-Battery Integration: Works seamlessly with the Noble handle's internal battery, functioning as a mobile power bank to keep the main unit charged.
• Secure Lock Design: Slides and locks firmly onto the base of the transmitter handle, maintaining a solid physical connection and providing a stable base when setting your radio down.

Specifications

• Voltage: 3.7V
• Capacity: 4300mAh
• Compatibility: Flysky Noble NB4 and Noble NB4+ transmitters

What's In The Box

• (1) Flysky 3.7V 4300mAh Base Battery

Note: Charge this base battery fully before attaching it to your Noble transmitter handle. Always store lithium batteries at storage voltage when not in use for extended periods.