Shure SB900B Rechargeable Lithium-Ion Battery

Compatible with Axient Digital (AD1, AD2 & AD3), ULX-D and QLX-D Wireless, and PSM 1000, PSM 900 and PSM 300 (P3RA) Personal Monitoring systems.

• Smaller and lighter than other rechargeable batteries, proving ideal for portable devices
• 4.59 Wh battery energy for dependable, convenient usage
• 12 Hour maximum battery runtime helps you stay unwired and work longer non-stop
• Delivers 3.7 V DC to your compatible transmitter, ensuring that your device is ready to use when needed
• Rechargeable battery - Lasts longer on a single charge than its disposable counterparts
• 1240 mAh battery capacity allows longer, charged usage in a dependable manner with maximum feasibility
• Never run out of power and keep your transmitter operational