SB900B Rechargeable Lithium‑Ion Battery — 1240mAh / 3.7V (4.59Wh) for Shure PP3RA, P9RA+, P10R+ Receivers and ULX‑D / ULX‑D1 / QLX‑D / AD Transmitters

Reliable 10‑Hour Runtime — The SB900B is a 1240mAh / 4.59Wh rechargeable lithium‑ion pack designed to deliver extended, all‑day power. It retains charge very well, with a self‑discharge rate below 1% per month. Compatibility — Provides direct power for Shure PP3RA (PSM300), P9RA+ (PSM900) and P10R+ (PSM1000) receivers, and is compatible with ULX‑D, ULX‑D1, QLX‑D and Axient Digital (AD) series transmitters — ideal for touring rigs and multi‑channel installs. Part numbers: PN:95A42465,95B42465. Direct Replacement — Functionally interchangeable with the SB900A and works with the same charging hardware and accessories. Performance Note — Actual battery runtime will vary depending on frequency band and transmitter output power. Certified Safety & Long Life — UL‑certified with built‑in protection against overcharge and overheating; rated for operation from 0°C to 45°C and engineered for 1000+ charge cycles. Meets and exceeds IEC 62133 portable power requirements. Rugged Tour Construction — IP54 dust and shock resistance for dependable use in demanding environments such as broadcast trucks and outdoor festival stages.