Instructions for using the Shure AXT903 and AXT904 charger, including operation, safety, specs, and troubleshooting.
The Shure AXT903/AXT904 charger provides a compact desktop solution for charging two Shure wireless transmitter batteries. It features a modular design, status LEDs, fast‑charge capability (50% in 1 hour, full charge in 3 hours), and a recovery mode for deeply discharged batteries.
The manual covers charger setup, battery insertion and removal, indicator meanings, module replacement, safety warnings, technical specifications, and FCC/CE compliance information. This manual is written in Chinese.
| Maximum batteries supported | 2 lithium‑ion batteries (AXT910/AXT920/920SL) |
|---|---|
| Charge time to 50 % capacity | 1 hour |
| Charge time to 100 % capacity | 3 hours |
| Operating temperature range | -18 °C to +40 °C |
| Battery charging temperature range | 0 °C to 60 °C |
| Storage temperature range | -29 °C to 74 °C |
| Dimensions (HxWxD) | 45 mm × 86 mm × 114 mm |
| Weight (without batteries) | 350 g |
It takes about 1 hour to reach 50 % charge.
The red light indicates the charger is in recovery mode after a deep discharge.
The battery must be below 45 °C to achieve a full 100 % charge.