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FYIOGXG Replacement Battery for Sennheiser 508494, 508497, XSW-D 1000mAh 3.7V
Replacement lithium-polymer battery for Sennheiser 508494, 508497, RX XLR, TX XLR and XSW-D, 1000 mAh at 3.7 V
- Specifications53.40 x 14.40 x 14.40
- Typelithium_polymer
- Battery Pack53.40 x 14.40 x 14.40
- Battery Typelithium_polymer
- Battery Capacity1000 milliamp_hours
- Battery Voltage3.7 volts_of_alternating_current
- Compatible with Sennheiser 508494, 508497, XSW-D, RX XLR, TX XLR
- 1000 mAh capacity at 3.7 V for reliable wireless runtime
- Lithium-polymer cell with overcharge, over-discharge and short-circuit protection
- Compact 53.40 x 14.40 x 14.40 mm form factor fits original housing
- ISO 9001, RoHS and CE certified for quality and safety assurance
Replacement Battery for Sennheiser 508494 and 508497
This lithium-polymer cell replaces the original Sennheiser 14500CY-850 pack in XSW-D, RX XLR and TX XLR wireless units. It delivers 1000mAh at 3.7V and weighs 23.0g. The fully decoded chip communicates with the host exactly like the factory battery.
Steady Output During Long Sessions
The 1000mAh capacity supports extended recording or performance periods without the voltage sag seen in aged cells. Built-in protection guards against overcharge, over-discharge, over-voltage and short circuits, so output remains stable across the full discharge curve. ISO9001, RoHS and CE certification confirm consistent manufacturing quality.
Upgrade from Depleted or Swollen Originals
Install this pack when the original no longer holds a full charge or shows physical swelling. It restores the runtime the system was designed for without modifying the device. Users who need higher capacity than 1000mAh or a different form factor will not be served by this model.
Highlights
- Compatible with Sennheiser 508494, 508497, XSW-D, RX XLR, TX XLR
- 1000 mAh capacity at 3.7 V for reliable wireless runtime
- Lithium-polymer cell with overcharge, over-discharge and short-circuit protection
- Compact 53.40 x 14.40 x 14.40 mm form factor fits original housing
- ISO 9001, RoHS and CE certified for quality and safety assurance
Specifications
| Brand | FYIOGXG |
|---|---|
| Model | Replacement for |
| Specifications | 53.40 x 14.40 x 14.40 |
| Type | lithium_polymer |
| Battery Pack | 53.40 x 14.40 x 14.40 |
| Battery Type | lithium_polymer |
| Battery Capacity | 1000 milliamp_hours |
| Battery Voltage | 3.7 volts_of_alternating_current |
Questions about this item
Does the 3.7 V lithium-polymer cell generate noticeable heat during a full day of wireless use?
The 1000 mAh pack runs at a low 3.7 V, so heat build-up stays minimal even after hours of continuous transmission.
Which Sennheiser part numbers must my transmitter or receiver already carry for this battery to fit?
It replaces Sennheiser 14500CY-850 and fits devices marked 508494, 508497, RX XLR, TX XLR or XSW-D.
Will the 53.40 x 14.40 mm form factor slide into my existing Sennheiser XSW-D bodypack without modification?
Yes, the dimensions match the original 14500CY-850 cell, so it seats directly in the XSW-D battery compartment.
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