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FYIOGXG ALPHA1100 900mAh 3.7V battery for 3M TAC300 TAC500
Replacement lithium-polymer battery for 3M TAC300, TAC300-OTH and TAC500 headsets, 900 mAh at 3.7 V, 51.75 × 36.70 × 13.36 mm
- Specifications51.75 x 36.70 x 13.36
- Typelithium_polymer
- Battery Pack51.75 x 36.70 x 13.36
- Battery Typelithium_polymer
- Battery Capacity900 milliamp_hours
- Battery Voltage3.7 volts
- Compatible with 3M TAC300, TAC300-OTH and TAC500 headsets
- 900mAh capacity delivers 3.33Wh of energy
- Lithium-polymer chemistry at 3.7V nominal voltage
- Compact 51.75 x 36.70 x 13.36mm size fits original slot
- Built-in protection against overcharge, over-discharge and short circuits
Compatible replacement for 3M TAC headsets
This lithium-polymer battery replaces the original cell in 3M TAC300, TAC300-OTH and TAC500 wireless headsets. It matches the factory dimensions of 51.75 x 36.70 x 13.36 mm and weighs 30.4 g. A built-in protection circuit guards against overcharge, over-discharge, over-voltage and short circuit. The pack is certified to ISO9001, RoHS and CE standards.
Sustained capacity delivery
Rated at 900 mAh and 3.33 Wh, the cell maintains a steady 3.7 V output during extended talk time rather than only in short bursts. The decoded chip communicates with the headset exactly as the original does, so the fuel gauge remains accurate over repeated cycles. Performance stabilises after two or three full charge and discharge cycles.
3.7 V 900 mAh form factor
The single specification that decides fit is the 3.7 V, 900 mAh lithium-polymer pack in the 51.75 x 36.70 x 13.36 mm footprint. If your headset requires a different voltage, capacity or physical size, this battery will not work.
Highlights
- Compatible with 3M TAC300, TAC300-OTH and TAC500 headsets
- 900mAh capacity delivers 3.33Wh of energy
- Lithium-polymer chemistry at 3.7V nominal voltage
- Compact 51.75 x 36.70 x 13.36mm size fits original slot
- Built-in protection against overcharge, over-discharge and short circuits
Specifications
| Brand | FYIOGXG |
|---|---|
| Model | Replacement for |
| Specifications | 51.75 x 36.70 x 13.36 |
| Type | lithium_polymer |
| Battery Pack | 51.75 x 36.70 x 13.36 |
| Battery Type | lithium_polymer |
| Battery Capacity | 900 milliamp_hours |
| Battery Voltage | 3.7 volts |
Questions about this item
Does the 3.7 V 900 mAh lithium-polymer cell run hot during a full day of use in a 3M TAC500 headset?
The 3.7 V 900 mAh lithium-polymer pack is designed to the original 3M specifications and includes over-voltage and short-circuit protection, so it stays at normal operating temperature during extended shifts.
What must I already own to install this ALPHA1100 replacement battery in my headset?
You need a compatible 3M TAC300, TAC300-OTH or TAC500 wireless headset and a small screwdriver to open the battery compartment and reconnect the existing connector.
Will this 51.75 × 36.70 × 13.36 mm pack fit the original battery cavity of my older TAC300-OTH unit?
Yes, the dimensions and 30.4 g weight match the OEM cell exactly, so it slides into the same cavity and connects to the original wiring without modification.
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