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3.7V 420mAh 402050 042050 382250P Li-Polymer Battery Taipower Replacement Cell for MP3 X19 Voice Recorder Registrar Parts
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Model: 402050
Type: Lithium battery
Capacity: 420mAh
Rechargeable:YES
Charging Voltage: 4.2V
Rated Voltage: 3.7V
Working Temperature: -10°~50°
Dimensions(L*W*H): About 50x20x4mm/1.97x0.79x0.16"






Key specifications
- Product type: rechargeable Li-Po polymer battery
- Model / part number: 402050
- Voltage: 3.7V
- Capacity: 420mAh
- Ordering check: confirm dimensions, connector polarity and device compatibility before purchase.
Compatibility and ordering check
Match the model number, voltage, capacity, dimensions and connector before ordering. If replacing an existing pack, compare the label and plug orientation with your original battery.
FAQ
- How do I confirm this product fits my device?
- Check model number, voltage, capacity, size and connector against your original part before purchase.
- Can this battery be used with any charger?
- Use only a charger that matches the battery chemistry, voltage and connector requirements.
Safety note
Do not short-circuit, puncture, crush or expose batteries to fire or water. Stop using the battery if it swells, leaks, overheats or shows visible damage.