This 3.7 V 2000 mAh Li-ion battery is a compatible replacement for Fly BL4257. Compare the number printed on your current battery, its voltage, chemistry, dimensions and connector before ordering.
Special Order - Non-Cancellable - Non-Returnable - Additional Lead Time May Be Required On This Item.
- Included: One replacement battery pack.
- Replaces battery number: Fly BL4257
Battery specifications
| Voltage | 3.7 V |
|---|---|
| Capacity | 2000 mAh |
| Chemistry | Li-ion |
| Energy | 7.4 Wh |
| Dimensions | 70.00 x 59.90 x 4.40mm |
| Battery weight | 36.6 g /1.29 oz |
Replacing your Fly BL4257 battery
Compare the connector shape, wire arrangement and polarity with your original battery. Check all listed specifications; a similar model name or matching voltage alone does not confirm a fit.
Compatible equipment models
- MyPhone: A919i Dual
- Fly: Vista, iq451
- Micromax: A114, A115, A116, A117, A210, A90, A92, Canvas 3D A115, Canvas 4 A210, Canvas HD A116, S9101
- T-KING: K1391
- Explay: X-Tremer
- Wiko: Cink Five, Darknight, N300, N350, Stairway
Replacement battery numbers
- Fly: BL4257
- T-KING: K1391
- Wiko: CINK FIVE, STAIRWAY
Need help matching your battery?
Contact Rocket Distributing with your equipment model and a photo of the battery label and connector.
Additional compatibility details
X-Longer