30% off all items on the site, 30 days money back, 1 year warranty

What Are You Looking For?

Your Cart

Your Shopping Cart is Empty!

XIAOMI BW31 Battery Replacement

Power up your device with the Xiaomi BW31 battery — engineered for compatibility, performance, and long-lasting reliability. Batteryshop.org.uk offers a wide range of trusted battery models to keep your gear running smoothly.

Battery BW31 Compatible with Xiaomi Band 8 Pro M230381 Redmi Watch3

Click image to open expanded view

Price: £18.88 £26.97
  • Model: BW31
  • SKU: 2511BA0217C_Oth
  • Availability: In Stock
  • Capacity: 289mAh/1.12Wh
  • Voltage: 3.87V
  • Type: Li-ion
  • Color: Black
  • Size: *mm(L x W x H)
  • Our batteries are 100% new and CE / FCC / RoHS certified for safety
  • We only use high quality materials and grade A cells to guarantee real capacity and higher recharge cycles.
  • Quick, friendly and hassle-free customer support and a full one-year warranty: if something goes wrong, we are at your disposal.
Quantity:
- +
Guarantee safe & Secure checkout
  • Free shipping apply to all
    orders over £ 9.9

  • Paypal guarantees 100%
    payment security

  • 30 days returns if you change
    your mind

BW54
HOT
BW54
XIAOMI Watch S2 46mm
£17.88 £25.54
BW53
HOT
BW53
Xiaomi Wtach S1 Pro
£18.99 £27.13
ZWD752728H
HOT
ZWD752728H
XIAOMI MITU 3C
£20.88 £29.83

Related Products

PL362332
-30%
HUAMI

PL362332 for HUAMI Bip 6 A2345

£17.88 £25.54
Availability : In Stock
  • Capacity: 340mAh/1.32Wh
  • Voltage: 3.87V
APP00289
-30%
SUUNTO

APP00289 for SUUNTO APP00289 Smart Watch 1ICP5/28/30

£19.99 £28.56
Availability : In Stock
  • Capacity: 450mAh/1.71Wh
  • Voltage: 3.8V
663032
-30%
OTHER

663032 for other Smart Watch

£22.38 £31.97
Availability : In Stock
  • Capacity: 650mAh/2.405WH
  • Voltage: 3.7V
361-00078-00
-30%
GARMIN

361-00078-00 for GARMIN FORERUNNER 920XT Running Watch

£20.50 £29.29
Availability : In Stock
  • Capacity: 325mAH/1.2Wh
  • Voltage: 3.7V
FB503
-30%
FITBIT

FB503 for Fitbit Ionic Smartwatch Ionic Battery

£22.49 £32.13
Availability : In Stock
  • Capacity: 195mAh
  • Voltage: 3.8V
LI3702T42P3H292833
-30%
ZTE

LI3702T42P3H292833 for

£19.99 £28.56
Availability : In Stock
  • Capacity: 1800mAh/6.66Wh
  • Voltage: 3.7V
SP452929SF 1ICP5/29/26
-30%
TICWATCH

SP452929SF 1ICP5/29/26 for Ticwatch Pro 4G Smartwatch

£35.49 £50.70
Availability : In Stock
  • Capacity: 415mAh/1.6Wh
  • Voltage: 3.85V
361-00064-00 361-00047-00
-30%
  • Capacity: 200mAh/0.74Wh
  • Voltage: 3.7V
361-00035-09
-30%
GARMIN

361-00035-09 for Garmin T5 mini TT 15 mini

£19.99 £28.56
Availability : In Stock
  • Capacity: 1200mAh/4.44Wh
  • Voltage: 3.7V
HB472023ECW
-30%
HUAWEI

HB472023ECW for Huawei WATCH GT2 42mm

£20.50 £29.29
Availability : In Stock
  • Capacity: 215mAh
  • Voltage: 3.82V
A1848
-30%
APPLE

A1848 for Apple SmartWatch Series 3 GPS + LTE 38mm

£20.50 £29.29
Availability : In Stock
  • Capacity: 279mAh/1.07Wh
  • Voltage: 3.82V
MT616 3027-29Y
-30%
SEIKO

MT616 3027-29Y for SEIKO MT616 3027-V1Z MT516F 3027-29Y

£28.99 £41.41
Availability : In Stock
  • Capacity:
  • Voltage:

Fast Delivery

Shipping to Most Countries

safe payment

Paypal Secure Payment

Online Discount

30% Off All Batteries

Help Center

Contact Our Customer Service

Curated items

From Handpicked Manufacturers