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!

FITBIT FB503 Battery Replacement

Power up your device with the Fitbit FB503 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 FB503 Compatible with Fitbit Ionic Smartwatch Ionic Battery

Click image to open expanded view

Price: £22.49 £32.13
  • Model: FB503
  • SKU: ECN12335_Wat_Oth
  • Availability: In Stock
  • Capacity: 195mAh
  • Voltage: 3.8V
  • Type: Li-Polymer
  • Color: Black
  • 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

Related Products

105080
-30%
XINNUAN

105080 for XINNUAN Telephone watch

£20.88 £29.83
Availability : In Stock
  • Capacity: 5000mAh
  • Voltage: 3.7V
361-00064-00
-30%
  • Capacity: 200mAh/0.74Wh
  • Voltage: 3.7V
361-00086-00  361-00086-23
-30%
  • Capacity: 180mAh
  • Voltage: 3.8V
A2277
-30%
APPLE

A2277 for APPLE IP IWatch Series 5 S5 40mm

£22.38 £31.97
Availability : In Stock
  • Capacity: 245mAh/0.944WH
  • Voltage: 3.85V
HB672836EEW
-30%
HUAWEI

HB672836EEW for Huawei GS PRO

£22.38 £31.97
Availability : In Stock
  • Capacity: 790mAh/3.04WH
  • Voltage: 3.85V
3022.65Y CTL920F
-30%
SEIKO

3022.65Y CTL920F for SEIKO E210 E310 E600 E610

£58.99 £84.27
Availability : In Stock
  • Capacity:
  • Voltage:
HB442528EBC
-30%
HUAWEI

HB442528EBC for Huawei Watch 1ICP5/25/28

£38.49 £54.99
Availability : In Stock
  • Capacity: 300MAH/1.14Wh
  • Voltage: 3.8V
GB-S10-432830-020H J18405
-30%
SONY

GB-S10-432830-020H J18405 for Sony Smart Watch

£27.50 £39.29
Availability : In Stock
  • Capacity: 400mAh/1.52Wh
  • Voltage: 3.8V
A1579
-30%
APPLE

A1579 for Apple i Watch 7000

£20.50 £29.29
Availability : In Stock
  • Capacity: 246mAh/0.93Wh
  • Voltage: 3.78V
LSSP482230AB
-30%
SAMSUNG

LSSP482230AB for SAMSUNG Galaxy Gear 1 SM-V700

£28.99 £41.41
Availability : In Stock
  • Capacity: 315mah
  • Voltage: 3.7V
295-7580 CTL920F
-30%
CITIZEN

295-7580 CTL920F for Watch Solar powered watch special

£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