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!

REALWEAR B21G Battery Replacement

Power up your device with the Realwear B21G 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 B21G Compatible with Realwear B21G

Click image to open expanded view

Price: £66.99 £95.70
  • Model: B21G
  • SKU: 22KK266_Oth
  • Availability: In Stock
  • Capacity: 2600mAh/10Wh
  • Voltage: 3.87V
  • Type: Rechargeable Li-ion
  • 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

BA4050
-30%
UNISTRONG

BA4050 for UniStrong BA4050 GPS

£72.99 £104.27
Availability : Out of Stock
  • Capacity: 4050mAh/30.78Wh
  • Voltage: 7.6V
IBS019NA
-30%
VERIFONE

IBS019NA for VeriFone T650C Credit Card Reader

£23.99 £34.27
Availability : In Stock
  • Capacity: 1000mAh/7.4Wh
  • Voltage: 7.4V
18650-2200MAH-7.4V2S1P
-30%
GPRINTER

18650-2200MAH-7.4V2S1P for GPRINTER GP-M322 PT260 PT380

£19.99 £28.56
Availability : In Stock
  • Capacity: 2000mAh/14.8Wh
  • Voltage: 7.4V
PB002
-30%
PEGATRON

PB002 for Pegatron PB002 CABLE MODEM

£20.50 £29.29
Availability : In Stock
  • Capacity: 2200mAh/15Wh
  • Voltage: 7.2V
PT114765
-30%
XIAOMI

PT114765 for XIAOMI PT114765

£33.99 £48.56
Availability : In Stock
  • Capacity: 5000mAh/19Wh
  • Voltage: 3.8V
NCA103450
-30%
PANASONIC

NCA103450 for PANASONIC CGA103450A with Breaker

£125.00 £178.57
Availability : In Stock
  • Capacity: 2350mAh
  • Voltage: 3.7V
NZXJ-C
-30%
EZVI

NZXJ-C for EZVI BC1

£37.99 £54.27
Availability : In Stock
  • Capacity: 9900mAh/36.63Wh
  • Voltage: 3.7V
RS-RH5272 812037
-30%
BMZ

RS-RH5272 812037 for RS-RH5272 812037

£189.99 £271.41
Availability : In Stock
  • Capacity: 2250mAh/33.4Wh
  • Voltage: 14.9V
C107
-30%
SERCOM

C107 for SERCOM Spectrum modem ES4251

£45.99 £65.70
Availability : In Stock
  • Capacity: 7671mAh/56Wh
  • Voltage: 7.3V
BP02
-30%
SYRP

BP02 for Syrp BP02

£75.49 £107.84
Availability : Out of Stock
  • Capacity: 2600mAh 28.9Wh
  • Voltage: 11.1V
T8520
-30%
EUFY

T8520 for EUFY T8520 Outdoor surveillance camera

£43.49 £62.13
Availability : Out of Stock
  • Capacity: 9300mah/33.759Wh
  • Voltage: 3.63V
SATURN1000
-30%
CASTLE

SATURN1000 for CASTLE Technology S1F2

£33.99 £48.56
Availability : In Stock
  • Capacity: 5840mAh/21.316Wh
  • Voltage: 3.65V

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