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

NOVKER-400
-30%
NOVKER

NOVKER-400 for NOVKER NK-3800 NK-4000 3000OTDR

£24.00 £34.29
Availability : In Stock
  • Capacity: 4000mAh/14.8Wh
  • Voltage: 3.7V
GEB821
-30%
LEICA

GEB821 for LEICA GEB821 879638

£296.99 £424.27
Availability : In Stock
  • Capacity: 3.35Ah/24.12Wh
  • Voltage: 7.2V
LIP-4WM
-30%
SONY

LIP-4WM for Sony Hi-MD MZ-RH1 MZ-EH1 MZ-NH1 NH3 M200 DH10

£24.00 £34.29
Availability : In Stock
  • Capacity: 500mAh/1.85Wh
  • Voltage: 3.7V
LIR2032
-30%
GETONG

LIR2032 for GETONG Badges,LED lights, toy lights

£20.88 £29.83
Availability : In Stock
  • Capacity: 45mAh
  • Voltage: 3.6V
APP00364
-30%
APACK

APP00364 for APack APP00364

£33.99 £48.56
Availability : In Stock
  • Capacity: 6260mAh/72.3Wh
  • Voltage: 11.55V
VB3300
-30%
OTHER

VB3300 for VB3300

£34.49 £49.27
Availability : Out of Stock
  • Capacity: 3300mAH 12.5Wh
  • Voltage: 3.8V
954642
-30%
HIKVISION

954642 for Hikvision 3-BT-V1.1

£24.00 £34.29
Availability : In Stock
  • Capacity: 2500mAh/9.5Wh
  • Voltage: 3.8V
113440P
-30%
HIKVISION

113440P for Hikvision 113440P

£21.00 £30.00
Availability : In Stock
  • Capacity: 1680mAh/6.216Wh
  • Voltage: 3.7V
CPM2A-BAT01
-30%
OMRON

CPM2A-BAT01 for Omron CPM2A CQM1H ER3V

£37.49 £53.56
Availability : In Stock
  • Capacity: 1000mah
  • Voltage: 3.6v
PB002
-30%
PEGATRON

PB002 for Pegatron PB002 CABLE MODEM

£20.50 £29.29
Availability : In Stock
  • Capacity: 2200mAh/15Wh
  • Voltage: 7.2V
BAT2081 BAT20801
-30%
LRIDIUM

BAT2081 BAT20801 for Iridium 9555 Satellite Phone

£39.99 £57.13
Availability : In Stock
  • Capacity: 2400mAh/8.88Wh
  • Voltage: 3.7V
UR14500AC
-30%
SANYO

UR14500AC for Sanyo UR14500AC 14500

£19.99 £28.56
Availability : In Stock
  • Capacity: 740mAh
  • Voltage: 3.7V

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