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

YCR-MT12-S1
-30%
COHN

YCR-MT12-S1 for COHN YCR-MT12-S1

£45.99 £65.70
Availability : In Stock
  • Capacity: 5200mAh/75.5Wh
  • Voltage: 14.52V
509067-3S1P
-30%
RTDPART

509067-3S1P for RTDPART 509067-3S1P

£49.99 £71.41
Availability : In Stock
  • Capacity: 4500mAh/51.3Wh
  • Voltage: 11.4V
S04-LI-148-660
-30%
ECOVACS

S04-LI-148-660 for Ecovacs W830/833/836/850/860/880/950

£24.00 £34.29
Availability : In Stock
  • Capacity: 650mAh/9.62Wh
  • Voltage: 14.8V
U455160
-30%
NEWLAND

U455160 for NEWLAND ME60

£30.99 £44.27
Availability : In Stock
  • Capacity: 2000mAh/7.6Wh
  • Voltage: 3.8V
HM-3644DC
-30%
HIKMICRO

HM-3644DC for Hikmicro HM-3644DC

£34.99 £49.99
Availability : In Stock
  • Capacity: 4400mAh/15.84Wh
  • Voltage: 3.6V
403855
-30%
DESAY

403855 for DESAY T296/T299

£18.88 £26.97
Availability : In Stock
  • Capacity: 1000mAh/3.7Wh
  • Voltage: 3.7V
BAT-EDA52
-30%
HONEYWELL

BAT-EDA52 for Honeywell Data Collector 50183310-001

£27.99 £39.99
Availability : In Stock
  • Capacity: 4500mAh
  • Voltage: 3.8V
HC03
-30%
DAHUA

HC03 for DAHUA HC03

£19.16 £27.37
Availability : In Stock
  • Capacity: 4200mAh/15.12Wh
  • Voltage: 3.6V
E200NP
-30%
MAXELL

E200NP for MAXELL TWSME200NP

£29.99 £42.84
Availability : In Stock
  • Capacity: 2900mAh/11.17Wh
  • Voltage: 3.85V
KR05310
-30%
LYNKCO

KR05310 for Lynkco 01 SOS TEM EC-H15

£18.88 £26.97
Availability : In Stock
  • Capacity: 1490mAh/5.4Wh
  • Voltage: 3.65V
SW18650
-30%
EUFY

SW18650 for Eufy security camera 2C

£20.99 £29.99
Availability : In Stock
  • Capacity: 5200mAh/19.24Wh
  • Voltage: 3.7V
SLTD364778
-30%
AKK

SLTD364778 for AKK A2

£36.99 £52.84
Availability : In Stock
  • Capacity: 2000mAh/8.7Wh
  • Voltage: 4.35V

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