A USB charger converts high-voltage AC from a wall outlet into low-voltage DC to safely power devices, with different types and standards affecting speed, compatibility, and efficiency.
How USB Chargers Work
A USB charger takes electricity from a wall outlet (typically 120V in North America or 230V in Europe) and converts it into a safe, low-voltage DC current suitable for devices like smartphones, tablets, and laptops. Inside, key components include:
Transformer: Reduces high AC voltage to a lower level.
Rectifier: Converts AC to DC, which batteries require.
Filter: Smooths the current to prevent electrical noise and ensure stable charging.
Modern chargers often include smart chips that communicate with devices to negotiate the optimal voltage and current, enabling fast charging without damaging batteries.
USB Chargers
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GIZZU Universal Travel Adapter
Original price was: R113,85.R103,50Current price is: R103,50. Add to basket - Sale!
Gizzu 2-Port 20W GaN Wall Charger
Original price was: R148,35.R134,86Current price is: R134,86. Add to basket - Sale!
Gizzu 2-Port 30W GaN Wall Charger
Original price was: R182,85.R166,23Current price is: R166,23. Add to basket - Sale!
Xiaomi 22.5W Fast Charge Power Adapter (Type-A)-White
Original price was: R205,85.R187,14Current price is: R187,14. Add to basket - Sale!
WINX POWER Essential Type-C 20W GaN Wall Charger
Original price was: R205,85.R187,14Current price is: R187,14. Add to basket - Sale!
WINX POWER Fast Type-C 35W GaN Wall Charger
Original price was: R274,85.R249,86Current price is: R249,86. Add to basket - Sale!
WINX POWER More 35W GaN Wall Charger
Original price was: R320,85.R291,69Current price is: R291,69. Add to basket - Sale!
Xiaomi 33W Nano USB Type-C Charger-White
Original price was: R343,85.R312,59Current price is: R312,59. Add to basket - Sale!
Gizzu 2-Port 45W GaN Wall Charger
Original price was: R343,85.R312,59Current price is: R312,59. Add to basket - Sale!
GIZZU Wall Charger Type C 36W PD QC3.0 18W – White
Original price was: R366,85.R333,50Current price is: R333,50. Add to basket - Sale!
Gizzu 2-Port 65W GaN Wall Charger
Original price was: R378,35.R343,95Current price is: R343,95. Add to basket - Sale!
WINX POWER Pro Type-C 65W GaN Wall Charger
Original price was: R493,35.R448,50Current price is: R448,50. Add to basket - Sale!
WINX POWER Max 65W GaN Wall Charger
Original price was: R608,35.R553,05Current price is: R553,05. Add to basket - Sale!
Xiaomi 45W Nano Turbo Power Adapter (2 port)
Original price was: R631,35.R573,95Current price is: R573,95. Add to basket - Sale!
Port Connect 65W GaN Type-C and USB-A Fast Charger
Original price was: R688,85.R626,23Current price is: R626,23. Add to basket - Sale!
Xiaomi 90W HyperCharge 3-Port Fast Charger – White
Original price was: R803,85.R730,77Current price is: R730,77. Add to basket - Sale!
Port Connect 65W Type-C GaN Universal Charger
Original price was: R1 033,85.R939,86Current price is: R939,86. Add to basket - Sale!
WINX POWER Ultra 140W GaN Desktop Charger
Original price was: R1 263,85.R1 148,95Current price is: R1 148,95. Add to basket
