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Mango Fast Charger 12W P200

249.00৳ 

  • Power Calculation: Power (in Watts) is calculated by multiplying Voltage (V) by Current (A): P=V×A. For example, a charger providing 9V at 67A delivers about 15W of power.
  • Charging Negotiation: The charger and the device (e.g., smartphone) communicate to negotiate the fastest charging voltage and current that both can safely support, which is why a single charger often lists multiple possible output values.
  • USB PD and AFC/QC: Most modern 15W fast chargers adhere to the open USB Power Delivery (PD) standard or proprietary standards like Adaptive Fast Charging (AFC) (used by Samsung) or Quick Charge (QC). For maximum speed, your device must support the specific standard the charger is using.
  1. Primary Output Specification

A 12W charger almost exclusively operates at the standard USB voltage of 5V.

  • Voltage (V): 5V (Volts)
  • Current (I): 2.4A (Amperes)

Using the power formula P=V×I:

5V×2.4A=12W

This 5V/2.4A profile is the definitive specification for a 12W charger.

  1. Charging Protocols / Standards

The 12W power level is often associated with the following standards:

Apple 2.4A
5V/2.4A
The standard developed by Apple for faster charging on iPads and some iPhones (pre-USB PD). It is widely supported by third-party chargers to ensure fast charging for these devices.

USB Battery Charging (BC) 1.2
Up to 5V/1.5A (7.5W)
The official standard does not specify 2.4A, but most 12W chargers are backwards-compatible with BC1.2 for other devices.

Generic
5V/2.4A
Many non-brand chargers simply provide this output without advertising a specific protocol, as it is a safe and high-speed common denominator.

  1. Additional Specifications

Feature
Typical Specification

Input Voltage
100−240V AC

Input Frequency
50/60Hz

Port Type
USB Type-A (Older standard), or USB Type-C (Newer models may support 12W through USB-C but also have higher PD profiles).

Safety Features
Over-voltage, Over-current, Short-circuit, and Over-temperature protection.

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