The Romoss Powerbank (20000mAh) is a portable battery pack designed to charge electronic devices such as smartphones, tablets, and other USB-powered gadgets on the go. With its high capacity of 20000mAh, it provides multiple charging cycles for most devices, making it an essential accessory for travelers, commuters, and anyone needing reliable power backup.
The following table outlines the key technical details of the Romoss Powerbank (20000mAh):
Specification | Details |
---|---|
Manufacturer | Romoss |
Part ID | Powerbank |
Battery Capacity | 20000mAh |
Input Ports | Micro-USB, USB-C |
Output Ports | 2 x USB-A, 1 x USB-C |
Input Voltage/Current | 5V/2.1A (Micro-USB), 5V/3A (USB-C) |
Output Voltage/Current | USB-A: 5V/2.1A (Max), USB-C: 5V/3A (Max) |
Dimensions | 160mm x 80mm x 22mm |
Weight | 450g |
Charging Time | ~6-8 hours (using 5V/2.1A input) |
Safety Features | Overcharge protection, short-circuit protection, temperature control |
The Romoss Powerbank does not have traditional pins but features input and output ports. The table below describes the ports:
Port | Type | Description |
---|---|---|
Micro-USB | Input | Used to charge the powerbank (5V/2.1A). |
USB-C | Input/Output | Dual-purpose port for charging the powerbank or powering devices (5V/3A). |
USB-A (x2) | Output | Standard USB ports for charging devices (5V/2.1A max per port). |
Charging the Powerbank:
Charging Devices:
Checking Battery Level:
While the Romoss Powerbank is not specifically designed for Arduino projects, it can be used to power an Arduino UNO or similar microcontroller via the USB-A output port. Below is an example of how to connect and use the powerbank with an Arduino UNO:
// This example demonstrates powering an Arduino UNO using a Romoss Powerbank.
// The Arduino UNO is connected to the powerbank via the USB cable.
void setup() {
// Initialize the onboard LED pin as an output
pinMode(LED_BUILTIN, OUTPUT);
}
void loop() {
// Blink the onboard LED to confirm the Arduino is powered
digitalWrite(LED_BUILTIN, HIGH); // Turn the LED on
delay(1000); // Wait for 1 second
digitalWrite(LED_BUILTIN, LOW); // Turn the LED off
delay(1000); // Wait for 1 second
}
Issue | Possible Cause | Solution |
---|---|---|
Powerbank does not charge devices. | Insufficient charge in the powerbank. | Check the LED indicators and recharge the powerbank if necessary. |
Devices charge slowly. | Using a low-quality or incompatible cable. | Use a high-quality cable that supports the required current. |
Powerbank does not charge. | Faulty input cable or power source. | Test with a different cable or power adapter. |
Powerbank overheats during use. | Using the powerbank while charging. | Avoid using the powerbank while it is being charged. |
LED indicators do not light up. | Powerbank is completely discharged. | Recharge the powerbank for at least 30 minutes before checking the LEDs. |
How many times can the powerbank charge my smartphone?
Can I charge multiple devices simultaneously?
Is the powerbank safe to use during air travel?
How long does it take to fully charge the powerbank?
By following this documentation, users can maximize the performance and lifespan of their Romoss Powerbank (20000mAh).