Introduction
Thank you for choosing the Cellet 10000mAh Portable Charger Battery Pack. This device is designed to provide reliable and convenient power for your mobile devices on the go. Featuring a high-capacity battery and dual USB output ports, it allows you to charge multiple devices simultaneously. Please read this manual carefully to ensure proper use and optimal performance of your power bank.
Safety Information
- Do not expose the power bank to extreme temperatures, direct sunlight, or fire.
- Avoid dropping, disassembling, or attempting to repair the device yourself.
- Keep the power bank away from water and other liquids.
- Use only certified charging cables and adapters.
- Keep out of reach of children.
- Dispose of the power bank responsibly according to local regulations.
Package Contents
- Cellet 10000mAh Portable Charger Battery Pack (Model BA10002BK)
- Micro USB Cable
- USB-C Cable
- Lightning Cable
- Instruction Manual

Image: The Cellet 10000mAh power bank shown alongside the three included charging cables: Micro USB, USB-C, and Lightning.
Product Overview
Familiarize yourself with the components of your Cellet power bank:

Image: A detailed diagram highlighting the features of the power bank, including the digital display, power button, two USB output ports, Micro USB input, and USB-C input.
- Digital Display: Shows the remaining battery percentage and output status.
- Power Button: Press once to check battery level or initiate charging.
- USB Output Ports (x2): For charging external devices.
- Micro Input: For charging the power bank using a Micro USB cable.
- Type C Input: For charging the power bank using a USB-C cable.
Setup: Charging the Power Bank
Before first use, fully charge your power bank. This typically takes approximately 2 hours.
- Connect the included Micro USB or USB-C cable to the corresponding input port on the power bank.
- Connect the other end of the cable to a USB wall adapter (not included) or a computer's USB port.
- The digital display will show the charging progress, indicating 100% when fully charged.
Operating: Charging Your Devices
The Cellet power bank features dual USB output ports, allowing you to charge up to two devices simultaneously.
- Connect your device's charging cable (e.g., Lightning, USB-C, Micro USB) to one of the USB output ports on the power bank.
- Connect the other end of the cable to your mobile device.
- The power bank will automatically begin charging your device. If not, press the power button once to initiate charging.
- The digital display will show "OUT" and the current output voltage/amperage, along with the remaining battery percentage.
- To stop charging, simply disconnect your device from the power bank.

Image: The Cellet power bank connected to and charging two smartphones and a tablet simultaneously, demonstrating its dual USB output capability.
Maintenance
- Clean the power bank with a soft, dry cloth. Do not use harsh chemicals or abrasive materials.
- Store the power bank in a cool, dry place away from direct sunlight and extreme temperatures.
- For optimal battery life, fully charge the power bank at least once every three months if not in regular use.
Troubleshooting
| Problem | Possible Solution |
|---|---|
| Power bank not charging. |
|
| Device not charging from power bank. |
|
| Slow charging. |
|
Specifications
| Feature | Detail |
|---|---|
| Model Name | BA10002BK |
| Battery Capacity | 10000mAh (10 Amp Hours) |
| Battery Cell Type | Lithium Ion |
| Input (Micro USB) | DC 5V/2.1A |
| Input (Type C) | DC 5V/2.1A |
| Output (USB 1) | DC 5V/2.1A |
| Output (USB 2) | DC 5V/2.1A |
| Number of Ports | 4 (2 input, 2 output) |
| Battery Charge Time | Approximately 2 Hours |
| Item Dimensions (L x W x Thickness) | 6"L x 3"W x 0.3"Th (15.24 cm x 7.62 cm x 0.76 cm) |
| Item Weight | 5 Ounces (141.75 grams) |
| Special Features | Fast Charging, Over Charging Protection, Digital Display |

Image: A visual representation of the power bank's dimensions (5.1 inches long, 2.6 inches wide) and the length of the included cables (13 inches).
Warranty and Support
The Cellet 10000mAh Portable Charger Battery Pack comes with a 1-Year Limited Warranty from the date of purchase. This warranty covers manufacturing defects and workmanship. It does not cover damage caused by misuse, accidents, unauthorized modifications, or normal wear and tear.
For warranty claims or technical support, please contact Cellet customer service through their official website or the retailer where the product was purchased. Please have your proof of purchase and model number (BA10002BK) ready.