JONKUU T4 Power Bank User Manual
- August 6, 2024
- JONKUU
Table of Contents
JONKUU T4 Power Bank
INTRODUCTION
JONKUU T4 Power Bank, an excellent blend of performance, safety, and affordability. Launched in 2023 , the T4 boasts a substantial 10000mAh battery capacity, ensuring that your devices remain charged throughout the day. Priced at an incredibly affordable $9.99 , this power bank provides outstanding value for money. The JONKUU T4 features dual USB output ports, allowing you to charge two devices simultaneously at a speed of 5V-2.4A. Its compact size, with dimensions of 3.1 x 2.5 x 0.5 inches and a weight of just 6.4 ounces, makes it highly portable. The T4 is equipped with a Mini USB connector and includes multi-layered safety protection to ensure safe and efficient charging. Manufactured by JONKUU, a trusted name in the industry, this power bank is designed to offer universal compatibility and is an ideal choice for anyone looking for a reliable and budget-friendly charging solution.
SPECIFICATIONS
| Brand | JONKUU |
|---|---|
| Connector Type | Mini USB |
| Battery Capacity | 10000 Milliamp Hours |
| Output Ports | 2 USB x 5V-2.4A |
| Input Ports | 1 Micro x 5V-2.4A |
| Product Dimensions | 3.1 x 2.5 x 0.5 inches |
| Item Weight | 6.4 ounces |
| Item Model Number | T4 |
| Batteries | 1 Lithium Polymer battery required |
| Special Features | Multi-Layered Safety Protection, 2 USB Outputs, Charge |
2 Devices at One Time, Universal Compatibility, Pocket Size
Other Display Features| Wireless
Manufacturer| JONKUU
Warranty| 36-month Warranty
Price| $9.99
WHAT’S IN THE BOX
- 10000mAh Power Bank
- USB-A to USB-C cable
- User Manual
FEATURES
- The JONKUU T4 has a 10,000mAh battery, which means it can charge devices more than once. For example, it can fully charge a Galaxy S8 2.5 times and an iPhone 14 1.8 times.
- Dual USB Outputs: It has two USB ports, each with a 2.4A output, so you can charge two devices quickly at the same time.
- LCD Display: When plugged in, the built-in LCD screen lights up automatically to show the battery state and how much power is left.
- Quick Charge Technology: It supports 2.4A fast charging, which makes sure that connected devices are charged quickly and efficiently.
- Wide Compatibility: It works with a lot of different devices, like iPhones, Samsung Galaxy, Huawei, and Xiaomi smartphones, as well as iPads, laptops, cameras, and more.
- Small Size: It’s only 0.4 pounds and measures 3.5 by 2.4 by 0.87 inches, so it’s portable and easy to take.
- Micro USB Input: The power bank has a Micro USB port for charging itself. It takes about 6 hours to fully charge.
- Multi-Protect Safety System: This system has advanced safety features like overcharge and over-discharge protection, as well as overvoltage and overcurrent protection and short circuit protection.
- Built-in Cable Storage: It has a handy cable storage compartment that keeps wires neat and untangled.
- Durable Build: Made from high-quality materials that will last and work well for a long time.
- LED Indicator Lights: These lights show you how much power is left, if the battery is charging, and how full the battery is.
- User-Friendly Design: The power bank is made with convenient features that make it easy to hold and use.
- Travel-Friendly: It’s small and light, so it’s great for traveling because it fits easily in pockets or small bags.
SETUP GUIDE
- Charge the power bank all the way up before you use it for the first time. Use the Micro USB cord that came with it or an adapter that works with it to connect it to a power source.
- Charging Your Devices: Use a charging cord that works with your device to plug it into one of the two USB ports. The power bank will find a charger and begin charging itself.
- Checking the Status of the Battery: Press the power button or the LCD screen to see the currently charged and full battery level.
- How to Charge the Power Bank: To charge the power bank, use the Micro USB port to connect it to a power source. Make sure that the input wire is connected correctly.
- Using Dual Outputs: If you want to charge two devices at the same time, make sure they are both firmly plugged into the USB ports.
- If you want to turn the power bank on or off, press the power button. When turned on, the LCD screen will show how much power is left in the battery.
- Safe Charging: To avoid damage and make sure charging works well, only use the cables and adapters that come with the charger or that are suggested.
- When not in use, keep the power bank in a dry, cool place to keep the batteries healthy.
- Don’t overcharge: Once the power bank is full, disconnect it from the charger to keep the batteries from wearing out.
- Handling: Be careful not to damage the power bank when you’re handling it, as that could affect how well it works.
- Regular Use: To keep the power bank working at its best, don’t leave it empty for long periods of time. Instead, use it regularly.
- Firmware Updates: If there are any firmware updates that make things work better, follow the manufacturer’s directions.
- Check for Compatibility: Before you use the power bank, make sure that it works with your device to avoid any problems.
- Cleaning: To keep it clean, wipe the outside with a soft, dry cloth. Do not use strong chemicals on it or submerge it in water.
- Battery Care: If you don’t use the power bank for a while, charge it up to at least 50% to keep the battery healthy.
CARE & MAINTENANCE
- Regular Charging: If you don’t use the power bank very often, keep it charged to about 50% to keep the battery healthy.
- Avoid High and Low Temperatures: To keep the power bank in good shape, store and use it between 32°F and 104°F (0°C and 40°C).
- Clean Often: To clean the power bank’s surface, use a dry, soft cloth. Do not let water get into any holes or ports.
- How to Store It: When not in use, keep the power bank somewhere cool and dry. Do not put it in full sunlight or places that are too hot.
- Use Manufacturer’s cords: To make sure charging is safe and effective, only use the cords that came with the device or that the manufacturer recommends.
- Avoid Physical Damage: Be careful not to drop or damage the power bank, as this could affect how well it works.
- Avoid Overcharging: To avoid overcharging, take the power bank off the charger as soon as it’s fully charged.
- Check the Health of the Battery: If the power bank shows signs of swelling, burning, or acting strangely, stop using it and call customer service.
- Firmware Maintenance: Do what the maker tells you to do to update or maintain the firmware.
- Regularly Discharge: To keep the battery working at its best, discharge the power bank to 20% every so often before charging it again.
- Port Care: To make sure the USB and Micro USB ports work right, keep them clean and free of dirt.
- Avoid Water: To keep the electronics from breaking, keep the power bank away from water and wetness.
- Use the Right Adapters: To keep the power bank and your devices from getting damaged, make sure you use the right adapters and cords.
- Checks on a Regular Basis: Make sure the power bank continues to meet your needs by checking its health and performance on a regular basis.
TROUBLESHOOTING
| Issue | Possible Cause | Solution |
|---|---|---|
| The power bank not charging | Faulty charging cable | Replace the charging cable |
| The power bank not turning on | Drained battery | Charge the power bank |
| Device not charging | Incorrect cable connection | Check and reconnect the cable |
| Slow charging | Low input power source | Use a higher power input source |
| Overheating | Prolonged use | Allow the power bank to cool down |
| LED lights not working | LED malfunction | Contact customer service |
| Charging stops abruptly | Faulty port | Try a different port |
| The power bank shuts off unexpectedly | Overheating protection | Allow cooling |
and restart
Unable to charge specific devices| Incompatible device| Check device
compatibility
Battery draining quickly| High-power consumption devices| Limit charging to
low-power devices
The charging indicator not showing| LED issue| Contact support
USB ports not working| Port Damage| Avoid using damaged ports
Battery swelling| Overcharging| Discontinue use and contact support
Unable to fully charge the power bank| Battery degradation| Replace the
battery
Device charging intermittently| Loose cable connection| Secure the cable
connection
PROS & CONS
Pros:
- High battery capacity of 10000mAh.
- Affordable price at $9.99.
- Dual USB output ports for simultaneous charging.
- Compact and lightweight design.
- Multi-layered safety protection.
- Universal compatibility.
- Pocket-sized for easy portability.
- Reliable manufacturer.
- Long-lasting lithium polymer battery.
- Efficient charging speed of 5V-2.4A.
- Wireless display features.
- Ideal for travel.
- Easy to use.
- Modern and sleek design.
- 36-month warranty.
Cons:
- Uses Mini USB connector, which is less common.
- No quick charge technology.
- Limited to 5V output.
- Requires specific input voltage.
- No water resistance.
- May not fully charge larger devices.
- Limited color options.
- No solar charging feature.
- Battery capacity may degrade over time.
- Requires separate cable for recharging.
WARRANTY
The JONKUU T4 Power Bank comes with an impressive 36-month warranty from the date of purchase. This warranty covers any defects in materials and workmanship under normal use. If you encounter any issues, JONKUU will repair or replace the product at no additional cost. It is important to retain the original purchase receipt and packaging to take advantage of the warranty service.
FREQUENTLY ASKED QUESTIONS
What connector type does the JONKUU T4 Power Bank use?
The JONKUU T4 uses a Mini USB connector.
What is the battery capacity of the JONKUU T4 Power Bank?
The battery capacity is 10,000 milliampere-hours (mAh).
What are the output specifications for the JONKUU T4 Power Bank?
The JONKUU T4 has 2 USB output ports, each providing 5V-2.4A.
What is the input specification for the JONKUU T4 Power Bank?
The input specification is Mini USB, 5V-2.4A.
What are the product dimensions of the JONKUU T4 Power Bank?
The dimensions are 3.1 x 2.5 x 0.5 inches.
How much does the JONKUU T4 Power Bank weigh?
The item weight is 6.4 ounces.
What type of battery is used in the JONKUU T4 Power Bank?
The JONKUU T4 uses 1 Lithium Polymer battery.
What special features are included with the JONKUU T4 Power Bank?
The special features include multi-layered safety protection, 2 USB outputs, the ability to charge 2 devices at once, universal compatibility, and a pocket-sized design.
Who is the manufacturer of the JONKUU T4 Power Bank?
The manufacturer is JONKUU.
What is the warranty period for the JONKUU T4 Power Bank?
The warranty period is 36 months.
What is the price of the JONKUU T4 Power Bank?
The price is $9.99.
Why is my JONKUU T4 Power Bank not charging my device?
Ensure that the JONKUU T4 Power Bank is fully charged. Check the USB cable and ports for any damage. Try using a different cable or charging a different device to rule out issues with the cable or device.
What should I do if the JONKUU T4 Power Bank is not holding a charge?
Verify if the JONKUU T4 Power Bank has been fully charged initially. If it still doesn’t hold a charge, it might be a battery issue. Try charging it with a different adapter and cable. If the problem persists, the battery may need replacement or service.
Why does my JONKUU T4 Power Bank charge devices slowly?
Check if you are using the original or a compatible high-quality charging cable and adapter. The JONKUU T4 Power Bank might also be in a low-power mode or have a lower input power adapter connected.
How can I fix the JONKUU T4 Power Bank if it won't turn on?
Ensure the JONKUU T4 Power Bank has sufficient charge by connecting it to a power source. If it still won’t turn on, try resetting the power bank by pressing and holding the power button for 10-15 seconds, if applicable.
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