Joyroom JR-T017 Dazzling Series 20000mAh Power Bank

The Joyroom JR-T017 Power Bank packs 20000mAh battery capacity with 12W charging output, delivering 2.4A current to charge smartphones and tablets. This Dazzling Series portable charger features dual USB output ports, Type-C and Micro USB input options, and a 12-segment LED indicator that displays remaining power across its compact 146.5 x 70 x 29mm body weighing 425g.

Joyroom JR-T017 Power Bank key features

• Capacity Battery Capacity: 20000mAh 3.7V (74Wh) Rated Capacity: 12000mAh (5V=2.4A) Energy Conversion Rate: ≥80%
• Input Type-C Input: 5V=2A Micro Input: 5V=2A
• Output USB1/USB2 Output: 5V=2.4A Total output: 5V=2.4A (MAX)
• Material Rubber shell material: ABS+PC fireproof material
• Battery Capacity: 20000mAh 3.7V (74Wh)
• Rated Capacity: 12000mAh (5V=2.4A)
• Energy Conversion Rate: ≥80%
• Type-C Input: 5V=2A

Key Features of the Joyroom JR-T017 Dazzling Series

• 20000mAh Large Capacity: Battery capacity of 20000mAh at 3.7V (74Wh total energy) with rated output of 12000mAh at 5V=2.4A
• 12W Fast Charging: Delivers up to 2.4A output current through each USB port for faster device charging compared to 1A standard chargers
• Dual Output Ports: Two USB output ports allow simultaneous charging of two devices with 5V=2.4A total output
• Dual Input Options: Type-C input (5V=2A) and Micro USB input (5V=2A) provide flexible recharging methods
• 12-Segment LED Indicator: Multi-color LED display with 12 segments shows precise remaining battery percentage
• High Conversion Rate: ≥80% energy conversion efficiency reduces power loss during charging
• Fireproof Construction: ABS+PC fireproof shell material with rubber coating provides durability and safety
• Portable Design: Compact dimensions of 146.5 x 70 x 29mm and 425g weight fit easily in bags for travel

Battery Capacity and Charging Performance

The Joyroom JR-T017 holds 20000mAh at 3.7V, translating to 74Wh total energy storage. The rated capacity reaches 12000mAh when outputting at 5V=2.4A. This capacity charges a typical 3000mAh smartphone battery approximately 4 times before the power bank needs recharging. The energy conversion rate of ≥80% means minimal power loss during the charging process, making efficient use of the stored capacity.

Each USB output port delivers 5V at 2.4A, providing 12W charging power to connected devices. When using both ports simultaneously, the total output remains capped at 5V=2.4A, which the power bank distributes between the two devices. The 2.4A output current charges compatible smartphones faster than standard 1A chargers, reducing charging time for devices that support higher input currents.

Input Options and Recharging

The JR-T017 Dazzling Series accepts input through two ports: Type-C at 5V=2A and Micro USB at 5V=2A. Both input methods deliver 10W charging power to recharge the 20000mAh battery. At 2A input current, recharging the power bank from empty to full takes approximately 10-11 hours with a compatible 2A wall charger. Users can choose either cable type based on available chargers and cables.

Build Quality and Design

The power bank case uses ABS+PC fireproof material with a rubber shell coating. This material combination provides impact resistance for daily use and meets fireproof safety standards. The black finish with rubber texture improves grip and reduces fingerprint visibility. At 425g weight and 146.5mm length, the unit fits in most bag pockets while remaining light enough for daily carrying.

The 12-segment multi-color LED indicator panel displays remaining power across the top edge. Each LED segment represents approximately 8.3% battery capacity, giving users more precise power level readings than basic 4-LED indicators. The LED lights activate when charging devices or recharging the power bank, then turn off automatically to conserve battery.

Full Specifications

Who Should Buy the Joyroom JR-T017 Power Bank

Daily commuters who spend extended time away from wall outlets benefit from the 20000mAh capacity that charges a smartphone multiple times throughout the work week. The dual USB output suits users who carry both a phone and tablet, or those who need to share charging capacity with family members during outings.

Travelers gain backup power for long bus or train journeys where socket access is limited. The 425g weight and compact form factor pack easily into travel bags without adding significant bulk. The 12-segment LED indicator helps plan recharging stops by showing precise remaining capacity.

Things to Check Before You Buy

The total output of 5V=2.4A (12W) gets shared when charging two devices simultaneously, resulting in slower charging speeds compared to using a single port. Devices with higher power requirements such as laptops or tablets above 10 inches may charge slowly or not charge at all, as they typically require 18W or higher input.

Recharging the 20000mAh battery takes approximately 10-11 hours at 2A input, so plan overnight charging sessions. The power bank does not support fast charging protocols like Power Delivery or Quick Charge for either input or output. Check that your devices use standard USB-A charging cables, as the output ports do not include USB-C output.

Buy the Joyroom JR-T017 Power Bank in Bangladesh from Hello Tech BD

Before you order the Joyroom JR-T017 Power Bank

Check the specification table above before ordering the Joyroom JR-T017 Power Bank so the ports, power and size match your devices. The Joyroom JR-T017 Power Bank is stocked in Bangladesh, so you are not waiting on an international order.

Frequently Asked Questions

What is the price of the Joyroom JR-T017 Power Bank in Bangladesh?

The latest price of the Joyroom JR-T017 Power Bank in Bangladesh is shown at the top of this page at Hello Tech BD. Prices can change with stock and import cost, so the price on this page is always the current one.

How long does delivery of the Joyroom JR-T017 Power Bank take?

Orders are usually delivered in 1-5 working days inside Bangladesh.

Can I return the Joyroom JR-T017 Power Bank if there is a problem?

Yes. You can request a return within 7 days of delivery if the product arrives damaged or does not match this page. Keep the box and accessories with the product.

How many times can the Joyroom JR-T017 charge a smartphone?

The JR-T017 has a rated capacity of 12000mAh at 5V output. For a typical smartphone with a 3000mAh battery, this power bank can provide approximately 4 full charges. Actual charge cycles vary based on your device battery size and charging efficiency.

Can I charge two devices at the same time with this power bank?

Yes, the JR-T017 features two USB output ports that allow simultaneous charging. However, the total output is limited to 5V=2.4A (12W) shared between both ports, so each device will charge slower than when using a single port alone.

How long does it take to fully recharge the Joyroom JR-T017?

Recharging the 20000mAh battery takes approximately 10-11 hours when using a 5V=2A (10W) wall charger with either the Type-C or Micro USB input port. Use a quality 2A adapter for optimal recharging speed.

Does this power bank support fast charging protocols like Quick Charge?

No, the JR-T017 does not support Quick Charge, Power Delivery, or other fast charging protocols. It provides standard 5V=2.4A output, which is faster than 1A chargers but does not utilize proprietary fast charging technologies.

What input cables do I need to recharge this power bank?

The JR-T017 accepts input through Type-C or Micro USB ports, both at 5V=2A. You can use either a USB-A to Type-C cable or a USB-A to Micro USB cable with a compatible wall adapter. The cables are not mentioned as included.

Related products and useful references

• Hoco J152 Pro 80000mAh Power Bank 65W PD Fast Charging
• Joyroom JR-L004 12W 10000mAh Jelly Series Power Bank
• Hoco J101A 22.5W 20000mAh Fast Charging Power Bank
• Browse more in Power Banks

For independent background reading about the Joyroom JR-T017 Power Bank and similar products, see joyroom.com.