Joyroom JR-T018 30000mAh 12W Power Bank

The Joyroom JR-T018 power bank offers 30000mAh battery capacity with 2.4A high current output, providing faster charging speed for smartphones, tablets and other USB devices. The rated capacity delivers 18000mAh at 5V, enough to charge most smartphones 4 to 6 times before the power bank needs recharging.

Joyroom JR-T018 power bank key features

• Capacity Battery Capacity: 30000mAh 3.7V (111Wh) Rated Capacity: 18000mAh (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: 30000mAh 3.7V (111Wh)
• Rated Capacity: 18000mAh (5V=2.4A)
• Energy Conversion Rate: ≥80%
• Type-C Input: 5V=2A

Key features of the Joyroom JR-T018

• 30000mAh capacity: Battery capacity of 30000mAh at 3.7V (111Wh) with 18000mAh rated output at 5V and 2.4A
• 2.4A fast charging: Each USB port delivers up to 2.4A output for quick device charging
• Dual input ports: Type-C and Micro USB input, both supporting 5V=2A for flexible recharging options
• Dual USB output: Two USB ports allow simultaneous charging of two devices with total output of 2.4A
• 12-color LED indicators: Multi-color LED display shows remaining power level accurately
• Fireproof shell: ABS+PC fireproof material construction for safety
• Compact design: Measures 146.5 x 70 x 41mm and weighs 613g
• 80% conversion rate: Energy conversion rate of at least 80% minimizes power loss during charging

Battery capacity and charging performance

The 30000mAh battery capacity at 3.7V translates to 111Wh total energy storage. The rated capacity of 18000mAh at 5V and 2.4A represents the actual power delivered to your devices after conversion. With an energy conversion rate of at least 80%, the power bank minimizes energy loss during the charging process. A typical smartphone with a 3000mAh battery can be fully charged approximately 6 times, while a 4000mAh device gets around 4.5 full charges.

The 2.4A output current charges devices faster than standard 1A chargers. Each of the two USB ports supports up to 2.4A, but the total output is capped at 2.4A maximum when both ports are used simultaneously. This means charging two devices at once will split the available current between them.

Input ports and recharging options

The Joyroom 30000mAh power bank includes both Type-C and Micro USB input ports, each accepting 5V at 2A. This dual input design lets you recharge the power bank using either cable type based on what you have available. With 2A input on either port, the power bank takes approximately 15 hours to fully recharge from empty when using a 5V/2A adapter.

The 12 multi-color LED indicators display the remaining power level, with each LED representing approximately 8.3% of the total capacity. This visual feedback helps you monitor when the power bank needs recharging and estimate how many more device charges remain.

Build quality and physical design

The shell material combines ABS and PC fireproof plastic, meeting safety standards for portable battery products. The fireproof material reduces risk in case of internal short circuits or overheating. The power bank measures 146.5mm long, 70mm wide and 41mm thick, with a weight of 613g. The rubber shell material provides grip and protects the unit from minor drops and scratches.

The black color finish and compact rectangular form factor fit easily in bags, backpacks or large pockets. At 613 grams, the weight reflects the high 30000mAh capacity, making this a suitable option for travel, outdoor activities or daily commutes where multiple device charges are needed.

Full specification

Battery Capacity	30000mAh 3.7V (111Wh)
Rated Capacity	18000mAh (5V=2.4A)
Energy Conversion Rate	≥80%
Type-C Input	5V=2A
Micro Input	5V=2A
USB1 Output	5V=2.4A
USB2 Output	5V=2.4A
Total Output	5V=2.4A (MAX)
Shell Material	ABS+PC fireproof material
Dimensions	146.5 x 70 x 41mm
Weight	613g
Color	Black
LED Indicators	12 multi-color LEDs

Who should buy the Joyroom JR-T018 power bank

Frequent travelers and long-distance commuters benefit from the 30000mAh capacity that provides multiple full charges for smartphones and tablets during trips where wall outlets are not accessible. The dual USB output lets you charge your phone and a second device like wireless earbuds or a smartwatch at the same time.

Students and office workers who spend long days away from home can keep their devices powered through classes, meetings and study sessions. The 18000mAh rated capacity handles a full day of heavy use across multiple devices.

Outdoor enthusiasts and emergency preparedness users will find the high capacity useful for camping trips, hiking or power outages. The fireproof ABS+PC shell adds a safety layer, and the LED indicators make it easy to check remaining power even in low light conditions.

Things to check before you buy

The total output is limited to 2.4A maximum, which means charging two devices simultaneously will divide the current between both ports. Each device will charge slower than if connected alone. If you need to fast charge multiple devices at full speed at the same time, consider a power bank with higher total output capacity.

At 613 grams and 146.5 x 70 x 41mm, this power bank is heavier and bulkier than lower-capacity models. Check that your bag or pocket can accommodate the size and weight for your daily carrying needs.

The input charging rate of 5V/2A means a full recharge takes approximately 15 hours. Plan to recharge overnight or during extended periods when you do not need the power bank. There is no fast charging input option to speed up this process.

The power bank does not support any fast charging protocols beyond standard 2.4A USB output. Devices that support Quick Charge, Power Delivery or other fast charging standards will charge at regular 2.4A speed only.

Buy the Joyroom JR-T018 power bank in Bangladesh from Hello Tech BD

Before you order the Joyroom JR-T018 power bank

Check the specification table above before ordering the Joyroom JR-T018 power bank so the ports, power and size match your devices. The Joyroom JR-T018 power bank is stocked in Bangladesh, so you are not waiting on an international order. If you are comparing models, the Joyroom JR-T018 power bank is listed here with its real specifications instead of marketing claims.

Frequently Asked Questions

What is the price of the Joyroom JR-T018 power bank in Bangladesh?

The latest price of the Joyroom JR-T018 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-T018 power bank take?

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

Can I return the Joyroom JR-T018 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.

What is the actual charging capacity of the Joyroom JR-T018?

The rated capacity is 18000mAh at 5V and 2.4A. While the battery capacity is 30000mAh at 3.7V, the conversion to 5V output reduces the usable capacity to 18000mAh. This is enough to charge a 3000mAh smartphone approximately 6 times.

Can I charge two devices at full speed at the same time?

No, the total output is limited to 2.4A maximum. When you connect two devices, the 2.4A current is shared between both USB ports, so each device charges slower than if connected alone. For fastest charging, use one port at a time.

How long does it take to fully recharge the power bank?

With a 5V/2A input on either the Type-C or Micro USB port, the power bank takes approximately 15 hours to fully recharge from empty. Use a quality 5V/2A wall adapter for best results.

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

No, the Joyroom JR-T018 provides standard USB charging at 2.4A per port. It does not support Quick Charge, Power Delivery or other fast charging protocols. Devices will charge at regular 2.4A speed regardless of their fast charging capability.

What do the 12-color LED indicators show?

The 12 multi-color LED indicators display the remaining power level of the power bank. Each LED represents approximately 8.3% of the total capacity, allowing you to monitor how much charge is left and plan when to recharge the unit.

Related products and useful references

• Joyroom JR-T017 Dazzling Series 20000mAh Power Bank
• Hoco J152 Pro 80000mAh Power Bank 65W PD Fast Charging
• Joyroom JR-L004 12W 10000mAh Jelly Series Power Bank
• Browse more in Power Banks

For independent background reading about the Joyroom JR-T018 power bank and similar products, see joyroom.com.