Home » ROMOSS Solo 4 8000mAh 5V Li-Ion Portable Power Bank with Dual USB Outputs & Micro-USB Input
ROMOSS portable power bank with a glossy finish, shown at an angle on a plain white background.
Roomoss Solo 4 portable power bank with two USB-C ports on the side, shown from a three-quarters angle on a white background.
Romoss portable power bank with USB-C and USB-A ports, shown on a clean white background.
A product information card for the Romoss Solo 4 External Battery, showing a black rectangular battery unit with blue line icons pointing to its features like USB input, button, LED indicators, and USB output. The card includes descriptive text and a Romoss logo at the top.
ROMOSS portable power bank with a glossy finish, shown at an angle on a plain white background.
Roomoss Solo 4 portable power bank with two USB-C ports on the side, shown from a three-quarters angle on a white background.
Romoss portable power bank with USB-C and USB-A ports, shown on a clean white background.
A product information card for the Romoss Solo 4 External Battery, showing a black rectangular battery unit with blue line icons pointing to its features like USB input, button, LED indicators, and USB output. The card includes descriptive text and a Romoss logo at the top.

ROMOSS Solo 4 8000mAh 5V Li-Ion Portable Power Bank with Dual USB Outputs & Micro-USB Input

SKU: EC203-BP-001
C$15.99
-47% C$29.99 C$15.99
In stock
Orders placed after 3:00 PM (PT) will be processed on the next business day.
  • Compatible Brands ROMOSS
  • Cell Type Li-ion
  • Capacity 8000mAh
  • Output Current 1A / 2.1A (dual USB ports)
  • Output Voltage 5V DC
  • Input Voltage 5V DC
  • Power 10.5W (5V × 2.1A)
  • Warranty 1 Year

Product Description

ROMOSS Solo 4 8000mAh 5V Li-Ion Portable Power Bank

This portable 8000mAh lithium-ion power bank provides convenient backup power for smartphones, tablets, and other USB-powered devices. Its dual USB outputs let you connect two devices, while the 5V/2.1A maximum output provides efficient charging for compatible electronics.

Key Features

1. 8000mAh Portable Battery Capacity
The built-in 8000mAh lithium-ion battery provides additional power for compatible mobile devices when a wall outlet is unavailable, making it suitable for everyday use and travel.

2. Dual USB Charging Outputs
Equipped with two USB-A output ports rated at 5V/1A and 5V/2.1A maximum. The dual-port design allows two USB-powered devices to be connected at the same time.

3. Micro-USB Charging Input
The power bank recharges through a USB Micro-B input port rated at 5V/2.1A maximum. A Micro-USB to USB charging cable is included for convenient recharging.

4. LED Power Indicators
Built-in LED indicators display the remaining battery level, helping you determine when the power bank needs to be recharged.

5. Multiple Safety Protections
The intelligent safety system provides protection against overcharging, over-discharging, over-current, over-power, overvoltage, and short circuits for reliable everyday operation.

6. Compact and Durable Design
The power bank features a durable PC and ABS plastic-alloy body with a compact, comfortable-to-hold design. It measures approximately 138 × 62 × 21.5 mm.

Package Contents

1 × ROMOSS Solo 4 8000mAh Power Bank
1 × Micro-USB to USB Charging Cable
1 × User Manual

Safety & Compliance

Certified Quality You Can Trust

Battpit Canada replacement laptop batteries and AC adapters are selected with safety, compatibility, and compliance in mind. Products may meet common industry standards including RoHS, CE, UL, and ULC where applicable.

RoHS
RoHS Compliant Helps reduce restricted hazardous substances in electronic products.
CE
CE Marked Designed to meet applicable safety and quality requirements.
UL
UL Recognized Components Selected products may use UL recognized cells, components, or protection circuits.
ULC
ULC Safety Standard Supports safety confidence for products supplied to Canadian customers.
Why this matters: These compliance marks help customers choose a reliable replacement laptop battery, laptop charger, or AC adapter with built-in safety features such as over-charge, over-current, over-voltage, and short-circuit protection.