VOLTCRAFT VC-18833305 20000 mAh Power Bank with USB-C and Dual USB-A Outputs, 74 Wh, Black

With a massive 74 Wh energy reserve, the VOLTCRAFT VC-18833305 keeps your devices charged through the longest days. This 20000 mAh lithium-polymer power bank delivers up to 17 W of total output across three ports, so you can charge a smartphone, tablet, and accessories simultaneously without compromise.

Overview

The VC-18833305 is engineered for reliability and convenience. Its high-density Li-Po cells pack 20000 mAh into a compact, durable plastic housing. A USB-C port serves dual duty as both input and output, while two USB-A ports provide broad compatibility with legacy devices. Four white LEDs clearly indicate remaining capacity at a glance.

What stands out

• 20000 mAh capacity – enough to charge a typical smartphone 4–5 times
• Three output ports: 1x USB-C (5V/2.4A), 2x USB-A (5V/2.4A each)
• Simultaneous charging for up to three devices
• USB-C and Micro-USB inputs for flexible recharging
• Advanced safety features: overcharge, over-discharge, and short-circuit protection
• Compact black plastic body with four LED charge indicators

Technical details

• Battery type: Lithium polymer (Li-Po)
• Capacity: 20000 mAh / 74 Wh
• Input: Micro-USB (5V/2A), USB-C (5V/2A)
• Output: USB-C (5V/2.4A), USB-A 1 (5V/2.4A), USB-A 2 (5V/2.4A)
• Total output: 5V/3.4A max, 17 W max
• Charging time: approx. 10 hours (with 5V/2A input)
• Indicators: 4x white LED
• Material: Plastic
• Colour: Black
• Included accessories: Micro-USB charging cable

Our verdict

The VOLTCRAFT VC-18833305 is a dependable high-capacity power bank that balances capacity, portability, and multi-device charging. Its 74 Wh rating makes it airline-friendly, and the inclusion of both USB-C and Micro-USB inputs ensures you can recharge it with almost any cable you have on hand.