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Sunshine Empire

20,000mAh Slim Power Bank – 18650 Li-ion, 80% Efficiency, Ultra-Slim 135×60×20mm, Includes Charging Cable (Single & Set)

20,000mAh Slim Power Bank – 18650 Li-ion, 80% Efficiency, Ultra-Slim 135×60×20mm, Includes Charging Cable (Single & Set)

Regular price $53.99 USD
Regular price $89.99 USD Sale price $53.99 USD
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High capacity. Zero bulk. This ultra-slim 20,000mAh power bank delivers serious charging power in a pocket-friendly 135 × 60 × 20mm body. Built around a cylindrical 18650 lithium-ion battery with 80% conversion efficiency, you get more usable power from every charge cycle. The aluminium-shell battery pack sits inside a durable plastic outer casing. Charging cable included — ready to use straight from the box. Available as a single unit or as a set.

Key Features

  • 20,000mAh Capacity: Multiple full charges for smartphones and tablets
  • 80% Conversion Efficiency: More usable power from every charge cycle
  • Ultra-Slim Design: 135 × 60 × 20mm — lightweight and pocket-friendly
  • 18650 Li-ion Battery: Cylindrical aluminium shell for durability and longevity
  • Charging Cable Included: Ready to use straight out of the box
  • Single or Set: Available as a single unit or as a set

Specifications

  • Capacity: 20,000mAh
  • Battery Type: 18650 liquid lithium-ion (cylindrical aluminium shell)
  • Shell Material: Plastic
  • Conversion Rate: 80%
  • Dimensions: 135 × 60 × 20mm
  • Applicable Type: General purpose

Note: Input/output specs vary by configuration. Charging cable included. Compatible with all standard USB-powered devices.

What’s in the Box

  • 20,000mAh Slim Power Bank × 1
  • Charging Cable × 1
  • Package × 1
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