Beam EXTEND L20 Portable Power Bank


Stay charged anywhere you go with the BEAM EXTEND Li-Polymer Power Bank series; these portable lightweight power banks are the perfect power solution for camping, off road, traveling, hiking, and outdoors for people on the go. 


The BEAM EXTEND L20 is a sleek and thin 20000mAh power bank that features the latest USB-C connectivity to provide quick and optimum power for your supported devices.

The EXTEND L20 can simultaneously charge up to 3 devices and is fully capable of charging your smartphone or tablet several times over.  It is perfect for travel, on the road, on a boat or in a flight.

You can also recharge the battery in a flash from empty to full capacity in less than 8-hours, saving you half the time compared to other models.

  • Input/Output 1 – USB Type-C (18W) (5Vdc 3A, 9Vdc 2A, 12Vdc 1.5A)
  • Input 2 – USB Micro-B (5Vdc 2.1A Max)
  • Output 2 – USB Quick Charge (5-6.5Vdc 3A, 6.5-9Vdc 2A, 9-12Vdc 1.5A)
  • Output 3 – USB-A Output (5Vdc 3A)
  • Charging Time Less than 8 hours
  • Storage: +5°C to +35°C
  • Operational: 0°C to +40°C
  • Visual Interface: 4-LED
  • Physical Interface: Power On/Off Button
  • Dimensions:137 x 68.5 x 25.5mm
  • Weight: 346g
  • Pack Capacity: 20,000 mAh/ 3.7Vdc (74Wh)
  • Usable life: 300 charge-discharge cycles minimum
  • Storage Life: Requires recharging every 6-months if in storage
  • Protection: Short Circuit Protection
Kit Contents
  • L20 Power Bank
  • USB Micro-B Cable with Lightning Adaptor (30cm)
  • USB Type-C to USB Type-C Cable (30cm)
  • Quick Start Guide
  • Robust design with strong casing to protect internal components
  • High quality and long lasting li-polymer battery
  • Charges devices faster and offers more power
  • Lightweight, compact, easy to carry and store
  • Auto Detect device’s electrical requirements
  • USB-C input/output, more power to charge larger devices
  • 24-month warranty
Specifically designed for:
  • Smartphones, Tablets, Mobile Phones, MP4 Players, Gaming Devices, Digital Cameras, Action Cameras
  • Tested on Iridium GO!
  • Tested on ZOLEO
  • Inmarsat Phones
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