Need a spare or stand-alone power bank? The Helios Bank 4000 mah Slim Power Bank has tested compatibility with the Helios Packs solar panels. It will be charged in full sun in 5 hours with the Helios Alpha Pack. Light and compact, the Helios Bank may be stored and integrated with your Helios Pack solar charging system to charge your devices night or day. Handy and stylish, it may be easily carried and used stand-alone as well. USB charging cable included.
Helios Power Bank Specifications:
Cell Type - Li - Polymer
Input - DC 5V/1A
Output - DC 5V/1A
Battery - 4000 mah
Charging Time - 4 hours (Grid) / 5 hours (5.3W Solar Panel - Full Sun)