Solar Panels

Two solar kits can be used with the KoomBook kit to extend its battery life.

  • The 20-W kit is designed specifically to extend the battery life of the KoomBook
  • The 65-W kit can extend the battery life of the KoomBook plus 3 or 4 tablets
20-W kit 65-W kit
Can we charge the battery from an outlet (220 v /110 v)? yes, with a USB charger yes, provided with kit
Charging time through main power around 6 hours around 4 hours
Charging time through solar panel around 6 hours, depending on sun coverage N/A
Can we charge the battery while recharging a connected device? No No
How many devices can be charged at the same time? 1 (1.3 A max), otherwise intensity drops 2 USB, 1 DC-OUT, 1 TYPE-C
Max output power from solar panel 5.5 V 19 V
Max output intensity from solar panel 2.1 A, but power drops quickly 3 A
Max output power from battery 5.2 V fully charged 5.3 V (USB), 20 V DC OUT
Max output intensity from battery 1.6 A on 1 USB port 4 A under 20 V

20-W Solar Panel

  • 20-W Foldable Solar Panel with Monocrystalline Silicon Cells

    • 2 USB 5 V - 2.1 A output
    • Size: 78 x 26 x 0.2 cm
    • Weight: 590 g
  • Lithium-Ion battery 8 Ah - 3.7 V 29 Wh
    • 2 USB 2.1 A output
    • Size: 14x 7.5 x 1.7 cm
    • Weight: 200 g

65-W Solar Kit

  • 65-W Foldable Solar Panel with Monocrystalline Silicon Cells

    • 1 USB 5 V 2.1 A output
    • 1 DC 15 V 4.33 A output
    • Size: 112 x 60 x 0.2 cm
    • Weight: 1.830 kg
  • Lithium-Polymer battery 50 Ah - 3.7 V 185 Wh (See the manual)
    • 2 USB 5 V - 3 A output
    • 1 TypeC 5 V - 3.5 A output
    • 1 DC adjustable 5 V to 20 V output
    • Size: 19.5 x 15 x 2.8 cm
    • Weight: 1.155 kg
    • Delivered with: 1 main supply, 1 DC cable, 24 connectors for different devices