2x fully charged batteries are good to charge one laptop for ~6-8hr.

Pack includes:

2x batteries with chargers
Voltage converter to 220V
Mountng plate

Product Specifications:

ONsite D-Tap to AC Power Supply

  • USB Output: 5V 2.1A x4, 6.2A MAX
  • Output Power: 200W
  • Output Voltage : AC 220V ± 10%
  • Weight: 0.29kg
  • Recommended for laptops, camera battery chargers, tablets, phones, small LED lights. Not recommended for desktop computers, strobes, and hair dryers

ONsite D-Tap Battery with V-Mount

  • Rating: 14.8V / 150Wh
  • USB Output: 5V 2.1A
  • Rechargable LI-ION Battery
  • 4 Level Battery Indicator