The Profoto BatPac is a portable battery system housed in a backpack, weighing 25 lbs and is designed to power the Profoto D1 monolights and can be used with other low load devices such as Laptops.

Specs

• High power – two standard 110AC outlets can run up
  to 4x D1 1000 heads or 1 x Acute 2 2400.
• Suitable for max 600W electrical devices.
• 330 full power flashes or thousands of lower power flashes with quick recycling time.
• 9h recharge time
• 10 x 11 x 14.5 in (26 x 28 x 37 cm)
• weight 25lb (11,5kg) including battery and bag.

Profoto Specified operating Conditions

• • Intended for indoor photographic use.
  • Do not place or use equipment where it can be exposed to moisture, extreme
    electromagnetic fields, or in areas with flammable gases or dust.
  • Do not expose rapid temperature changes.
  • BatPac operating temperature of 0°C to 30°C (+32°F to +104°F).