When of AC power, the Bowens Travel-Pak Battery is able to power two Bowens Gemini monolights simultaneously, with a total power of up to 1500 watt/seconds. It is capable of recycling one 500 watt/second unit to full charge in 4.5 seconds, and can offer one unit over 200 full-power flashes on a single charge.
An additional battery, without charger or case is also available (BW7630).