The Bowens BW7691 Travelpak Battery makes working on long location shoots easy thanks to its unique new hot-swap battery feature. Now if a battery starts to fade on a lengthy assignment photographers can simply unclip the control panel unit from the depleted battery and clip on a fully-charged battery - no more waiting to charge up the whole unit. The Travelpak system has two sizes of battery - allowing photographers to choose the power and size to suit their own specific needs. Able to support up to two Bowens Gemini monolights, the Travelpak can provide power up to a massive 3000Ws, recycle to full power at speeds up to 2 seconds and offers up to 750 shots on a single charge.