Enjoy and take full advantage of the Godox PROPAC PB960 Lithium-Ion Flash Power Pack, as it allows you to shoot for longer with impressive recycle times. With a single charge of the 4500mAh lithium-ion power pack, it can provide 900-1800 full power flashes and its capable of working with most shoe-mounted flashes. Stand out features of this power pack includes: dual power ports to simultaneously powering two flashes. Additionally, it recharges in about three hours and features an LED display that displays the current charge to users, and it comes with both a belt clip and shoulder strap for ease of use.