GMC08 is Grandstream’s battery charging pack for its mobile telephony products, including the WP800 series and DP730. It features 8 independent slots to fully charge or discharge multiple batteries simultaneously. For added flexibility, the GMC08 comes with three charging capacities for air shipment, storage capacity control and long endurance. It offers reliable performance and efficiency thanks to built-in over-voltage, over-charge, over-current, and short-circuit management as well as leak protection.