About Core SWX GPM-X2A The X2 Mini is a super compact charger with an upright design and a lightweight, plastic housing. It offers a simultaneous 1.5A charging as well a "Fleet Rapid Charge" bay. When only needing to charge one battery pack, place it on the rapid charge channel for a 3A charge, and take advantage of the Fleet series charge time (one 98wh pack in under 2.5hrs.) Trickle charge maintenance program ensures the batteries are always at maximum capacity