The Li-Ion 138Ah/12V Portable Battery Pack BP-031 is the perfect solution for your portable radio or other electrical device. With a charging voltage of 14.4V, this portable battery pack is perfect for long cycle life and emergency power. With an output current of continuous 40A and instantaneous up to 100A, this battery is sure to keep you powered up no matter what. Size: 140 x 106 x 72 mm. Weight: 1.9 kg.