Power up in real time when the sun is shining or from stored energy when it's not thanks to the integrated battery in the solarpanel 5+. weight 5+: 13.76 oz (390 g ). Battery (5+ only) 2200 mAh, 8 Wh. Inputs/outputs micro USB in USB out. Power output 5 watts per hour at peak sun. Use with cookstove, power light and power light mini. Get the most from the sun featuring Biolite optimal sun system, the solarpanel 5 and solarpanel 5+ feature smart yet simple details to get off-grid energy to your gear with maximum efficiency. Use them to power your tablets, phones, lights, and other devices.