External battery pack OW-24-C300, used for most of 24V devices. 1.capacity:300Wh 2.input :24V/2.5A 3.Output :24V/2 ... .5A Specification:External battery pack OW-24-C300capacity:300Whinput voltage :24V/2 ... .2. High capacity, portable, backup,universal, extercal ,convenient to carry.3. Various circuit function protections, to ensure the safety and stability ...