The Jumpr Stack 3 is a compact, yet powerful portable battery that can provide 200% more battery life for most smartphones. This revolutionary 3,200 battery can charge smartphones and other small USB-enabled devices via it's tethered Micro-USB and Lighting Connector Outputs. With more than one Stack you can charge the batteries simultaneously via its innovative magnetic stack and charge functionality. Can charge smartphones and other small USB-enabled devices. Tethered Micro-USB and Lighting Connector Outputs. Charge multiple Jumpr Stacks simultaneously via innovative magnetic stack and charge capabilities. Chain your Stacks vertically together to charge larger, power-hungry devices. Recipient of 2015 Red Dot Product Design Award. Gray.
