PULSETM 1500 Sometimes all you need is that last bit of energy to make that connection, make that call and make it all come together. So small that you won"t notice it until you really need it, the Brunton Pulse 1500 will keep you up and running through a long day on the road, or a late night on the town. LITHIUM POLYMER BATTERY 1500mAh POWER OUTPUT - 1 Amp SPECS - 6.9 X 6.9 X 1.2 cm, 56g INPUT - INTEGRATED USB OUTPUT - STANDARD USB + MICRO USB.