... . For example, PELCO-P, PELCO-D, SAMSUNG etc.l Lithium Ion Polymer Battery (3.7V DC3000mAh). The device employsadvanced power control and ... command data from controlling devicePOWERPower AdapterDC5V, 2ABatteryBuilt-in 3.7V Lithium polymer battery ,3000mAh RechargeableAfter charging 3-4 hour, working time lasts ...