The FPV-POWER 5V 2A Dual USB Port Charger comes with plenty of lead for ease of installation and access. It is compatible with our whole range of batteries. The leads terminate in bare wires so it will be up to you to solder or crimp the connections. This charger is suitable for keeping you phones, cameras and other USB powered electronics charged up during long days out on the water! One port is a standard 1A output to suit GoPros etc. while the other port is 2A fast charge for mobile phones. DO NOT USE THE FAST CHARGE PORT FOR GOPROS AS IT WILL DAMAGE THE BATTERY. CHECK THE SPECS OF YOUR DEVICE BEFORE USING EITHER PORTS.