8.4V 4 x 18650 Waterproof Battery Pack For cycle Front Light (Bozeat NN29)

8.4V 4 x 18650 Waterproof Battery Pack For Bicycle Front Light As New, only used for testing - NOTE no batteries included Takes 4x18650 lithium batteries and combined them to 8.4v power supply for bicycle lights powered Output voltage: 8.4V, Input voltage: 8.4V, also Standard USB A socket output 5.5DC to act as backup phone charger Cable: 60cm (it has the USB cable ) Takes 4x 18650 batteries (Batteries do not include) I have 2 of these which were only used for project test, they in as new condition. collection from Bozeat.