iBubble Rechargeable Battery Pack - Long Lasting Power for Smartphones, Tablets & Bluetooth Devices - Perfect for Travel, Camping & Emergency Power Backup

Why dive once when there is so much to explore with iBubble?
With this additional battery, dive all day long with your personal underwater cameraman and don’t miss a single moment!

This battery is a great spare item to have when you are using the .

You may also want to consider having a spare or dual r to be able to charge multiple batteries simultaneously.