Unboxing and first look at the excellent smatree batteries for Gopro Hero 5/6/7

Unboxing and first look at the excellent smatree batteries for Gopro Hero 5. The box even contains a fast charger. You can buy them here: Gopro Hero 5/6 batteries: http://amzn.to/2FEOU0g Camera I use: http://amzn.to/2If2VAh DJI Mavic Air: https://bit.ly/2IyLhqG DJI Spark fly more: http://amzn.to/2HllmlH DJI Spark: https://bit.ly/2q8aJwd Smatree SP90: http://amzn.to/2oWleCi Smatree SP90 UK: https://amzn.to/2J0SUaq