Anyone know where to get 2 x 3.7v 45000mah (or better) batteries that can occupy 200 x 65 x 7mm dimensions? I have spotted the below but they cannot deliver to the UK 
USA only
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High Power Polymer Li-Ion Cell: 3.7V 4700 mAh (706285-8C) 17.39Wh, 37A rate - UL listedThanks
USA only
