Link to BMS for the Solo: https://jonbrotherton.fws.store/BMSOne_Plug_and_Play/p5973142_21044679.aspx
Upgrade Energy Amprius 5s2p Pack for 3DR SOLO Drone
USA manufactured packs now with Amprius cells to achieve our highest capacity and flight performance yet
These long range packs have been breaking flight time records! 
Specifications
Cell: Amprius 18650
Capacity: 8000mAh 
Watt Hours: 136
Configuration: 5S2P / 17V / 10 Cells (3dr solo drone)
Discharge Rate: 30A
Charge Rate: 8A
Max voltage: 21V pack, 4.2V per cell
Min voltage: 13.5V pack, 2.7V per cell
Balance Lead: Black JST-XH
Discharge Plug: Black XT60
Dimensions: 9.5cm x 3.8cm x 7cm (L x W x H)
Weight(±5g): 523.6