1st charge

Uprated the cables to 35mm2 to start testing the battery. In this first charge I pushed the state of charge (SOC) from 25% to 50%, took about 1hrs 13mins. Indicates that a full charge may be just under 5hrs. Also using this 25% charge suggests a 100AH full capacity. In general, happy charging is working….

Battery BMS stuff

I have quickly realised that the triumph of 1st wheel motion is momentary. Next on the list of things to complete is the battery BMS so I can charge the battery. I have no mains power supply so this is important to do quiickley so I can keep the wheel spinning. The Nissan leaf busbar…

1200w onboard charger [48v/20A]

Pictured in blue in CAD [with wheel travel] is: 1200W on-board waterproof battery charger 48v/20A, KC CE Ro1200W on-board waterproof charger – Main advantage of this charger is compact size– 130mm x 90mm x 230mm– Pre-charging – automatic shut off – over charging protection https://www.alibaba.com/product-detail/1200W-on-board-waterproof-24V-48V_62252160597.html?spm=a2700.details.pronpeci14.11.652e4b9afSCIvk Other options are: 48v 20A 1500W Waterproof Intelligent Battery Charger…