Cllena DC 36V 48V to 24V Converter Voltage Reducer 30A 720W Waterproof DC Step Down Converter Buck Transformer

hello everyone this is David and I'm working on my ebike tonight today is January 2nd I'm off from work it's a Saturday and what I'm going to be doing here is I have a couple of old batteries they're 36 volt batteries and I really don't use them as much as I used to because they're unreliable they've had some problems with my commute so what I'm going to be doing is I'm going to be converting them to a 12 volt 12 volt battery I'm gonna step down would be using it this step-down that I got on eBay it has a very large heatsink it's waterproof and it looks like you can take up to 48 volts so I'm going to try this one out I'm the solder am XG 90s converter on one on the money input because that's what my bat battery is using the other side I'm going to be using Andersen connector because with the Andersen that's I'll be using to run my 12 volt applications I'm my solder and I'm all set to g