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Derrick Lewis submitted a new listing: DiY ebike 36v to 100v - DiY ebike 36v to 100v Learn more about this listing...

would be nice to get some cheaper, Am going to try the tinned copper route anyway and maybe put some probes on it and try real world testing as can program controller on amp draw etc . found some 1.2mm round core copper that is tinned meant to take 45amp so in theory it should be able to...

no what i meen if i was going to go the spot welding route i would want propper nickle strip not plated stuff. the clue is in the title of that ebay link, it can say what it wants after

i wouldn`t use that, only use a seller i know who sells 100% pure nickle is about £14 for 2meters

Thats good to know, i have found some bus tape at 8mmx0.2mm advertised has carrying 30amp but it is so much cheaper than nickle strip that i could double up and still save £40 on a battery.i may build one from recycled cells and see if it lasts some banging around, am sure it may help others...

my batteries are 20s 8p on my bike so not readily available. every battery i have built for friends are awkward shapes to fit frames,I also have a good 18650 battery source. Anyway is not the question i was originally asking, Just wanted to know if anyone knows the max amp/watts the solar bus...

there is also another reason why i want to be able to build a battery of this type, i plan to try a very long distance ebike tour and would be good to have a easily repairable battery that i only need extra wire and a gas solder iron to repair

Yeah have soldered copper wire to the first 4 or 5 battery packs i made, I used the core from twin and earth and tinned the spots to connect to the 18650s on bench before putting on the batteries 800F solder iron is key though. i Then made last 10-15 batteries with a homebrew spot welder, am...

not entirely true, copper works even better on 18650`s than nickle with less heat/wasted energy and the bus wire has copper inside 5mm x1.6mm and 0.4mm of solder on outside. Also with the right solder Iron soldering 18650`s is not a issue, The problem i think is that the bus wire maybe won`t be...

Hi am just wondering if anyone has used solar bus wire when making a battery for their ebike? been looking at some and seems to be perfect stuff 5mm width 0.2mm thick and is copper covered with a solder layer but i can`t find any info on what is the max amps/watts this could carry, I am going...

The switches on the brakes can be popped out, inside is a reed type switch and has long as you got a area on brake flat enough for the switch to press against it can be used, had to cut plug off and resolder I didn't have enough area for switch so put a bit off a picture hanger and glued it on...

They are ok in sunlight , cars seem to be seeing me anyway cos I turned right and a car behind slowed down for me, I have just put on new back lights though and used a brake wire thing you get in the kits inbetween the power wire so it comes on when I brake too so may have been that. These are...

i have a 16s battery atm on it but will take upto a 21s the 16s is enough for me tbh gets me to around 45mph on flat and flies up hills at around 30. i could have probably done the upgrade cheaper with a risunmotor sine wave controller but i like that i can change everything and anything with...

i have built 5 bikes with voilamart kits too 2 front 1000/250w 2 rear 1000/250w and a rear 500w tbh i can`t fault them although i think when it comes to hills the 1000w aint great you have to still put a good bit of effort in. the 500w climbs a bit better, On my bike i have just upgraded the...

So been using this controller now for a couple of weeks and love it,Works very well. I have added a front rack for sleeping bag/tent for camping made a box for the 10s8p part of battery and put a 6s8p battery in back pannier linked gives me 16s 67.2v .17 6ah battery fully charged I didn't build...