You can buy them cheaper per battery at the site for the holders.
The cells cost more but are larger mah and are better cells except the QB, which are ?
OK. I am looking.
My main issue is I will need 24 cells for two decent 6S packs and I am working with limited funds as usual and the solderless kit is $27.
The batteries I really want are sold out.
https://www.ebay.com/itm/4-HEADWAY-3812 ... rmvSB=true
12 of those fully charged would be about 44V and do the trick for less than $100. I was hoping for larger higher capacity cells than 18650 or 26650 therefore I would not need to parallel them up. 6 of those will balance charge with my charger as I saw a 3.2 or 3.3 volt function on the Skycharger and the 400 watt Mega charger you sent probably has the same feature to charge 3.2 or 3.3 volt batteries.
https://vruzend.com/product/set-of-two- ... ery-cells/
That is the cheapest they have and is $72 for 24 cells but not sure if I will get raped with shipping or not. Then I still need to add $27 for the solderless kit and that exceeds what I have to spend. I am on a $80 budget for a 44 / 48V Pack right now.
I am not sure I want to order the solderless kit if I can solder 6 large capacity cells togeather times 2 for 12S. It is what I am struggling with right now.
https://www.ebay.com/itm/New-LG-LGDBHG2 ... 0005.m1851
This is the best deal I see on e bay right now. They are LG which are one of the top brands. However I will only get one 6S pack for less than $50. I will need two in series for 12S.
I have been on youtube looking at capacity tests for the generic no name brands. I know if they rate their cells above 34000 mAh or 3.4 Ah that it is garbage and less than 1 Ah.
I have spent almost the entire day looking. It looks like I either buy junk cells or just wait. Thanks.
OK. I got a text. I think I might be able to sell one of my bike frames on the back porch for $30. If so then I can get 24 of those LG cells and might have enough $$$ hopefully. Thanks.
https://www.ebay.com/itm/Lot-Samsung-18 ... 0009.m1982
I was hoping I could use pennies for battery connectors but the bottom of the AA battery melted to the penny.
I figured I would try to solder a wire to the positive terminal for practice. It took quite awhile to get a good connection.
I managed to solder two positive terminals to a wire, The soldering iron is a cheapo < $10 iron. The cheap 60W iron I got off of ebay the tip fell off so I threw it out and bought this one.
I will need much more practice on cheap cells before attempting to solder an 18650 or 26650 cell. I definatlly do not want to damage a good battery like I just did to the bottom of that AA battery.
It would probably be in my best interest to order the solderless kit before getting any cells. I am thinking about how I will wire the balance connecters. Also I could probably use some connecters. I am thinking if they are at least 2.5 or 3 Ah cells three packs in parallel will make either 7.5 Ah or 9 Ah.
It would be possible to solder three small connecters to bullets to hook to controller and a couple of connecters so I can charge with both the Skycharger and Megacharger since I am not parallel charging but balance charging each 6S pack. That is also why 2.5 Ah cells is the absolute minimum capacity I am looking for as I will be charging 6 packs to get 12S at 7.5 to 9 Ah. Also that is a total of 54 cells.
Also if I get a box of 60 cells I could build 13S packs for better performance. I would then get 10 to 12 Ah. I would be running 52 cells. four rows of 13 for a single 13S pack. four rows of 13 in parallel series instead of three rows of six in series with three rows of six for 12S - 7.5 or 9 Ah. 36 cells total.
For charging I could parallel charge 48 cells at once but then would need a different charger for the other 4 cells. It would still probably be a good idea to charge each 6S pack seperate at least once every three or four charges just to keep each cell better balanced. I see why they make a 13S BMS. I guess they make 13S chargers also but probably very expensive. Thanks.
https://www.ebay.com/itm/1PC-6S-15A-24V ... 0005.m1851
Walking to the beer store I thought of a better way to charge. I will need a few of these. Eight total unless they make a 6S BMS which can balance 24 cells. Then I would only need two. Eight is ridecelous. Four would work also. Each Balance charging 12 cells. I really see no sense in parallel balancing two or three cells togeather. It kind of defeats the purpose.
https://www.ebay.com/itm/LiPo-Charge-Ad ... SwAGhagPjk
The problem with balance charging is to many plugs to plug in and unplug. I guess eight BMS is the way to go. What sucks though is not being able to run 13S. I don't see how it could possibly be done without a 13S BMS and 13S charger both of which would be expensive.
drinking of course.
Am looking over the post and 13S is impossible but 18S is possible. Probably not practical for a 36 or even 48V brushed motor. However the 48V 1,800W brushless motor.
I need to build three 18 cell - 6S packs. 7.5 to 9 Ah depending on the cells I get. I will need a minimum of 54 cells. A lot of 60 is what I need. I might have to go with 26650 cells. 3.5 times 18 equel 63V. I used 3.5V for voltage under heavy load. The 26650 cells are usually 3.3V discharged and 3.7V fully charged so I will use 3.5 to take SAG into consideration.
Either way three packs need building and then an the 48V brushless motor must be built. I think it would easier though to go with a voltage booster like wturber has and work with 12S as it is easier to build and charge than 13S and easier to find a controller. Either 52 or 54V is target voltage for 40 mph with the 1,800W 48V brushless motor.
He has not posted latley. Mabye he is making cowboy movies. He looks like a famous actor from Hollywood. I just cant place the name though.
He seems like a good dude. I wish he would post and let me know the link for the voltage booster.
I build e bikes. There not always pretty or practical but sometimes they work, at least for awhile. Immortality is not a dream but the future of our evolution. We were given the tools to forge our own destiny. We were created in gods image and shall evolve to live forever.