Recent content by ketoi12345678

I intend to remove the BMS and let see how it work. Is it a good idea to test the bad BMS or bad battery pack?

I've just finish my 10p13s battery pack for my ebike 48v-1000W. I use this BMS http://www.ebay.com/itm/251497839451?_trksid=p2057872.m2749.l2649&ssPageName=STRK%3AMEBIDX%3AIT. The problem is when I just use half of the throttle, the bike is fine. However, if I use more than half the throttle, I...

Since the board has 3 holes, B-, output P-, Charging C-, Do I have to connect B- and B1- to the negative side of the battery pack?

I bought this BMS from ebay ( http://www.ebay.com/itm/251497839451?_trksid=p2057872.m2749.l2649&ssPageName=STRK%3AMEBIDX%3AIT ), but I don't know how to connect them to my 13s10p battery pack. There are 14 balanced wires. This is my first build, so please help me. This is the image of the board...

Hi everybody, I want to make 48v 20ah batteries pack. I knew that I have to make 14 batteries in series and connect 10 block like this in series to get desire voltage. Since I used old laptop batteries, they are vary in capacity. I know that I have to separate them by capacity. My question is...

Is this one work? http://www.ebay.com/itm/1-5v-12v-Battery-Capacity-Meter-discharge-Tester-18650-li-ion-lithium-lead-acid-/331562563240?hash=item4d32ab36a8 Where can I purchase the originial imax b6 to charge my lithium pack? thanks

I have about 240 cells 18650 form old laptop battery. My question are: 1. Can I use Imax B6 to test the cell capacity in parallel, but how many cells in parallel is the maximum? 2. Where can I get the original Imax B6,and which version? There are tons of FAKE on Ebay! 3. Is there any device...

Hi, I'm new member here. I want to build a battery pack for ebay 48v 1000w electric bike conversion http://www.ebay.com/itm/26-Electric-Bike-Bicycle-Motor-Conversion-Kit-eBike-Rear-Wheel-48V-1000W-/370934929537?hash=item565d71d881 I bought some old laptop batteries, but I don't know how to test...