The Electron Wheel fits most bikes with rim brakes, and doesn’t need any wires or throttles to operate. Just use your bike like you always have, but enjoy the ease of a pedal assist experience. You’ll be hooked after experiencing how the wheel neutralizes most hills and allows you to commute without breaking a sweat.
The drive you’re describing sounds like their Gen-2 kit. There are several builders who have used it, and it sounds like it works well at 36V / 48V. I believe it’s a common geared hub with minor modifications. Here’s the discussion on that kit: http://endless-sphere.com/forums/viewtopic.php?f=28&t=45740
Oh, one last thing. If you have a poorly formed connector or the wires are fraying, that can increase resistance and cause a voltage drop that might trip a cutoff condition. Just another thing to check for.
Charge voltage for li-ion cells is 4.2V per cell maximum. So for a 36V 10s battery you’d want to charge it to a maximum of 42V. Charging slightly lower will increase the life of the battery, but isn’t a requirement.
Get the most out of your electric bike, folding bike or scooter with replacement parts and accessories available at NYCeWheels. Whether you are looking to add on to and upgrade your bike to make it more fun, efficient or stylish, or you simply need to replace a part, NYCeWheels has a large inventory to assist you.
I’m wondering, what do you do for 6V or 12V applications where the correct number of in-series cells is ambiguous? For example, if I’m replacing a 6V SLA battery, it seems like the existing charging system would set a 1s battery on fire, but wouldn’t be sufficient to charge a 2s battery. Are there BMS’s that have VRs to step up the voltage from the charging system to the battery, and step down voltage from the battery to the charging system to facilitate a 2s battery for the application?
A fun, classic looking electrified tricycle designed for adults, it’s easy to mount, stable to ride and very adjustable in terms of speed and power, (go from 3 mph to 14 mph or slow reverse). Includes a rubber-coated metal basket that’s perfect for storing groceries, supplies or the included charger……
Shell Eco-Marathon Americas Competition 2014 1st and 2nd Place Winners Both Used an Electric Bike Technologies Hub Motor! The Mater Dei Supermileage Team of Mater Dei High School, in Evansville, Ind., took the top spot in the Prototype category. The team built a vehicle using an electric bike motor from Electric Bike Technologies USA and won the electric plug in class at the 2012 Shell Eco Marathon Americas. They raised the…
We strive to provide the best price available on BatteriesPlus.com and in our stores. Store pricing may vary from the price advertised on BatteriesPlus.com. Fees may apply for recycling, environmental disposal, and/or labor/installation.
Monster Scooter Parts is a worldwide distributor of electric bike parts. Our inventory of electric bicycle parts include a number of very popular electric bike conversion kits. These cleverly designed bicycle parts convert an old but functional pedal bicycle into a really convenient and economical battery powered work horse.
hi i was considering adding a second set of batteries to my ebike in parallel to double the range but heared on a thread somewhere that this can damage/overload the controller which i suspect is a load of tosh but can anyone confirm/clarify this as i assumed the amp hour capacity was just that and the max amp output was just that, the maximum that can be drained at once, my understanding is it doesnt matter what amp hr the pack is as the amps drawn into the controller is governed by the demands of the motor which wont change if i have 2 packs connected.
You’ll notice that for my charge wires I used larger diameter wires than the sense wires that came with the BMS. That’s because charging will deliver more current than those sense wires will. Also, you’ll notice the discharge wires (including the B- pad to the negative terminal of the pack) are the thickest wires of all of them, as these will carry the entire power of the whole pack during discharging. I used 16 awg for the charge wires and 12 awg for the discharge wires.
“Greetings, thought you may like to see an article about a scooter made using parts supplied by your company. It won first place in an engineering competition. Thanks for your help, and the fast delivery of the great parts!” – Dan from Tracy, CA
Your battery pack size is based on voltage and amp-hours. The higher the voltage and the higher the amp hours of your battery, the more range your battery will give you. A 48V 10-Ah pack gives you 480 watt hour (48 X 10). This gives you an easy way to determine exactly how much battery you are buying. The wattage of a battery is the only accurate determinant to judge what range your finished ebike will have.
This drive is new and is VERY similar to the recently popular Bafang BBS02. This pic was taken at the April 2014 bicycle show in Shanghai, China. Pic thanks to ES member d8veh. On Alibaba, these have been seen being sold under the “BTN” label (Back To Nature). Thanks to the German pedelecforum.de member “airbox” for the link. Danke Schoen!
Bike conversion kit usually includes an electric bike motor,a motor controller,throttle and brake lever,battery and charger is optional.The most popular electric bike kit package consists of 250 and 750 watts electric hub motor,36 volt 10 amp-hour lithium LiFePO4 battery,and 2-amp charger.
It’s not impossible, but I don’t have high hopes. When a few cells die like that, they tend to kill the other cells in the same parallel group and often can kill cells in the series groups adjacent to them. You could be looking at replacing a large number of cells outside of the ones with obvious damage, and it will be hard to confirm that you’ve found all the dead cells without pulling apart most of the pack. If you’d like to try, there’s a chance you can end up saving the pack for less than the cost of replacing it, but it’s going to be an uphill battle.
Gotcha. Can you recommend a manufacturer that sells a two wire version? Maybe I can look around their products and see if they sell any 7S cells, rather than sifting through all the manufacturers on Alibaba. Searches for “2 wire MBS” didn’t yield much. Thanks again for your help with this!
Hi Jose, sorry to hear about dogs and strangers making you feel insecure on your bike :/ the most drag-free system I’ve reviewed so far is the Add-E because it doesn’t even touch your rear wheel when pedaling and it’s super light weight too. The only downside is that it’s not very powerful… It would still assist you well though and the 600 watt version can go over 20 mph if you pedal along and then keep you there more easily. The basic 250 watt system cuts out at 15.5 mph to comply with European laws but also costs less.
Regarding your second question: I wouldn’t say the max amperage of the BMS is “dependent” on the controller, but it should be chosen with consideration to the controller. Think of it this way: your controller is what decides how much current your battery is going to supply. The controller is basically pulling that current from your battery. If it’s a 20A controller, that means the most it will pull out of your battery is 20A. So if you plan on riding in a style that uses full power for long periods of time (like hill climbing, dirt riding, etc) then you’ll need to make sure your BMS is rated at least 20A continuous. However, most people that ride on flat roads spend very little time at peak current. My ebike’s controller is a 22A unit, but I spend most of my time around 10-15A when cruising. A 20A continuous BMS would be good insurance in that case, because it means my BMS is rated to handle more continuous power than I generally will pull through it.
1 x 24V 500W Motor Brushed Controller. Electric Bike scooter twist throttle accelerator with power display, 5Led battery indicator. Motor brushed controller for Electric bicycle & scooter. Qty: 2PCS (…
I placed the first parallel group positive side up, and the second parallel group negative side up. I laid the nickel strips on top of each of the three sets of cells, bridging the positive caps of the first parallel group with the negative terminal of the second parallel group, as shown in the picture.
The other thing to consider is that if you have one 48-volt 10-Ah battery putting out a measly 20 amps, you can add a second version of the same battery, wire them together in parallel, and you will have a 20-Ah pack with a 40-amp capacity, thus effectively doubling your range and doubling your amp output performance.
Now that you’ve got an understanding for what a hub motor is… let’s talk about the benefits, drawbacks and ride quality. Hub motors tend to be peaky vs. torquey meaning they operate best at medium and high speeds. This makes them zippy and satisfying no matter which gear you’re pedaling in but less efficient over a range of speeds, especially slower ones. For example, if you’re starting from rest going up a hill and try to accelerate with a hub motor, it may struggle and even shut itself off. Here’s a short video I shot with a smaller 250 watt hub motor climbing a hill to demonstrate this.
We’re #fixedonfixed with @aventonbikes Cordoba track bike! Available now online and in store! #fixedgear #trackbike #fixie #urbanbike #citybike #singlespeed #mylegsaremygears #nycewheels 19.02.2018 – 16:18
Hey Brian, good question. You can actually do regenerative braking this way, the only problem is that you won’t be using the balancing circuit part of the BMS as it will charge straight back through the discharge circuit. Theoretically this is fine, with the exception of one specific case where this could be a problem. If you charged your battery at the top of a huge hill and then immediately rolled down that hill for a long time while using regenerative braking, you could actually overcharge the battery. That scenario is pretty rare though.
The motor, while geared, is very silent and compact and offers great torque for the size and weight. As with all geared hub motors as compared with direct drive motors, there is more possibility of wear over time due to the added complexity of moving gears inside the motor.
This kit has also been run at 72V X 30A = 2,200W/3-HP (with a different controller), but be aware that this level of power requires a swap to a chain primary reduction, or a wider belt. Also, the GNG allows for a stronger crankset to be swapped-in for riders who like radical jumps without bending the spindle (the BBS02 crankset cannot be upgraded).