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Thank you everyone. I can't buy a radpower bike where I am, unfortunately or I would have bought the radrunner. I currently have an old Giant e-bike that was 36 V 10A and the acceleration is woeful. It's a throttle bike mainly and it simply can't move after a red light turns green without...

I see, well then the question becomes: there are batteries that are 48 V * 10 A and others that are 36 V * 13A. Same Wh, but how would performance differ between the two? I keep thinking that a 36V * 13A battery would "feel" weaker when turning the throttle, all things being equal.

Hello, another total newbie question here. I think many bikes get you to 25 km/h over here. But there are also 7 speeds to choose from when pedaling. So if I'm using a throttle to 25 km/h and I also pedal at the same time, about how fast can I go? 30 km/h or 35 km/h? I'm talking about just an...

Hi, I hear conflicting info about whether or not it is necessary to pay a large premium for samsung, panasonic, sanyo, or LG battery cells inside an e-bike battery. I'm looking for a simple list of rock solid batteries in the 48V 10A and up range that have been tried by members of the forum. My...

Hi, wife isn't super enthusiastic about my chances of converting a regular bike to an e-bike. My best bet to keep everyone happy is to buy a pre-made e-bike and then try to do a small mod. The only one I want is to upgrade the battery. For example, many of the bikes I am perusing have a 36 V...

Thanks this is very helpful. However one person said Amperage has more to do with range and another said amperage has more to do with acceleration. But I see how power is related to volts and amperage and how you need both to be high if you want speed and acceleration.

Hi, I don't live in America anymore, but I like e-bikes. This bike is one of the top sellers I believe at Taobao and in Asia recently I *think*. They claim it's designed in America or something but I highly doubt this. g-force g14 Can you guys take a look at it and tell me if it's worth...

Hi， When it comes to real world applications to ebike batteries, when I look at a 48 V 12 A battery vs a 36 V 20A battery for example, (I know the latter may not exist) how would they perform differently given the same motor? I read online that Amps corresponds to capacity, yet someone else...

How do you know if you can remove the speed limit or not (before you buy the bike)? Also, will the top speed vary if you are able to remove the speed limit?

Thank you guys, I think that any learning value that I get from this project will be negated by the frustration of constant troubleshooting. I think that I have other endeavors that I would rather invest my time in at this point. I'll focus on asking for advice on buying a pre-built ebike then.

Thank you, I was under the impression that there are conversion kits you can buy that provide everything you need, and there is no soldering involved. I figured if I bought the right conversion kit and followed directions, it should work. I don't know which conversion kits are trustworthy, but...

Hi, basically how skilled do you have to be. I can read directions and that's about it. I know solder means to melt two wires together? That's what we're dealing with here.

Thank you all. There are literally too many brands to keep track of, and many appear to be the exact same bike with very small superficial tweaks. I think also here people do not do as much extensive research or at least write about it as I'm used to. Numerous brands also do not seem to have...

Hi, I am living in Chinese area but I can’t really read well enough to do ebike research. But what I can get are Chinese bikes or Asian bikes for local prices. 1. Could you please list some go-to Chinese brands and model names that are tried and proven over time? 2. I am looking for brand name...