A few Bosch questions

[KTM Bike Industries UK]

depending on your model, we've just offered our dealers a load of clearance Bosch Batteries. I know eMotion in Swindon have ordered some. Might be worth phoning them, or indeed contacting your local KTM dealer to see if they can help you.

 

[El Champiero]

I got a quote from a trusted supplier in China selling compatible Bosch e bike batteries. They use the same Samsung cells which are inside the genuine Bosch batteries.

They quoted me $140.60 for the battery. Not yet sure about carriage but I reckon its going to be around $80. That would make it a very good deal and I think it should work absolutely fine.

Details below for the supplier:

http://gd-battery.en.alibaba.com/company_profile.html

 

[Hugh]

It'd be interesting to know how you get on if you do decide to import from China - actual costs etc, and if the battery's actually any good when it comes

 

[El Champiero]

I'll definitely report back on it. In the meantime I have a spare 288wH genuine Bosch battery which has been used twice. I am thinking of selling it soon.,...

 

[Hugh]

Hi,

PM sent (I hope )

 

[BobJ]

Hi,

PM sent (I hope )

I can't see a PM Hugh!

 

[Hugh]

Bum! I can't work this new system

Just wondered how much you might want for your battery.

 

[KTM Bike Industries UK]

I got a quote from a trusted supplier in China selling compatible Bosch e bike batteries. They use the same Samsung cells which are inside the genuine Bosch batteries.

From experience of dealing with Chinese factories and suppliers in a variety of industries I would point out that, there isn't really such thing as a trusted supplier. They will copy and fake anything and everything. So always be wary

 

[trex]

so you buy from China?

 

[shemozzle999]

From experience of dealing with Chinese factories and suppliers in a variety of industries I would point out that, there isn't really such thing as a trusted supplier. They will copy and fake anything and everything. So always be wary

Bosch does:

http://europe.autonews.com/article/20120822/ANE/120829976/bosch-to-form-china-jv-to-produce-motors-for-electric-scooters

http://www.bosch.com.cn/en/cn/boschglobal_china/escooter/home.html

 

[KTM Bike Industries UK]

so you buy from China?

Yes, lots of experience over the past 10 years.

Ill give you some examples when I'm on my computer.I'm not saying there aren't some great companies and some great individuals.

What I'm saying is no one really trusts them. Some massive factories have "shafted" some huge world wide brands.

 

[RobF]

Some massive factories have "shafted" some huge world wide brands.

Aston Martin being the latest example:

http://www.bbc.co.uk/news/uk-england-coventry-warwickshire-26058905

 

[Croxden]

When I was working and living in the Potteries I wanted a china tea service as a gift for relatives in Scotland. Flying the flag sort of thing. A friend said he could get me one at a discount. Turned out it was porcelain 'Made in China'.

I went elsewhere for it.

 

[BobJ]

Hi everyone
I've had some great battery feedback and offers from a number of dealers, particularly from David at electrifyingcycles and Mark at e-motion in Swindon.

However member El Champiero offered me an almost new battery at a great price which suited my needs exactly so I'm now sorted, just a "dongle" to sort out sometime now.

 

[El Champiero]

I take the point about Chinese suppliers. You certainly do need to be careful. There are bound to be unscrupulous dealers in amongst the honest ones.

 

[trex]

stick to the ones recommended by members.
If you want to buy enough to trade, check that their factory has a valid export licence.
Avoid also companies with a sister company based in HK doing import/export, you pay their HK company while the order is fulfil by mainland China, if something goes wrong, it's difficult to solve.

 

[El Champiero]

Cheers for the advice. It is a minefield out there.

 

[Deere John]

Strange, are you possibly using a hub gear as opposed to derailleur? This can alter things.

Also I spoke to Mr Bosch about the walk function and although they have increased the level slightly on newer models, they didn't want to up it too much as they were afraid of it turning into a 'lazy button'.

I have found the walk assist very quick in hardest gear.

Interestingly on the older system I can update the software to newer firmware that should increase the walk assist slightly.

Regards
Martin

About this issue. I long thought the walk assist was completely useless.

Background: My older ebike with a standard china-system have a throttle. There I use it when pushing the bike up steep hills in the forrest. Almost only then. It is really amazing there. If you set it too much you have to run after your bike in the hill (there is also cruise function so it remains on the setting after a few seconds, then you can release throttle and concentrate on steering).

Well. That was VERY different on the Bosch (CX-line). But after reading this I have tested a little more, now I find it useful but still far from good in above situation.

On highest gear, the bike goes decently fast when walking on flat surface. Uphill it is very bad because it is not enough power.

On lowest gear, it's the opposite, slower (about 1km/h slower) but more power that can actually climb a hill. But it works very odd. It kind of pulses the power so you have to keep pressing the button and just wait until it starts to pull again. And this goes on and on, along with the very slow speed this makes you just have to wait if you don't want to push the bike yourself it works, but it is very slow and difficult keeping the button pressed when climbing up a hill (eg forrest trail).
(I'm considering adding an of/off switch in parallell with the button).