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18.12.2017
 
GWL/Power Simple Battery Management Board 4 cells (12V/16A)

 

The SBM04/16H is designed for a simple protection of the 12V battery packs using the 3.2V LFP cells. 

The SBM has higher rating resistors (bigger ones) so that the balancing current is little bigger. For even higher balancing currents we suggest adding the CBM1 module or modules. The examples of the installation are here: 12V battery24V battery48V battery.

09.11.2017
 
EVMosquit is here!

         

 

he EVMosquit is a hybrid between an electric bike and scooter! Enjoy the comfort of the electric bike with the speed of the electric scooter. 

09.11.2017
 
EVMosquit at InterSolar 2017

 

We will be showing the EVMosquit at InterSolar 2017. Come to check with us at Intersolar 2017: Hall B2, Booth 459

If you want more details about EVMosquit now, please contact our technical department

13.08.2015
 
Do EVBIKE battery support of regeneration (recovery) braking energy?

The EVBIKE batteries do not support regeneration of braking energy ( in order to protect cells and their service life ). In normal terrain is regeneration of return around 3% of energy back, for us it is not great benefit relative to said lives of battery. If you want use regeneration of energy, we recomend to you compose own accumulator. For example from LiFePO4 cells.

13.08.2015
 
Do EVBIKE set support regeneration (recovery) braking energy?

Regeneration of braking energy is technically possible only in the set EVBIKE WHEELKIT, the set EVBIKE CENTRAL KIT regeneration of braking energy doesn´t support.

The set EVBIKE WHEELKIT is programmable and allowes you set several degrees of force energy of regeneration. This setting you can find in DETAIL MANUAL for LCD display. You can activate regeneration when you briefly press braking levers.

The EVBIKE BATTERY do not support regeneration of braking energy ( in order to protect cells and their service life ). In normal terrain is regeneration of return around 3% of energy back, for us it is not great benefit relative to said lives of battery. If you want use regeneration of energy, we recomend to you compose own accumulator. For example from LiFePO4 cells.

13.08.2015
 
Switch brake levers

Switch brake levers are for fast stop motor during abrupt braking.
The EVBIKE WHEEL KIT set have longer overrun of motor, is necessary to use switch brake lever for accepting law. In EVBIKE CENTRAL KIT is not necessary instal switch brake levers, because when you stop pedaling, motor automatically stop working during few milliseconds. Freewheel not affect a braking parameters of bike. This set is suitable for bikes with hydraulic disc brakes. You can use the unutilized conector of braking levers for connect for example GEARSENZOR.

10.06.2015
 
EVBike legislative

The law requirements in the EU countries are different.

Here is one EPAC standard for EU countries which is define the electro bicycles – 250W and 25 km/h. But some countries has some differences in their local standards. For example in Czech country we have for the conversions kits different rules and such powered bike can reach up to 1kW of power.

Our EVBIKE kit does meet this requirements due the full programable controler.
See the manual, how many parameters you couls setup.

So you could set up the power, speed, accelerator mode and so on. Anyway, We don´t know your national requirements for electric ebike kits. If  there any possibility to increase power, as we have in Czech. This is up to you the learn your national law.

11.05.2015
 
More information about EVBike can be found at technical blog GWL Power

More information about EVBike can be found at technical blog GWL Power.

15.04.2014
 
Rear HUB - Which type of freewheel?

Question:

I read in the doc that the fitting of a rear wheel is not recommended for 8 gears and more, but most of modern mountain bikes are equiped.
I guess this is a problem of space. Can you tell me the space needed for mounting on the rear wheel?
Thank you in advance for your info.

Answer:

Even though rear wheel drive conversion may seem more complex and not that fast as a front wheel drive, it has some advantages:

  • rear fork is stronger
  • disc brake fits more probably
  • "motorbike" design and feel

See picture bellow where you can see nine speed freewheel (it is not EVBike motor however the dimensions are the agree). You may need to use a washer to make a distance between freewheel and motor bigger (in case the chain interferes with motor). Another washer might be needed for the other side of the freewheel (in case the chain interferes with rear fork). These washers may higher the standard dropout 135mm a bit however it is not a problem in most cases.

Also please note that you must use a freewhell with thread, not cassete type!

For example see: http://sheldonbrown.com/freewheels.html

   ...more >>

10.05.2013
 
A multi power Hybrid-Bike - all of this is possible

A multi power Hybrid-Bike - all of this is possible

An all-ride–all-drive bike:  the human power + the gasoline auxiliary engine + the EVBike motor in the front wheel.

10.05.2013
 
Yet another EVBIKE reference - Super Bike!

Yet another EVBIKE reference - Super Bike!

The bike with EVBIKE compatible components: high power motor and 48V battery pack made of WINA cells.

01.05.2013
 
EVBIKE with WINA LiFePO4 battery

EVBIKE with WINA LiFePO4 battery

The photos show customer references for bicycles concerted to electric bike using the EVBIKE components.

The top design shows battery pack with WINA cells.  The discharging information log data recording is also provided.

26.04.2013
 
Low Frame version of the EVBIKE

Low Frame version of the EVBIKE

See the photo of our customer project for a low frame version of the EVBIKE.

09.04.2013
 
The smallest EVBIKE wheel

The smallest EVBIKE wheel

The EVBIKE motor can be mounted into this size of wheel. 

29.03.2013
 
EVBike with a dual battery

EVBike with a dual battery

Check the idea from one of our customers. When one battery is empty, the second battery can be used to continue the drive.

Check more about the EV-BIKE components.

03.02.2013
 
Improved EVBIKE kits for 2013

Improved EVBIKE kits for 2013

With the coming of the 2013 season, we are getting ready with the new improved EVBIKE kits that make it much easier to finish the installtion. We will be soon publishing more details on our web pages. See the preview images of the innovations.

22.10.2012
 
Testing the EVBike and EVSlider

Testing the EVBike and EVSlider

Our customers are testing the EVBike and EVSlider demonstration units.

Note: we do not sell the complete bikes and sliders. We only distribute the EVBike components. You need to assemble the EVBike and EVSlider in your locality using the bikes and sliders available on the market at your place.

Your chance: We look for partners who wish to co-operate with us and assemble the complete EVBike and EVSlider products at their area of business.

22.10.2012
 
EVSlider - photos and details

EVSlider - photos and details

The photos of the 20" front wheel EVSlider with 500W engine. Do you like it?

22.10.2012
 
EVSlider - the solution for the EV mobility in the cities

EVSlider - the solution for the EV mobility in the cities

Check with us for the news on the EVSlider models and features. See the 26" and 20" models with 500W drive at 36V.

30.09.2012
 
The EVBike Bottle Battery

The EVBike Bottle Battery

Improvement to the design of the EVBike kits:  in addition to the standard battery, we offer the new model of the “bottle battery”. This battery can be placed in the middle of the EVBike frame, where usually the bottle with drinks is located. This way the weight of the EVBike is more balanced.

Check our offer of the EVBIKE components here.

28.09.2012
 
The EVSlider by FST CZU in Pilsen

The EVSlider by FST CZU in Pilsen

A project similar to the EVSlider concept was also realized by faculty of machinery in Pilsen, Czech.

22.09.2012
 
EVBIKE battery connector details

EVBIKE battery connector details

We now offer the connectors compatible with the EVBIKE battery. Check our offer of the EVBIKE products here. The EVBIKE battery connector is usually designed like this: Pins 1&2 = PLUS pole, pins 3&4 = MINUS pole. Anyway we suggest to check always before making the installation.

12.09.2012
 
EVSlider - innovative way to travel in the city

EVSlider - innovative way to travel in the city

We are coming with the concept of EVSlider, an electric street-slider (scooter) to allow an easy travel for short routes in cities and neighbourhoods.

The EVSlider is based on the EVBike components. Keep checking our blog for more details.

21.07.2012
 
Checking the performance of cells after 2 years of usage in EVBike application with 100+% for most cells

Checking the performance of cells after 2 years of usage in EVBike application with 100+% for most cells

Based on a customer request, we performed a cell performance verification for the capacity of the cells.  Despite a heavy usage and some abuse instances, the capacity of majority of the cells was above 100% of the nominal capacity.

08.07.2012
 
EVTrike - making an electric tricycle using the EVBike components

EVTrike - making an electric tricycle using the EVBike components

A simple way to make an electric tricycle. Installing the EVBike components to get a mobility solution for elderly people or for goods-transportation.

15.01.2012
 
FAQ: What is the battery inside the EVBike 36V/10A battery pack?

 

FAQ: What is the battery inside the EVBike 36V/10A battery pack?

   ...more >>

27.12.2011
 
Electorbikes.com - electric cruiser in the retro style

Electorbikes.com - electric cruiser in the retro style

Check at http://www.electorbikes.com/ - using the EVBIKE components from GWL/Power. 

27.12.2011
 
Assembling a 48V/20Ah battery pack for an electric bike with a SBM module to manage and protect the cells.

 

Assembling a 48V/20Ah battery pack for an electric bike with a SBM module to manage and protect the cells.

26.11.2011
 
Another EVBIKE kit reference. How do you like it?

Another EVBIKE kit reference. How do you like it?

08.11.2011
 
EVBIKE Manual English Vesrion - updated

 

EVBIKE Manual English Version - updated

Please see the latest version of the EVBIKE manual. Download here (PDF)!

08.11.2011
 
FAQ: Modifying the controller for EVBIKE to get additional fuctions

 

FAQ: Modifying the controller for EVBIKE to get additional fuctions

Test at your risk:  you can make additional hardware changes in the controller to get some of the requested functions: regenerative braking, reverse drive, electric brake. See the information file here (PDF).

Note: this kind of modification will end the warranty provided by the manufacturer.

25.10.2011
 
EVBIKE - Installation Manual English  (v4)

 

EVBIKE - Installation Manual English  (v4)

Download here: http://www.ev-power.eu/docs/EVBIKE_Manual4-EN.pdf

05.10.2011
 
EVBike kit installed in Switzerland

EVBike kit installed in Switzerland  (foto supplied by a happy customer)

24.09.2011
 
EVBIKE shipment is here!

EVBIKE shipment is here!

With 6 weeks of delay we have finally received the “August” EVBIKE shipment. Please place your orders for EVBIKE sets now to get the goods from the stock supplies.

17.07.2011
 
FAQ: What is the exact technical specification of the hub motors in the EVBike kits?

FAQ: What is the exact technical specification of the hub motors in the EVBike kits?

Answer:  We are using the Nice Continent motors: FRONT model 205B-27-7x9 with M12 axle, REAR model 205B-27-7x9 with M14 axle.

08.07.2011
 
Pins of EVBIKE

A connection of the 2-pin, 3-pin, 4-pin and 5-pin connectors used in e-bikes. 

06.07.2011
 
FAQ: How to set/remove the speed limit for the EVBIKE kit?

FAQ: How to set/remove the speed limit for the EVBIKE kit?

Answer: The speed limit is managed by the controller. The speed lowering loop wire connector (see picture) allows to turn on/off the speed limit function.

Note: the speed limit is mandatory for EU countries when driving on public roads.

06.07.2011
 
FAQ: Can you also deliver different sizes of the rims with EVBIKE hub motors?

FAQ: Can you also deliver different sizes of the rims with EVBIKE hub motors?

Answer: as of July 2010, we deliver only the 26" size of the wheel. The reason is that the 26" is the most demanded model and we can offer a better price with volume orders. Please check our offer of the EVBIKE components here.

Additionally, please note that due to the volume discounts, the price of the motor with rim 26’’ is basically the same as the price of the motor/hub alone. This is also the reason why we do not offer the motor/hub alone.

If you need a different size of the rim, or you wish to use your preferred brand of the rim, just remove motor from the 26" wheel, and then get spokes into another dimension of the rim.  If customers want to use high-quality (brand rim), rim or other sizes than 26", then the best option is get spokes into to the desired rim.

31.05.2011
 
The EVBIKE kit at the show of PRAGUE Electric Power Company

The EVBIKE kit at the show of PRAGUE Electric Power Company

We are displaying the EVBIKE kit solution at the E-MOBILITY show organized by the PRE company.

29.05.2011
 
EVBIKE - EVBAT36V10A discharge characteristics

EVBIKE - EVBAT36V10A discharge characteristics

The 36V 10Ah battery provides more than 360Wh of energy for the electric bike. Check out discharge test to show the performace at 2C discharge (20A).

Download the PDF file here.

21.05.2011
 
EVBIKE components installed

EVBIKE components installed

 

21.05.2011
 
Ovierview of the EVBIKE components

Ovierview of the EVBIKE components

The EVBike conversion kit is designed to rebuilt your standard bike into an e-bike.

Save your energy and protect the enviroment - get the electric bike!

The kit contains

  • front or rear (back) rim with spikes and the hub motor 36V/500W
  • the controller for the motor - 36V/22A - supports the EU speed limit of 20km/h (the limit can be removed)
  • pedal assistent - hall’s rotation sensor + magnets
  • the torgue arm (only for the front kit)
  • eBrake - brake handles with electric switches
  • electric power twist throttle

21.05.2011
 
The EVBIKE LiFePO4 battery placed at the aluminium holder

The EVBIKE LiFePO4 battery placed at the aluminium holder

The LiFePO4 battery specification is 36V/10A. The delivery includes an universal luggage holder with docking of the battery, light weight made from aluminium + all the necessary the mounting accessories for the luggage holder, the 230V charger for EU plug.

More info at ev-power.eu.

21.05.2011
 
EVBIKE - the electric hub wheel for any bicycle

EVBIKE - the electric hub wheel for any bicycle

The nominal output power at 36V is 500W. Check the pricing at EV-POWER.EU.

16.05.2011
 
The EVBIKE battery - lithium iron 36V/10A

The EVBIKE battery - lithium iron 36V/10A

High power lithium iron battery pack to power the EVBIKE conversion kit. The LiFePO4 battery pack gives the energy to power the e-bike with the EVBIKE kit.

The EVBike lithium battery 36V/10A includes:

  • the battery pack 36V/10 with protection electronics inside
  • an universal luggage holder with docking of the battery, light weight made from aluminium
  • the mounting accessories for the luggage holder
  • the 230V charger for EU plug

19.04.2011
 
EVBike - the simple EV Bike kits

EVBike - the simple EV Bike kits

Just check how easy it is to convert your bike into an EVBike!

20.02.2011
 
EV Bikes - the power vs current vs voltage ratings

EV Bikes - the power vs current vs voltage ratings

Battery voltage 24V  (2x 12V battery, or 8x 3V cells)
motor 250W     nominal 11A          peak >20A
motor 500W     nominal 22A          peak >40A
motor 750W     nominal 33A          peak >60A
motor 1000W     nominal 44A         peak >80A

Battery voltage 36V  (3x 12V battery, or 12x 3V cells)
motor 250W     nominal 7A             peak >15A
motor 500W     nominal 14A           peak >30A
motor 750W     nominal 21A           peak >45A
motor 1000W     nominal 28A        peak >60A

   ...more >>


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