- Special Products (4)
- Machine Data (mFi) (8)
- CALB (40Ah-400Ah) (24)
- LiFePO4 small cells (8)
- LiFePO4 w/PCM (6V-12V) (2)
- LiFeYPO4 batteries (12V) (4)
- Sinopoly (40Ah-300Ah) (16)
- Winston ( 40Ah-200Ah) (17)
- Winston (300Ah-1000Ah) (10)
- WINA (30Ah - 100Ah) (7)
- Chargers Single Cell (4V) (3)
- Chargers ( 6V to 96V) (20)
- Chargers (TC-charger) (20)
- DC Power Supplies (6)
- DC Contactors (10)
- BMS123 System (9)
- SBM - CBM (9)
- EVBike Kits (5)
- EVBike Parts (15)
- GridFree Inverters (9)
- Micro-Inverters (5)
- Solar MPPT/PWM (17)
- Solar Panels (16)
- Connectors & Cabling (14)
- LED bulbs E27 (14)
- LED bulbs E14 (8)
- LED bulbs GU10 (4)
- LED reflectors (5)
- LED strips (11)
- Measure & Test Tools (15)
- Support & Services (4)
- Discount Sales (7)
GWL Power Blog
Our sales department will keep working during the Christmas holiday week. We will be available on Dec 23rd, Dec 27th and Dec 30th for the processing of your requirements and orders. During the holiday days - Dec 24th, 25th, 26th, 31st and January 1st the offices and warehouse are closed. All pending orders will be processed on January 2nd, 2014.
Enjoy your holidays! Merry Christmas and Happy New Year 2014!
EVBoiler Storage Water Heater is an electric water heater (boiler) with a 100 liter storage tank. It is powered both from DC power – directly from solar panels up to 2kWp. The solar energy from the photovoltaic panels can be stored as a hot water. Direct Solar Energy - direct photovoltaic water heating – no thermal solar – direct DC power from the solar panels. No need for a regulator or other electronics. Learn more about the EVBoiler Storage Water Heater AC-DC GridFree Direct Solar.
Universal Alcaline Batteries - the most favourite cells for everyday use: AA, AAA and 9V size. Check our offer of these high quality alcaline cells. These alcaline cells are also offered as a part of your order rewards. If you make an order, you can add thece cells and other products at promotional discounted price. Take your chance and get this benefit for your order at EV-POWER.EU!
The Tracer MPPT series charge controllers provide the easiest solution for charging of the batteries from solar panels. The Tracer products are designed to work with 12V or 24V battery packs. The size of the solar panels is from 20W to 1000W. Check the the specification PDF with more details. See the Tracer on-line offer. The Tracer controllers can be linked to Windows PC using the Monitor for Tracer series.
The initial charging is very important before using of the cell. Check the offer of the new battery and cell chargers. We have in stock high current 3.2V/18A single cell charger. The 12V chargers are used to charge 4 cells. Check the new versions 12V/5A, 12V/10A, 12/15A. The 12V battery pack can be simply monitored by Akumon V2.
Introducing lightweight flexible solar panels for easy installations at variety locations where standard panels cannot be used. Learn about the new technology for the Flexible panels 60Wp, 80Wp, and 130Wp. We promise to offer you the best flexible panels on the market. See many ideas about flexible solar panels at the GWL/Blog pages.
Making the battery packs for energy storage is very easy! Check our promotional offer for the large capacity lithium cells 700AH and 1000AH. These are the largest cells on the market. Learn how to assemble these into a powerful battery packs.
Note: this is a special promotion with a limited time period.
The solar charge controllers with the Maximum Power Point Tracking (MPPT) help you to save the energy from solar panels to batteries. Check our offer for the MPPT Tracer series for 12V and 24V battery packs. We also offer the eTracer series for 12V, 24V, 36V and 48V. Learn about the Solar Controller Monitor to log data to your PC. View the complete offer for the solar charge controller products.
EVBike kit innovation is here: Check the complete kits for the EVBike now! The kits are 36V/500W with options for 26" FRONT, 26" REAR and 28" FRONT wheels. Many advantages: universal kit for every bicycle, simple and fast installation, intelligent control through LCD display, powerfull 500W wheel HUB motor (5 steps regulation), waterproof wiring with color coded connectors. Get many accessories and components to improve your bike. [More info at GWL/Power Blog]
Each September we give you a chance to enjoy a promotion of selected products at special SALE! pricing. Get the quality products for reduced price. See our Discount Sales Section page 1 and also page 2. We offer: mounting components, copper belts, high power chargers and even motor controllers. All products are fully new and they come with a regular warranty.
Akumon A2 - 12V LFP battery monitoring and balancing board. Introducing the New Version 2. The improved version of the AKUMON allows the easy management of 12V lithium block batteries. The new version has improved output functions and provides support for multiple batteries. Check the details about the AKUMON New Version 2. Do not leave your 12V lithium batteries without proper monitoring. Get your AKUMON now!
Sinopoly Lithium Cells now with more product variety. Check our enlarged offer for the Sinopoly LiFePO4 cells. We have the most demanded models SP-LFP40AH, SP-LFP60AH-2, SP-LFP100AH. For larger capacity projects and for storage solutions we offer the bigger SP-LFP200AH, SP-LFP300AH cells. See our complete offer for Sinopoly Cells 40AH to 300AH. We welcome your orders now!
Charging plug and cable for electric cars - model Yazaki SAE J1772 with 5 m cable, designed for 16Amp. High quality plug compatible with many EV cars: Nissan Leaf, Mitsubishi Miev, Citroen C-Zero, Peugeot iOn. See more details for the J1772 Plug with cable for EV car L2 charging (16 Amp - 5 meters). We keep stock for fast shipping in Europe.
Come to meet GWL/Power at the InterSolar 2013 in Munich Germany. The exhibition takes place on June 19th to 21st, 2013. Together with our partners we will be showing components and solutions to produce and store electric energy. We will be displaying affordable solar panels 20Wp to 280Wp, direct solar invertors and micro-invertors, the Energy Storage Solutions using high capacity lithium cells from small cells 40AH to large cells 400AH. We welcome all friends, partners, customers and everybody to come to meet us at InterSolar 2013. You can also follow the InterSolar news at our GWL/Blog InterSolar section.
The advanced products for DC power solutions. The easiest way to manage the AC devices remotely using the IP ethernet protocol: The AC socket Ethernet Controller 230V/16A . A complete BMS system with single-wire connection of the Cell Modules and easy operation: The BMS123 complete system available on-line. Check the BMS123 support pages.
EVTraxer – build the electric car your own way. The EVTraxer platform is the only EEC homologated platform that allows to finish the construction of a fully functional electric vehicles in just weeks or even days! Wish to build your EV right now? The EVTraxer, an open project electric vehicle platform is a way for you. Homologated for public roads in EU. Just finish your kit and Go!
Special promotion offer of 48V chargers! The 48V is the most frequently used voltage level for DC systems, including solar batteries, energy storage and small traction solutions. Check our special offer for stock supplies of the 48V charges. This offer includes chargers from 30 Amp to high power 150Amp models. The special offer is limited untill stock supplies last.
Study the examples of two solutions for small size Energy Storage:
1) The 5kWh Universal Energy Storage Setup - a practical realization of a mid-sized energy storage solution with 5 kWh of energy capacity. The modular design to store energy from the AC 230V grid and to release the energy back to the grid.
2) Micro Energy Storage Setup with solar charging support - a small size energy storage solution with 3.2 kWh of energy capacity with 230V/230W AC grid-tied power output. The basic concept of the energy storage with easy expansion.
Our complete range of products for solar and energy solutions: Starting with solar panels from 20Wp to 280Wp. Saving the solar energy into batteries using the MPPT and PWM solar regulators. Generating the grid-tied energy for 230V AC grids using the 230W Micro-Inverters and the multi-string GF-2000 inverters. Learn about the MicroInverter advantages at GWL/Blog.
Micro-inverter is a small direct solar energy generator. It collects the energy from solar panels and transforms it into AC230V/50Hz grid level energy. You can simply use the micro-inverter to produce the energy on your own and to reduce your energy demands from the grid. Check our offer of the GridFree micro-inverter products. Understand the benefits of the Micro-inverter technology by studying the details at GWL/Blog.
Now you can start with electric mobility driving Electric Scooters MGY 1500W - 64V/20Ah. Make a decision to do something about the electric mobility. Get an electric scooter. Excellent for traveling for short distances in the city or villages. The MGY 1500W scooter is running with 64V battery and brings great cost/performace ratio. Special offer of the 2012 models. Check the details for the Electric Scooter MGY 1500W.
Solar panels with 230Wp and 280Wp - ideal for any kind of solar installations. Let the sun bring the power to you free of charge. The solar panels will help you to generate the electric energy at you location when-ever you have sun-shine. Check the details for the 230Wp and 280Wp solar panels.
The 12V LP batteries are ideal for 12V and 24V simple solutions. They are recommended for energy backup solutions with no deep discharge situations. They can also be used as starting batteries in normal gasoline cars. Check details about the usage of the LP12V batteries. See our offer for the special promotion of the 12V LP batteries.
Check our offer for the WINA cells. We have added the 8AH and 15AH models. Why to choose WINA? High power density, high performance, robust aluminum case, long life span. Test these cells and see for yourself. See the complete line of WINA LiFePO4.
mFi is a M2M management software and hardware solution that is designed to work with Ubiquiti’s mFi product line. Use standard Ethernet cable to connect machines or sensors. Use Wi-Fi to connect mFi nodes seamlessly into your IP Network. Unlimited device scalability. The mFi allows to connect a variety of detectors or signal sensors. The sensors are connected over router or Wifi aceess point. Check the mFi products at our Machine Data (mFi) section. Follow the details at our GWL/Blog..
The LAN controller is a very smart device that can help you to manage a lot of equipment based on the detection of measured values and a time schedule. It is possible to connect a variety of detectors or signal sensors. The current status of the inputs can be monitored on-line over Internet using the web server. The settings of the LAN controller are made remotely over web page as well. In addition the LAN controller allows sending data using plain email. Check the offer for the LAN Controller.
The EVBarrow is a solution for the electromobility at every garden and farm. Make your life easy with the EV powered EVBarrow. Up to 400W of power gives you the drive to move the loads faster and with less hard labor. See the additional information for the EVBarrow at GWL/Blog.
The EVDock is 100% wooden CarPort to shield the car and protect it against direct sunshine, rain, snow, etc. It is designed as a self-construction kit that can be assembled by two people just in a few hours. Check more details and photos of the EVDock at GWL/Blog. Now you can order the EVDock on-line.
Thank you for meeting us at eCarTec 2012! We wish to thank to all our customers, friends and partners who came to meet us at Munich – October 23rd to 25th. HALL 2D, booth 520. We will be updating our web pages to show the latest products demonstrated at eCarTec. Check details and photos from the show at our GWL/Blog.
High Power Solar Panels: We deliver high power solar panels for FV solar installations. From one panel to large projects. All panels are high quality panels, 100% with full warranty. Check our latest offer for high power 280Wp POLY panels.
Energy Storage solutions: In co-operation with our partners, we have supplied lithium cells for a project of 1MWh mobile energy storage solution. This project is scheduled to be completed in November 2012. It is grid-tied 1 Mega Watt-hour solution to allow energy storage, release and buffering to the 3x400VAC network at switching times of >0.001 second. Check for details about the 1MWh energy storage solution .
New LiFePO4 models in our product line: High power LFP cells in aluminium casing. Ideal for high current applications and for the energy storage. See details about these 36AH, 50AH, 72AH and 100 AH cells. These cells have low weight, extra stability and improved mechanical design. Study our test report showing the results for the 36AH cells in contrast with SLA battery. Download the test report here: Test report of the WN36AH battery pack.
Do you need to swich high currents? Check our offer for the high current latching relay designed for AC and DC voltage with a maximum current 100A DC (at 48VDC) or 120A AC (at 250VAC). The advantage of the lachting relay is that there is no need for continueous powering of the operating coil. See details about these Latching Relays.
Solar Energy solutions: direct solar invertors, sine inverters and micro-invertors. Energy Storage: DC power solar chargers, hybrid and grid-tie invertors, off-grid power solutions. Lithium Cells: high capacity lithium cells from 200AH, 400AH, 700AH, 1000AH. Chargers: complete battery charging and BMS management solution. Check for details about the GridFree solutions at the GWL/Blog pages.
Single Cell Chargers - 3.65V - 6 Amp and 20 Amp models. Designed to charge a single cell (1S) of the LiFePO4/LiFeYPO4. Charging current: 6.0A Max and 20A Max. It can charge any 3.2V LiFePO4 rechargeable cell. This charger can be used for any LiFePO4 cell to make the initial charging to reach 3.65V level. Check more details and order on-line here!
The LAN controller is a very smart device that can help you to manage a lot of equipment based on the detection of measured values and a time schedule. It is possible to connect a variety of detectors or signal sensors. The current status of the inputs can be monitored on-line over Internet using the web server. Check more details and purchase here!
Visit GWL/Power booth at the largest Solar and Energy exihibition - InterSOLAR Europe 2012. Date: June 13th - 15th, 2012. Place: International Congress Centre Munich (ICM), Munich, Germany, location: Hall B4, booth B4.240. Check the official website for more details: http://www.intersolar.de
GWL/Power will be present at the largest European energy and power related conference & exhibition - POWER-GEN Europe 2012. Date: June 12th - 14th, 2012. Place: Koelnmesse, Cologne, Germany, location: Hall 6, booth 6F231C. Check the official website for more details: http://www.powergeneurope.com/index.html
GWL/Power will be showing the advanced lithium batteries in co-operation with the China Aviation Lithium Battery (CALB). We warmly invite you to come, meet us and discuss the co-operation.
We have increased the offer of various models of the small capacity cylindrical LiFePO4 cells. These cells are ideal for low energy equipment and for many energy applications where tradicional round cells are used. We now carry the 3AH, 5AH, 8AH, 10AH, 15AH and 20AH models.
Check our web page http://www.ev-power.eu/LiFePO4-small-cells/
Check our new offer of the DC power connectors. We offer the popular "Anderson" type 50A and 120A connectors with several different voltage marking: Yellow - 12V DC, Red - 24V DC, Blue - 48V DC, White - high voltage up to 144V DC.
We are now offering the RT-BMS Cell Ballancing Units (CBUs) with dual power MOFSET transistors that allow the ballancing current up to 10A. The sucess of the balancing function is dependent on proper cooling of the high-power transistors. These must be mounted onto a sufficiant cooler.
Check the RT-BMS offer at EV-POWER.EU
GWL/Power Solar Charge MPPT Regulators - GridFree Tracers Series
GWL/Power Tracer series solar charge controller adopts MPPT technology (Maximum Power Point Tracking). The advanced tracking algorithm make the solar module operate at ideal voltage which the solar modules can produce the maximum available power. Compared to conventional PWM controller, MPPT technology increase charge efficiency up to 30% and decrease the power of solar array needed. The solar chargers have been tested to prove the support for the LiFePO4 technology.
Check the offer of the Tracer Series on-line
DC Power contactors are designed to connect and disconnect high DC currents. Check our offer of the DC Power Contactors 100A, 200A, 400A and 600A. We offer the concators with 12V and 48V voltages for the switching coil.
Check our new web section of the Electric Vehicle (EVCar) Components and Parts. We are offering professional automotive components that make it easier to build and operate the EVCars.
A simple solution to disconnect a 230V device from the AC power (off the grid). The built in light also gives an evident identification if the socket is on the power or not. Check the GWL/Power Socket with swich 230V 16A .
A safety hint: We always recommend a complete hardware disconnetion of any equipment from the power sources when the equipment will be left unsupervised.
Check the new models of the PCM batteries: LP12V25AHP, LP12V34AHP, LP12V42AHP in addition to the existing models: LP6V4AHP, LP12V7AHP, LP12V12AHP and LP12V17AHP. Check the PDF file with more details
The LiFePO4 with PCM have these key advantages: 1) Longer service life: 1000 cycles and beyond, 2) Full capacity even at high speed discharge rates, 3) Fast charging without overheating and gassing, 4) Lower self discharge: just few percent in a month, 5) Excellent life-span: service life of 5 years and more, 6) Protection against over charge and deep discharge, 7) Lighter in weight: 1/3 of the weight of the lead acid batteries, 8) Green ecology: no acids, no lead, not toxic substances.
Wish to build your EV right now? The EVTraxer, an open project electric vehicle platform is a way for you. Available now! Homologated for public roads in EU. Just finish your kit and Go!
The EVTraxer platform is the only EEC homologated platform that allows to finish the construction of a fully functional electric vehicles in just weeks or even days! Four steps to get driving your EV in just days: 1) Purchase the EVTraxer platform, including the homologation documents or get directly an EU registered license plate! 2) Get your own design of the outer body! 3) Modify the specifications of the vehicle according to your needs! 4) Finish the vehicle and get on the road!
Check more details on-line at http://www.evtraxer.eu/.
With the introduction of the new EV-POWER.EU web shop, GWL/Power has begun the promotion of the high-quality and top-performance DC power chargers under the TC Charger brand. The complete listing if products includes the 1.5 kW, 3 kW, 6 kW and 8 kW single phase 230V AC models.
The specification data of the available models, the nominal and maximal voltages are listed in the specification PDF file.
We welcome your inquiries and orders!
Prague, March 12th, 2012: China Aviation Lithium Battery (CALB) announced the plans to increase the distribution share for the lithium battery products in the European Market.
GWL/Power has become CALB’s key distribution partner with stocking area of 3800 m2. At present GWL offers the well-reputed SE series of the CALB models. Starting from April, the new models of the CA series will also become available to the European customers.
Starting from March 13th, 2012 we are improving our on-line web business system to a new web shop with many new user functions. More goods and more products from growing number of suppliers were added to the on-line ordering system. We have checked-up to the pricing and updated the products range.
Be sure to order on-line: During the month of March you can get an additional discount of up to 3% for your new on-line orders.
If you need any help or advice concerning the new shop functions, be sure to contact our sales department.
Get details about the difference when ordering from GWL and from China.
We are testing new models of LiFePO4 cells with iluminium cases. A new generation of LiFePO4 cells with improved high current performance and excellent thermal performance. Check our discharge and charge tests.
See some photos behind the scenes from our work in the GWL battery lab.
We wish our customer to see that we are a regular company with business office, warehouse, training center, employees, etc. etc. This will give you the trust to co-operate with us. If you wish to get any details or information about our company, please do not hesitate to ask. Check the link with photos here. You are of cause warmly invided to come to Prague, to see and meet face to face.
We hope to increase our technical support and services. We plan to add new products, battery brands and models. We are looking forward to co-operation with our customers!
We thank our customers and all visitors of our main web pages at http://www.ev-power.eu/.
We thank all our customers who came to visit our booth at eCarTec 2011 in Munich. Our exhibition booth was at A6, stand 603. Check some of the photos at the GWL Power on the exhibition eCarTec 2011 gallery.