This high quality waterproof 20 watt AKT solar panel is ideal for people who want to save money on their electricity bills and the environment, or were it would cost too much to install electrical cables to a shed or outhouse. This solar panel is powerful and portable enough to be used to power hundreds of devices that you may use in a shed, boat or caravan such as lights and pumps and can still generate free renewable solar power on a cloudy day.
Due to its rigid anodised aluminium alloy frame and 3.2mm thick tempered glass giving it exceptional strength, it is perfect for permanent outdoor use in the garden to provide free power either directly, such as powering a pond fountain or pump, or for keeping your car, caravan, boat or motorbike battery topped up around the clock.
Connecting 20 Watt Panels Together
These can be connected together with other solar panels to form larger arrays to generate higher voltages or greater battery charging currents. The following table gives you an idea of what is possible with this small but versatile 20W panel.
Panel Rating:20W (1.14A at 17.5V)
Panel Dimensions:330 x 550 x 25mm
Minimum Array Area
Note that this 20 watt solar panel can be connected together in either a series, parallel or a combination of both to give a higher output voltage or charging current from the array than a single panel.
For example, 4-off these 20 watt solar photovoltaic panels panels connected in series would give maximum operating voltage 70 volts (4 x 17.5) at 1.14 amps ( Vmp x Imp = 70 x 1.14 = 80W ). Likewise, four of these AKT-20-M solar panels connected together in parallel would give 17.5 volts at 4.56 amps ( Vmp x Imp = 17.5 x 4.56 = 80W ).
For off-grid battery charging applications, this is a good choice. This powerful dual voltage (12V or 24V), 10A charge controller which uses PWM (Pulse Width Modulation) technology to extend the life of connected batteries and can work with sealed, gel and flooded batteries.
Other features of this 10A Charge Controller include LCD display, USB charging sockets, LED indicators and friendly interface with 4 multifunctional buttons. The controller also allows you to set battery capacity, automatic cut off to prevent over-charging and deep discharge, over heating, over load, short circuit and reverse polarity protection of the connected batteries.
The 20W solar panel can be used to charge batteries directly, but you may also be interested in this powerful 10 Amp solar charge controller by EP Solar which is designed to protect batteries whilst charging them. This high quality, brand new powerful 10 Ampere, 12 volt controller accepts a wide range of input voltages from various solar array configurations making it suitable for off-grid and on-grid modules like the 20W AKT Solar Panel as well as many other solar panels up to 160 Watts.
When used to charge an off-grid backup battery system up to 36 volts, the VS1024N controller uses PWM (Pulse Width Modulation) technology which increases charge acceptance and prolongs the life of the batteries. Often the PWM technology can recover some lost battery capacity too giving full control via its built in display to a range of parameters and setting for a variety of battery load conditions. This 10A charge controller also includes a full set of electronic protection functions such as reverse current, over charging, discharge, over heating, short circuit, reverse polarity, etc. protecting both your solar panel and the load.
The AKT Solar and CE logos assures the build and quality of the panel, so for more information, customer reviews about this 20W AKT solar panel, to visit Amazon, you won’t find it cheaper anywhere else. Free shipping with Amazon Prime is included.