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SolarLand USA is a subsidiary of Solarland’s factory in Wuxi, China which was funded in 2003. Their USA office was stablished in Grayslake, Illinois in 2008 to better serve the American market. Their main distribution facility is located in Ontario, California. Solarland specializes in 12V and 24V solar panels for mobile, off-grid and remote applications. Their solar panels are assembled in China with non-Chinese PV cells. All their solar panels are built with high quality anodized aluminum frame and come with a 25 year standard warranty. In their Ontario warehouse, Solarland stocks large quantities of solar panels ranging from 3W to 160W to cover any of your low-power charging needs.
The Solarland SLP Series Polycrystalline solar modules are manufactured using the highest quality components to ensure longer life and excellent performance. SolarLand Polycrystalline solar modules are designed for the most rugged off-grid applications including street lights, water pumps, navigation lights, traffic signs and signals.
SolarLand model: SLP005-12
Cell type: Polycristalline
Rated power: 5 Watts
Nominal voltagel: 12 Volts
Voc: 21.6 Volts
Vpm: 17 Volts
Isc: 0.34 Amp
Ipm: 0.29 Amp
Length: 10.63 in
Width: 8.74 in
Weight: 1.65 lbs
Compare other Solarland panels with similar characteristics:
|Model||Power||Voltage||L (mm)||W (mm)||T (mm)|
|SLP003-12||3 W||12 Volt||188||195||17|
|SLP005-06U||5 W||6 Volt||188||290||17|
|SLP005-12||5 W||12 Volt||270||222||17|
Solarland panels under 10W have a tiny junction box that is only 4cm x 5cm. This junction box does not include any type of screws, even the connections inside the box are made in copper screw-less terminals. Use the following link to learn more about the type of junction boxes featured in Solarland solar panels.
Small applications with solar panels of less than 10W do not usually require a charge controller. In the even that using a charge is preferred for peace of mind, a small charge controller like the Phocos CM 04 would be enough to maintain the batteries in a healthy state of charge.
To mount the 3W and 5W solar panels on a pole or wall you can use the bracket SLB-0119 made by Solarland.
|Type:||Universal flush||Tilt||Single arm||Double arm||Double arm||Clamp style||Tilt|
|Mounts on:||Z brackets||Wall & Roof||Wall & Side of pole||Wall & Side of pole||Wall & Side of pole||Wall & Side of pole||Wall & Roof|
Each time you charge deep cycle batteries with solar panels, it's necessary to use a charge controller in the circuit to protect the battery from over charging, and in some instances from over discharging. The only exception is when using solar panels smaller than 5W. Choosing the most suitable charge controller is simple and only requires two steps:
Step 1 - Voltage selection
Select a charge controller that is compatible with the system voltage. The standard configurations are 12, 24, and 48 volts. If you are wiring your batteries for 24 volts you need a charge controller that is rated at 24 volts.
Some controllers are voltage specific, meaning that the voltage cannot be changed or substituted. Other more sophisticated controllers include a voltage auto-detect feature, which allows it to be used with different voltage settings.
Step 2 - Current capacity
Select a charge controller that can handle the maximum output current of the solar panel (or solar array). The maximum possible current that a PV panel can generate is the “short circuit current,” indicated as Isc in the panel’s label or specs sheet.
It’s recommended to include a safety factor for isolated events as well. For example, a solar panel with a Isc of 7.89 amp could potentially produce an extra 25% on a sunny day with very clear snow pack. (additional light reflected off the snow). This results in a possible maximum of 9.86 amp (7.89 x 1.25 = 9.86 amp). In this case, a 10 amp charge controller would be recommended.
Below you will find a quick guide to choosing the proper charge controller for several popular solar panel sizes.
12V solar panels 5W - 45W
Phocos CM 04 Charge Controller 4A, 12V
12V solar panels up to 70W
Flexcharge PV7D Charge Controller 7A - 12V