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20 Watt Mono Solar Panel, 12V
High efficiency: Mono-crystalline solar panels are more efficient compared to cheaper poly-crystalline panels. This panel provides up to 20W power.
Easy Installation: Delivered ready for connection & FAST and easy installation with pre-drilled hole. Each Solar panel comes with long 90cm cable quick Connectors.
Green Solar System: Basic component for off-grid Solar panel12/24V/36/48V system, Caravan, RVs, cars, boats, Green house Solar system, Solar light, Solar pump, etc.
HIGH QUALITY MECHANICAL PROPERTIES: Withstand high wind (2400PA) and snow loads (5400PA); lightweight anodized aluminum frame and reinforced safety and anti-reflection coated glass 3.2mm thick and waterproof display-65 rated junction box which allows the panels last for a long time.
ACOPOWER 20W Monocrystalline Solar Panel is the Key Component to a system when going solar Off-Grid system. These panels are relatively compact and are a breeze to set up.
Whether you are going camping in the mountains or taking a trip to the beach, this panel can be a great start to your off-grid system! This panel has several uses including marine, dry camp, RVS and other off-grid applications. ACOPOWER Provides cost-effective solar panels and Free Professional Engineering Services.
Possible Use Cases
Pair with the makerPower™ MPPT Solar charger for smart data collection and high-efficiency charging!
Available as an accessory and separately in the GroupGets Store: Buy Now
To bring solar power to the maker world at a great price!
One ACOPOWER 20W Monocrystalline Solar Panel, 12V User Manual
Campaign Active, scheduled end date: Sun, 23 Jan 2022 12:42:00 PST
The makerPower is a combination solar battery charger and 5V power supply for IOT-class devices designed for 24/7 operation off of solar power. It manages charging a 12V AGM lead acid battery from common 36-cell 12V solar panels. It provides 5V power output at up to 2A for systems that include sensors or communication radios. Optimal charging is provided through a dynamic perturb-and-observe maximum power-point transfer converter (MPPT) and a 3-stage (BULK, ABSORPTION, FLOAT) charging algorithm. A removable temperature sensor provides temperature compensation. Operation is plug & play although additional information and configuration may be obtained through a digital interface.
Compatible Solar Panels and Batteries
The makerPower is designed to use standard 25- or 35-Watt 12V solar panels with AGM type 7-Ah to 18-Ah 12V lead acid batteries. It has a maximum charge capacity of about 35-38 watts. A detailed sizing method is described in the user manual but it is possible to use smaller or larger panels and batteries depending on the application.
Typically a 25-Watt panel is paired with a 7-Ah battery for small systems (Arduino-type up to Raspberry Pi Zero type). A 35-Watt panel is paired with 9-Ah to 18-Ah batteries for larger systems. Larger batteries provide longer run-time during poor (lower light) charging conditions. A larger panel can provide more charge current during poor charging conditions.
Solar panels should be a 36-cell type with a typical maximum power-point of around 18V and maximum open-circuit voltage of 23V (typically around 21-22V).
I have used the Carlon E989N enclosure found at a Home Depot home improvement store to hold the battery, charger, and single-board computer. It is a good size providing room for a 7- or 9-Ah battery as well as room for heat dissipation from both the charger and computer. Note that the charger can dissipate upwards of 5W when running at full capacity.
Other possible enclosures include the following:
This wiring kit includes nine 20 cm female-female Dupont wires, two 20 cm battery wires, and a header to make the temperature sensor remote.
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