Portable solar is a system, not just a panel. The panel, controller, battery and connecting leads need to work together. The battery you want to charge and equipment you plan to run give the system its purpose.
What does the panel supply?
The Rovin 12V 200W folding solar panel ZM9188 has fold-out legs and a carry bag for a portable setup. It requires a suitable charge controller; you should never assume the folding panel includes one.
Its rated wattage is a test-condition figure. Cloud, shading, panel angle and temperature affect the power available during a trip. Variable sunlight is part of a trip, so full rated output throughout the day is not a realistic expectation.
This large Rovin panel is currently available for local pickup only. That means this particular panel cannot be posted outside Bowen.
Which controller can work with the system?
The Victron SmartSolar MPPT 100/20 controller provides controlled charging for compatible battery systems. Bluetooth and VictronConnect allow monitoring and configuration.
The model’s “100/20” designation relates to limits for PV voltage and battery charging current. It does not mean any panel combination will be suitable. The manual gives the PV voltage, current and power limits for the battery voltage being used.
You should always use the correct charging profile for the battery. A panel’s nominal “12V” description alone is not enough to establish compatibility with an entire system.
Connectors, polarity and protection
Connector types, polarity and cable lengths need to work together across the panel, controller and battery. Cable size and circuit protection also need to suit the current and installation. An adaptor that physically joins two plugs does not establish that the electrical arrangement is correct.
If you already own part of the system, its exact model numbers and battery specifications help identify a compatible addition.
What does a 200W panel give me over a day?
Watts describe power; watt-hours describe energy collected or used over time. The Rovin panel’s 200W rating is not a promise of 200W from sunrise to sunset. Cloud, shade, panel angle and system losses affect what reaches the battery.
As an illustrative calculation, 200W multiplied by four equivalent peak-sun hours is 800Wh before losses. That is not a Bowen forecast or a guaranteed daily yield. A 40W load running for eight hours uses 320Wh. Daily energy needs help determine the panel, compatible Victron controller and usable battery capacity as a combination. A larger panel alone does not tell you how long your setup will run.
Further reading: Victron’s guide to sizing an RV solar system.
The range at Delacey’s
Browse our Solar & Portable Power range online, or visit us at 40B George Street, Bowen. Australia-wide postage is available on eligible accessories and controllers. The featured large Rovin panel is local pickup only.
Need a hand? Email sales@bowenbirite.com.au with the model or requirements you’re working with.