How Many Watt Solar Panel For 100ah Lithium Battery In Jayco Popup Camper?
Updated 08/07/2025 | Published 07/15/2025
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Question:
Is there a good solar panel for this 100ah lithium battery? RS74VR I'll be powering a 12v fridge and charging some phones and other little electronics in my Jayco popup. thanks
asked by: Henrick
Expert Reply:
Hey Henrick, yes I can help you out with finding a good solar panel for the Rich Solar Alpha 1 Pro Lithium Battery # RS74VR. First let's do some quick math based on your electronics:
A 12V fridge (60W × 10 hours) = 600Wh
LED lights, fan, phone charging = 150Wh
Total: ~750Wh per day
You’ll need at least 750Wh of solar charging per day just to break even.
If you used a 100w kit # RS27VR, you would be helping the battery from discharging as quickly, but it's not going to be enough to keep up as much as you'd probably like - it would give you about 400wh per day on average.
Instead, I'd go with 200w # RS37VR kit for bare minimum (about 800wh per day), or the 400w kit # RS97VR (about 1,600wh per day) for maximum solar power which will allow you to power other things on top of what you listed out.
Product Page this Question was Asked From
Rich Solar Alpha 1 Pro Lithium Battery - Bluetooth - 100 Amp Hour
- Battery
- RV Battery
- 12V
- 10-3/16L x 6-5/8W x 8-5/16T Inch
- 100 Ah
- Lithium Battery
- Rich Solar
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Andrew N.
8/7/2025
Hey Henrick, how did it go with choosing a solar panel for your setup? Did the 200W or 400W kit work out for your fridge and electronics in the Jayco popup? I'm curious to know because it could really help others in a similar situation.