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Initial impression (haven't had it out of the driveway yet!), seems to be built well, I've tested it briefly in the afternoon, and the controller says its putting out about 2.5 amps. This is late in the day, so I'd expect it to do better when the sun is more overhead. In the past I've been able to boondock in our popup for about 2 nights without worrying about our power usage at all (lights, electric pump, furnace blower, powered vent a few hours a day, thermostat-controlled fan behind the fridge, keeping phone/tablet charged (honestly that's probably most of it)), the third night we woke up cold as the furnace wouldn't run. If this panel will produce half of the rated output for four hours a day (100 watts / 12 volts should be 8.3 amps but nameplate says 5.68, half of that ~2.84 amps), I will have 11 amp hours or more, per day, that should keep me going a few extra days. If that really is closer to 22 amp hours, even better, and in the summer it should be able to go longer than 4 hours.
Out of the box, the charge controller was loose between the folded up panels -- I found where there's sticky velcro and re-stuck it. So far it hasn't come off, but if it becomes a problem I'll replace with outdoor mounting tape. Given alternative products are up to 2x the price, I'm OK with this shortcoming. The controller itself has a single button, but it doesn't do anything in this application, the controller is designed to manage a small load as well (think a small solar-powered light fixture), the button will turn that on or off. It has a display which will give you some stats, and there is a manual for the controller included.
The cabling comes with alegator clips you'd clip directly to the battery, and I do think it's a little light for this much current. Since my camper battery is in a plastic marine box that isn't exactly convenient to open, I have a SAE type connector that hangs out to connect a float-charger, this is the same as I've seen on some newer campers for a "solar" connection. I snipped off the clips and soldered a matching SAE connector on instead. I also built myself a SAE to SAE "extension cord" with 10 guage wire, in case the panel needs to be a little further away. Again, givin the price I'm good with this.
Overall I'm happy so far, I'll update my post if that changes. We have a trip planned with a 6-night stay in one place with no hookups, so I'll be putting it through the paces.
| Brand | HQST HIGH QUALITY SOLAR TECHNOLOGY |
|---|---|
| Material | Monocrystalline Silicon |
| Item Weight | 34.46 Pounds |
| Style | Compact |
| Connector Type | Component |
| Amperage Capacity | 10 Amps |
| Maximum Voltage | 12 Volts |
| Maximum Power | 50 Watts |
| Manufacturer | HQST |
| Item Weight | 34.5 pounds |
| Package Dimensions | 30.3 x 22.7 x 5.3 inches |
| Is Discontinued By Manufacturer | No |
| Size | 100W/10A |
| Shape | Rectangular |
| Item Package Quantity | 1 |
| Batteries Included? | No |
| Batteries Required? | No |
