Battery Tender 021-1164 10W Solar Panel Charger and Maintain... - 2020 report by Whydis
Battery Tender 021-1164 10W Solar Panel Charger and Maintainer with Built-in 3-step Automatic Microprocessor Controller
Style:10 Watt Solar Panel
Harness the power of the sun with this Battery Tender 10-Watt Solar Panel with built-in Battery Tender 3-step automatic microprocessor controller. It's 100% portable and ideal for battery charging and maintenance, and for ...
Works as advertised, it has been hooked up to my camper for a couple of years now, and still going strong.
works as advertised......even shuts down when battery is charged
Has worked as I had hoped so far, I will update my review if I have any issues
Great product, works as advertised it won't charge a fully drained battery if you have an alarm and GPS as the power draw is greater than the input but will keep it charged for those periods that you can't ride.
Works as advertised, although I could only get it to work well when both terminals were connect to the charger.
However, with the battery known to be full (charged with the ac version of this product), the solar charger at the decent 10 watt always showed a yellow charging, after 2 straight days of solid sunshine and never went to a green fully charged status
but I got a reliable 12+ watts under ideal conditions.)
20 watt is as low as I would buy and I would highly recommend a 30 watt or above system
Getting technical, 15 watts is not enough to prevent and reverse sulfation in larger lead acid batteries, the problem that makes this product important.
5 watt is great for maintaining a motorcycle or small import car to keep battery topped off while it is sitting and not in use, but, this solar panel is lacking any real charging capability
Not easy for an outside application (better if with a stand, etc.. I am worried about the indicator being attached to the screen hoping it does not encourage theft (a complete unit) as the solar is outside the garage, while the vehicle is interior.
Nice unit to keep the electrons going to my riding mower
I have started to fine a high percentage of post from people saying these units are failing in very little time
I realized this unit has not been working since I bought it, I had it connected to one of my vehicles to maintain the
I love these units I bought 2 of them and use them daily in order to maintain my