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OYMSAE Solar Battery Charger and Maintainer for 12 volts battery daily Previous page OYMSAE Solar Battery Charger and Maintainer Next page Previous page Next page Please don’t worry about the battery drain out When traveling away, the Car needs OYMSAE solar Trickle battery charger for maintaining 12 volts battery daily. Previous page Next page OYMSAE Solar Charger Maintains 12V batteries for cars, RVs, boats and prevents battery drain from alarms & electronics Kindly Reminder: This is a maintenance charger, not a fast charger. Designed for safe, steady battery care. Sunny, OYMSAE Solar battery maintainer charge the battery in any place!Never face a dead battery again
Solar Battery Charge Visualization：The indicator lights can help you understand the charging status the blue light is on (put in the sun), the red light is on (charging), and the green light is on (charging is complete).A short circuit occurs and all three indicators are off
Solar Battery Maintainer Intelligent Protection：Built-in charging microprocessor, improved charging algorithm, can provide overvoltage protection, overcharge protection, short circuit protection, etc. It can prevent reverse charging and can be safely used for charging and maintenance of 12 V batteries
Solar Battery Trickle Charger Higher Conversion Rate：The regular convex points of surface distribution are conducive to the secondary propagation of light, absorb the radiant heat of solar energy to a greater extent, and greatly improve the photoelectric conversion efficiency
12v Waterproof Solar Battery Tender Widely Used：The included three-pieces SAE cable kit is plug-and-play,it can be used for cars and 12V batteries. Comes with carabiner and suction cup to meet your different installation needs. Suitable for automobiles, RVs, motorcycles, ships,snowmobile，etc
12V Solar Charger More Durable：The PET material can be waterproof and dustproof. A layer of epoxy board is added as a bottom plate, which is more sturdy (the broken panel will cause the charging efficiency to decrease). You can contact us at any time if you have any questions
Here are my observations. First off I park facing a 2015 Ram Dually with the 6.7L Cummins facing due east - this gives me the front and side windows to mount two in during rhe winter months, and the side window alone to mount one in dyring the summer. The solar cell mat sits well in the passenger window by itself. And I lay the other in the front dash. These also stay hooked in full time - never being disconnected (stow them on the floor between the passenger seat and the door at the belt base to keep them upright).Truck has an Aftermarket Car Alarm that tends to work the batteries moreso than a normal truck.Truck stays sitting for a week at a time (during summers up to a month, and maybe once or twice like this during the winter) in Buffalo, NY. Batteries are 2-each set of $350 Odyssey H7 Batteries, Absorbed Glass Mat (AGM) P/N ODP-AGM94RH7.First off, I run one solar charger in the summer and two in the winter. What I found was that during the winter, a single one was OK, but due to the amount of snow buildup (and just the lower amount of sun), that I needed two running together to top off the battery. And, that and the fact that they tend to go bad in the winter and I couldn't risk loosing charge on a 4 week run and flatten $700's worth of batteries. Also, Batteries always tend to go bad in single digit weather in January and February.Observations:Brand new I could get the charge to 12.4V during the summer during the first year. The winter's, it's more like 11.8-12.2V; but it honestly couldn't seem to keep up, finding it after two weeks straight at 11.4V at times with just the single charger.On year two I noticed the batteries couldn't seem to go north of 12.2V in the summer.In November, I bought a replacement solar charger as the first one finally went; but then I also bought a second one due to the likelihood that while sitting for several weeks straight, that this one charger failing could take out both of these batteries. So now with two Solar Chargers installed, with a dual-headed 12V splitter (Power Drive PD9223BL 2-way 12V Adapter), I was able to get to 12.2V, and even 11.8V with the windows covered (the side window less than an inch, but the front burried) - honestly, the solar cells still charge somehow. So during rhe winter of 24-25 (and at this time of writing), this configuratuon has worked flawlessly!!
