Product Details
- Amazon Sales Rank: #38981 in Automotive
- Size: 15WATT
- Brand: Battery Tender
- Model: 021-1165
- Dimensions: .88" h x
16.00" w x
38.00" l,
4.60 pounds
Features
- Built-in 3-step microcontroller for precise charging
- Waterproof and sparkproof for outdoor installations
- Easy, do-it-yourself installation
- Built-in temperature compensation sensor
- 12V nominal voltage 830 mAmps
Battery Tender 021-1165 15W Solar Charger
Product Description
Harness the power of the sun with this Battery Tender 15-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 storage space without power access. Battery Tender solar panels are the only panels available with a built-in charge controller to prevent overcharging.
Customer Reviews
Most helpful customer reviews
17 of 18 people found the following review helpful.
By J. Tanaka
Product works just as designed. Just as a note, the charging sensor is next to the solar panel. I would like it to be next to the end plug or have an option to plug one inline. I install this on the roof of my trailer and ran the cable down to the battery inside. I cannot see what status the battery is whether it's charging or trickling as the sensor is on the roof. Also keep in mind that this is solar. How do you keep a constant trickle if there is no sun at night? the next day when the sun comes out it will detect the battery and charge it like normal for a little while and then trickle it.
6 of 7 people found the following review helpful.
By Jesse Knight
This is a good product which is compromised by a shortcut in production that probably only saved a dollar or two in cost. Although the frame that supports the glass panel is solid metal, the corner braces are thin plastic. Several potential problems arise from this: First, if the panel is used for car battery charging, it will be repeatedly placed in the windshield and then removed. In a Honda Civic, this is a tight fit, making it easy to stress the panel. Strong frame corners would allow the panel to withstand greater torque. Torque or twisting force is hard to avoid when sliding the panel over the steering wheel.If the panel is going to be mounted to a roof, the screws will be installed through the plastic corners which are too weak to handle the load of all but the lightest wind. I have not returned it because it would be good in an extended emergency, and someday I will improve the frame.Finally, this 15 watt panel is marginal in power for all but the smallest car batteries. It is good for charging batteries of 32 Amp/hr or less and would be great (electrically) for bikes and electric start lawnmowers. Getting technical, 15 watts is not enough to prevent and reverse sulfation in larger lead acid batteries, the problem that makes this product important.
8 of 10 people found the following review helpful.
By db2644
Haven't tried using this yet, don't know if it will even fit in the car. My intention was placing it in the car, but it seems to be very big to put in the windshield, luckily its a station wagon and it may do ok on the cargo floor for a few hours a day. Looks like the intention is to use it as a charging station, mounted somewhere external to the vehicle.Currently, Amazon shows the dimensions as 17.8 x 17.8 x 3 inches, but the dimensions of the 15W panel are actually 38" x 16" x 0.875" (from mfg's website).Also, the mfg says the 5W is for small batteries (lawnmowers, etc.), 10W is for motorcycles, etc. and 15W is for large batteries (auto).Also, at 60", the attached cord is rather short in my opinion.
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