Battery Tender 5 Watt Solar Panel 12V Battery Charger with Charge Controller - IP67 Weatherproof - Windshield or Handlebar Mountable - Included Ring Terminal Cable or OBD II Connector - 021-1172
Condition: New
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FREE 30-day refund/replacement
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Availability:
In Stock.
Arrives
Wednesday, Jun 3
Features
- Windshield Mountable & Versatile: Mount the solar panel to your vehicle's window or handlebars. Simply connect to the battery using ring terminals or plug in the included OBD II cable.
- Includes: Solar Panel, 4 suction cups designed for glass mounting, 1 bracket designed for handlebar mounting, OBD II plug, battery ring terminal cable, 8 ft output cord, 18" AC power adaptor charging cable, 5 year warranty and lifetime customer support
- Smart Charging: While in the sun, the panel provides full current until switching to float mode to maintain optimal battery voltage levels without overcharging
- Versatile: This compact solar panel is compatible with lithium (LifeP04), lead acid, flooded, and sealed maintenance-free AGM and gel cell batteries
- Protected: IP67 rated weather resistant with spark proof and reverse charging protection; comes with a 5-year manufacturer limited warranty and lifetime customer support
Brand: Battery Tender
Color: Black
Product Dimensions: 0.6"D x 6.69"W x 6.18"H
Item Weight: 1.39 Pounds
Output Voltage: 12 Volts
Output Voltage: 12 Volts
Input Voltage: 12 Volts
Item Dimensions D x W x H: 0.6"D x 6.69"W x 6.18"H
Item Weight: 1.39 Pounds
Color: Black
Brand: Battery Tender
Mfr Part Number: 021-1172
UPC: 734357117202
Manufacturer: Deltran
Model Number: 021-1172
Warranty Description: 5 Year Manufacturer Warranty
Unit Count: 1.0 Count
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Wednesday, Jun 3
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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- PayTomorrow Financing
- Financing through Apple Pay
Learn more about financing & leasing here.
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Top Amazon Reviews
Works as advertised, keeps my car battery charged while not in use.
Reviewed in the United States on March 1, 2026 by Justin
I use this to keep my Sea Ray 220 Select charged while it’s docked at the marina. Easy hook up. Keeps it charged all summer. Boat fires right up like it’s supposed to!
Reviewed in the United States on October 25, 2025 by KW
Decent charging rate but the included suction pads sucked at keeping solar panel mounted on windshield.
Reviewed in the United States on February 27, 2025 by chaiyeesen
Purchased this as one of my cars sits outside a good bit and driven little. My car is foreign made and is notorious for draining the battery with multiple computers waking up every so often and even the clock taking its toll while the car is not in use. After replacing a dead battery (which could no longer be charged) with a brand new fully charged unit, it too was dead after a few weeks. After charging the battery I looked around for solar battery tenders. Most have the cigarette lighter plug which won't work on my car as it is not continuously live and cuts off a few minutes after the key is out. I also didn't want to mess with running the wire to the trunk where my battery is. The OBDII option seemed like a good fit. So far this has worked very well in maintaining the battery with an obvious difference. This is not meant to charge a dead battery but to maintain a charged battery and keep it charged. The unit has a built in controller so it won't overcharge your battery and also has a 5 year warranty. I did not use the suction cups or leave it outside so can't vouch for that. I simply laid the panel on the dash and plugged it in.
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Reviewed in the United States on May 29, 2022 by JustAnotherCustomer
Being able to plug into the OBDII port is why I bought this. Makes it a lot easier than trying to run wires to battery. Honda Odyssey cigarette lighter plugs are switched, so you can't use that option. I see the charging light on this come on even when the sky is overcast, and it is still charging. I won't know for sure if it will keep my battery good for weeks, but last time I let my car sit for 2 weeks, the battery was dead. So I'm hoping this will be better than nothing.
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Reviewed in the United States on April 12, 2025 by Bone Tomahawk
Bought this to tend the battery on my pickup which is used sparingly since I work from home now. Could not find a good spot to mount it without having to remove it when I need to drive. Also not sure if abd2 connector was actually charging the battery or not. I bought a plug in tender instead for the truck and use this solar unit to charge my fish finder battery. I plan to see if it can be connected while using the fish finder on my kayak to extend battery life. UPDATE: This worked great to charge my fish finder battery though it does take a couple-three days. I have not tried to use it while on the water yet nor am I sure what would be needed for the wiring to be safe and effective. I have discovered that the suction cups on this are not great. I think they are too stiff. If I put them on the window, they usually fall off in less than one day. I worry that if I put them in a window that is up high, the fall could break it. I would love to be able to put the fish finder battery near a window on the tender and know that it will be ready when I need it, but if it falls, there's no guarantee.
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Reviewed in the United States on June 23, 2024 by Noble 1
I have a vehicle I only drive once a week or so and began having brattery drainage problems. I've had mixed results using solar chargers but decided to tive this Battery Tender a shot...and got great results. The proof is that I didn't have a single trouble start for four months while leaving the solar screen on my dashboard but now that the fall/winter sun's rays are slanted and indirect, it is frequently overcast, now I am having to use other means to charge and maintain my battery. So as long as you have sunshine, you have a highly efficient chaging system on hand. Very happy, highly recommended!
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Reviewed in the United States on November 27, 2024 by whit
I have mine wired through my car from the dash, when I drive the vehicle I unplug it at the wheel well. I would like to add a cut-off switch later, but this is because my vehicle has a battery sensor built directly onto the negative terminal connector. The suction cups cannot stand high heat, so I often find the panel laying on the dash directly. I'm fine with this, and really only stick it back on the windshield when I am driving. Otherwise, it gets plenty of sun just laying on the dash. It's a good tool, definatly will keep a new or decent battery charged, even on cloudy days.
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Reviewed in the United States on August 14, 2022 by ThisGuy