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Ships within 48 hours · Estimated delivery Jul 21 - Jul 26
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Description
TECMATE 3807-0566 TM522-D2 Optimate™ Solar Battery Charger/Maintainer Battery Charger - SolarFeatures Charges and maintains a 12V battery during the day and monitors and displays the battery state of charge at night The solar panel is where the sun is and the charger is where the battery is, so that you have immediate information on battery condition at hand right where it matters most Saves flat batteries from as low as 4V with its unique pulse action The reach distance between battery and panel is 124" (Extenders sold separately) Battery
Features
- Charges and maintains a 12V battery during the day and monitors and displays the battery state of charge at night
- The solar panel is where the sun is and the charger is where the battery is, so that you have immediate information on battery condition at hand right where it matters most
- Saves flat batteries from as low as 4V with its unique pulse action
- The reach / distance between battery and panel is 124" (Extenders sold separately)
- Battery condition is displayed every 3 seconds
- Ready indication for STD, hi-performance AGM batteries and lithium LFP batteries
- Draws less than 0.5mA during monitor mode.
- Automatically switches to CHARGE when solar power is sufficient
Specs
| Type | Solar |
| Riding Style | Street |
| Riding Style | Watercraft |
| Power Connection Type | SAE Plug |
| Product Name | Battery Charger |
| Riding Style | Adventure Touring / Dual-Sport |
| Riding Style | Snow |
| Riding Style | UTV |
| Model | 20 W |
| Power Connection Type | Alligator Clamp |
| Power Connection Type | Eyelet Connector |
| Riding Style | Off-Road |
| Riding Style | ATV |
| Units | Each |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 14 reviews
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Product Reviews
★★★★★ 3
Smell
Size: 3 Fl Oz (Pack of 1)
It’s alright, smell not my favorite
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Reviewed in the United States on November 16, 2025
★★★★★ 5
Lightweight, Smooth, and Truly Unscented — My New Go-To Sunscreen
Size: 6 Fl Oz (Pack of 1), Style: SPF 50
This is the first time I tried this Banana Boat unscented sunscreen, and I’m genuinely impressed. One of the biggest things I look for in sunscreen is how it feels on the skin, and this one delivers—it’s not sticky at all and goes on very smooth. It’s easy to apply and absorbs quickly without leaving that heavy, greasy feeling.
I also really appreciate that it’s unscented. There’s no strong or unpleasant smell, which makes it much more comfortable to use daily.
I’ve used other brands before, like Neutrogena and some higher-priced options, but honestly, this one stands out. It performs just as well—if not better—at a more reasonable price.
Overall, this is a great sunscreen that I’ll definitely keep using. Highly recommended if you want something lightweight, smooth, and fragrance-free.
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Reviewed in the United States on April 25, 2026
★★★★★ 5
BEST sunscreen on the market
Size: 6 Fl Oz (Pack of 1), Style: SPF 50
This sunscreen is truly the best sunscreen on the market. I have now bought 4 bottles, and plan to purchase more. It is extremely milky, dissolves onto the skin perfectly, it feels like you arent wearing any sunscreen at all. I tell everyone I know about this product.
I also purchase the FACE spf which is even more smooth. I wish they sold this in a giant container, because I apply this everyday !!
This sunscreen has made it more accessible for me to apply sunscreen daily, it also has very minimal scent, and never burns your eyes.
Personally I will never buy another type of sunscreen again after this sunscreen.
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Reviewed in the United States on June 8, 2026
★★★★★ 5
Good for acne prone sensitive skin
Size: 3 Fl Oz (Pack of 1), Style: SPF 50
I am in my 30s with combo leaning oil and acne prone fair skin with pigmentation issues and I’m on prescription tretinoin every day. I sometimes use hydroquinone when my pigmentation issues flare up. I wear sunscreen every single day to protect my skin. It’s especially important since I’m on Tret. daily. Being that I have acne prone skin finding a sunscreen has always been a HUGE challenge for me. I’ve spent so much time on SkinSort and similar sites looking through sunscreen ingredients lists trying to find ones that won’t break me out. I’ve purchased PLENTY of k-beauty, j-beauty, EU sunscreens and Us sunscreens from Sephora and drugstore only for them to break me out. My skin is very sensitive/breakout prone to long ingredients lists, emollients, heavy textures, oils and lots of botanicals. I randomly stumbled upon this banana boat sunscreen here on Amazon and saw the short and fairly simple ingredient list that is low (not free of- but low) in occlusive ingredients in comparison to other sunscreens so I decided to order it. It has not broken me out and it feels nice. No alcohol in it, no irritation, no pimples so far. The tube is user friendly, the texture is light and pleasant and the sunscreen is affordable and accessible. I also appreciate how it’s water resistant so can be worn every day OR pool/beach. I highly recommend this to anyone with acne prone or sensitive skin if you are ok with US chemical sunscreens. I prefer chemical sunscreens over mineral sunscreens as mineral sunscreens break me out. This affordable banana boat in my opinion is WAY better for me personally than high end and expensive options that have tons of pore clogging ingredients. Yes even the popular k-beauty sunscreens break me out unfortunately. Everyone is different and anything has a potential to clog someone but for me this sunscreen is way more safe for my acne prone skin than any other sunscreen option I’ve come across. The majority of sunscreens are just packed with pore cloggers, but this banana boat one is minimal in comparison. The tube is travel size (tsa approved) but bigger than your standard 1.7oz sunscreen. This is nice for me because like I mentioned I wear sunscreen every single day and re-apply if I’ll be outside in the sun. While spending time outside I did not burn while wearing this sunscreen and I’m extremely fair skinned. I also did not notice any new pigmentation issues. The texture is nice, light and pleasant. It wears well under makeup. I normally wash my face in the AM, apply a hydrating kbeauty toner, tiny little dots of super light gel moisturizer (not much- I’m oily!) and then apply this banana boat sunscreen on top. Sometimes I wear makeup sometimes I don’t. It works both ways. I have not experienced any pilling. I have not noticed any scent with this sunscreen other than the sunscreen filters smell which isn’t too bad at all in comparison to other sunscreens I’ve tried. The sunscreen itself adds a touch of moisture but I don’t find it to be greasy on my oily skin. In the summer I will probably use a hydrating toner or serum (skip gel moisturizer) and then apply the banana boat sunscreen since I live in a warm climate. Anyways, this is a very nice textured non offensive not overly clogging (for me at least) Us chemical sunscreen that has been very unproblematic for me. I just apply a decent amount every AM and don’t even think about it. Like I mentioned if I’m out in direct sunlight (normally I’m not in the winter) I’ll reapply as needed. In the PM I use bioderma micellar water and then follow it with my Remedy brand face cleanser and it takes the banana boat off fine. I’m interested in trying the spray version (always spray decent amount into hand and then apply!) for my body in the summer. For now I apply this banana boat sensitive face to my face, neck, hands or whatever exposed area. If you tried the banana boat light as air face spf that one is a little more matte and dry but it’s also more pore clogging in both my experience and by ingredients lists. This banana boat sensitive has a bit of a different texture that’s lightweight and still not greasy but it’s more of a traditional light lotion. The banana boat light as air face one felt great but over time gave me more closed comedones. Needless to say I highly recommend this lightweight Us chemical sunscreen to anyone looking for a simple waterproof Us chemical sunscreen that is affordable and easy. Obviously no white cast as its chemical. Sorry for the long review but it might help someone out. Also I purchased this with my own money I am not a part of one of those product reviewing groups- whatever they are called. No shade to anyone lol.
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Reviewed in the United States on February 6, 2026
★★★★★ 4
Great
Size: 3 Fl Oz (Pack of 1), Style: SPF 50
The sunscreen itself is really good. It applies smoothly just as advertised “lotion”. I was pleased to see it didn’t leave a white cast. I apply makeup over my sunscreen often. This sunscreen worked perfectly with makeup. Like it said, it’s unscented and that was true as I didn’t detect a scent. My skin feels nice with this on. My only issue is that it didn’t come with a safety seal under the cap. Usually all products come with a seal to ensure it isn’t tampered with and that buyer gets the full amount of product. That was a bit upsetting but hopefully I didn’t actually get a used one.
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Reviewed in the United States on April 3, 2026