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Description
Dual Pro B.O.S. Battery Optimization System - 12V - 3-BankB. O. S. Battery Optimization System 12V 3 Bank B. O. S. actively shuttles energy between batteries to keep the pack balanced, increasing battery strength and longevity. Batteries in a pack will become out of balance and the pack is only as good as its weakest link. In watercraft applications, this is further compounded when the trolling motor battery is used for peripherals and or to assist the cranking battery. B. O. S. actively shuttles energy as
B.O.S. Battery Optimization System - 12V - 3-Bank
B.O.S. actively shuttles energy between batteries to keep “the pack” balanced, increasing battery strength and longevity.
Batteries in a pack will become “out of balance” and the pack is only as good as its “weakest link”. In watercraft applications, this is further compounded when the trolling motor battery is used for peripherals and/or to assist the cranking battery.
B.O.S. actively shuttles energy as needed between batteries wired in series to ensure equal voltage before, during and after charging.
B.O.S. keeps packs balanced, enabling maximum performance, and quadruples run time on the water.
Premature battery failure due to an unbalanced pack has been, unfortunately, accepted as the ‘norm’ for decades. The B.O.S. answers this call with a BSAP-24 algorithm that can accurately predict and select the battery that needs additional energy to match the other batteries within the pack. This simultaneously and successfully extends the life of each battery in the pack, as well as increasing run times.
Features:
- Available in 6V, 8V, and 12V configuration
- Up to six batteries in series
- Battery Selection and Prediction (BSAP-24) algorithm
- Less than 1mA sleep mode
- Transfer rate up to 7.5A
- Self-powered
- Any type of battery chemistry
Used in any application where batteries are in series:
- Marine
- Golf
- Industrial
- Aerial Equipment
- Solar Power
- Electrical Vehicles
- Communications
- Defense/Military
Manufacturer Part Numbers: BOS12V3
Quick Guide (PDF)
Brochure Literature (PDF)
GRP:WRO
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 10 reviews
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Product Reviews
★★★★★ 5
Nice shaver and is easy to use.
Color: Gold ＆black
The olov electric body hair trimmer does a good job shaving the arms and legs but you have to be careful when shaving the private area . You have to stretch the skin on the privates as you shave between the inner thigh it will nick the skin on the scrotum.The olove is narrow enough to shave the privates.
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Reviewed in the United States on May 14, 2026
★★★★★ 4
So good had to buy it twice!
Color: Gold ＆black
I originally bought this OLOV trimmer in October 2022, and after nearly four years of regular use, I just ordered the exact same one again. Honestly, that’s probably the strongest endorsement I can give.
Up until about a month and an half ago, it worked amazingly well. Recently, it started making a buzzing sound and became noticeably less comfortable to use. It began pulling hairs, nicking skin, and generally lost the smooth performance that made me love it in the first place. I tried cleaning it thoroughly and even adding clipper oil, but the loud noise and abrasive trim problems still persist.
That said, for a trimmer that costs around $30, getting almost four years of reliable use is more than fair in my book. I barely considered alternatives; I just bought another one because I didn’t want to gamble on something else for a higher entry point.
A few things I really like:
-Charges quickly.
-Holds a charge forever. It’s literally never died on me. Great for travel, and I’ve often left the charger at home for short trips.
-Easy to clean and maintain.
-Comfortable to use pretty much anywhere on the body. I’ll leave that part to your imagination. 😉
-Excellent value for the money.
I’ve seen some reviews mentioning broken plastic teeth on the blade, but mine never broke. No idea what caused the buzzing issue on my old unit, but after nearly four years of service, I can’t complain.
Bottom line: If you’re looking for a solid body trimmer that won’t break the bank and can give you years of use, this is easily the best value trimmer I’ve personally used. For the price point, it’s worth trying to experience what a comfortable, snag-free trim is supposed to be like because, before this trimmer, I didn’t even know it was possible.
I do think it’s a 5-star product when it works, but considering that mine did eventually fail, I’m giving it 4 stars. But seriously, I don’t think you can go wrong with this. Give it a try!
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Reviewed in the United States on May 29, 2026
★★★★★ 5
No hair tugging!
Color: Purple
I've tried a few other electric razors over the years and have always been disappointed. I hadn't shaved in a long time and hoped this would make it easier but was prepared to be disappointed. I am thrilled to say it worked amazingly. I trimmed the hair with scissors, then just ran over the skin the with lowest trimmer which left a short stubble. No hair tugging at all which is always my biggest complaint. I did nick myself once (be sure to pull the skin taught) but I can blame the learning curve for that. The razor is small enough to get everywhere but wide enough to be efficient. It is light and the handle is easy to maneuver. I used it on dry skin so I don't know how it would be in the shower. It was easy to clean with the included brush. The whole thing probably took 5 minutes which is a huge improvement from going from scissors to a regular razor. Couldn't be happier with the purchase.
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Reviewed in the United States on May 26, 2026
★★★★★ 3
Blood Donors give less blood
Color: Gold ＆black
For the love of your hairy mansack use with caution!! After reading the description and reviews I thought I would take a chance on this cut free product. I couldn't fault the delivery as it arrived the same day. Bonus I thought a thought I lived to quickly regret! With eager anticipation I opened the package and set this gift from the hairless God's on charge. The charge time was fast and the product looked the part so with baited breath I took hold of this item and went 'downtown'.... The first few strokes were like a magician using a wand, pure magic! The trimmer effortless cut through its task in hand with precision and luring me into a sense of security that only can be achieved after several mishaps of various degrees. Oh little magic trimmer what a wonderful false sense of glee you were providing. With a new sense of bravery and belief like no other I went a little further south to smooth out the mansack like never before..
Holy Mother of Jesus hear my prayers!! Save me from this massacre that was unfolding before my eyes!! The trimmer took off its sheep's clothing and revealed the real evil within! With precision it ate up my mansack with ruthlessness never witness before. The cuts were quick and endless, the snagged skin becoming more and more frequent. The blood dripping now was making the task at hand more difficult but undeterred by the great reviews I kept going believing it was my fault just a bad technique. We will prevail! Alas prevail turned into survival and a soon to be found fetal position praying for my man parts to heal from their recent brush with a back street castration. I'm sure it's just operator error and maybe once healed I will accept the challenge again to wield this clippers and be the smooth operator it promised. In the meantime I would recommend buying several large packets of bandaid to get you through the blood donation you're about to give. On a plus side it cleaned up pretty nice and easy so all in all I'll give it 5 stars along with the body parts it took all by itself!!
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Reviewed in the United States on November 26, 2022
★★★★★ 5
Best shaver for the whole body
Color: Gold and Red, Color: Gold and Red
This is the best shaver I have used. Ive been using it for about a month now. It doesn’t irritate my skin and it’s very durable. Super cute packing as well!
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Reviewed in the United States on June 5, 2026
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