Charge and optimize your car battery with a Hulkman Sigma 1 on sale
![](https://helios-i.mashable.com/imagery/articles/07LwukWGve60whoPsYMYcYs/hero-image.fill.size_1248x702.v1650567923.jpg)
As of April 24, the HULKMAN Sigma 1 Amp Automatic Car Battery Charger and Maintainer is on sale for $37.99, which is down 23% from its regular price of $49.
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Note: It's a battery maintainer/trickle charger rather than a jump starter. The Newest Arrival of 2022: With a new industrial design that is more compact, more attractive, and simpler to use than your average car battery charger, Sigma 5 stands out from the crowd. Best of all, it is not only a battery charger, but also a battery maintainer, battery desulfator, and trickel/floating charger.
![](https://cdn.shopify.com/s/files/1/0429/4331/6131/files/20220211-113952-min.jpg?v=1644551009)
HULKMAN Sigma 5 Amp Automatic Car Battery Charger & Maintainer
![](https://i.ytimg.com/vi/6AYAutk-03c/sddefault.jpg)
HULKMAN Sigma 1 6V 12V Automatic Smart Car Battery Charger, Trickle Charger, Battery Maintainer
![](https://m.media-amazon.com/images/I/71cVemJj-TL.jpg)
HULKMAN Sigma 1 Car Battery Charger, 1A 6V/12V Automatic Smart Trickle Charger, Battery Maintainer, and Desulfator with Intelligent Interface : Automotive
Note: It's a battery maintainer/trickle charger rather than a jump starter. The Newest Arrival of 2022: With a new industrial design that is more compact, more attractive, and simpler to use than your average car battery charger, Sigma 5 stands out from the crowd. Best of all, it is not only a battery charger, but also a battery maintainer, battery desulfator, and trickel/floating charger.
![](https://i.ebayimg.com/images/g/wJgAAOSwdFZk77aX/s-l1200.jpg)
HULKMAN Sigma 5 Amp Automatic Car Battery Charger & Maintainer
![](https://i.ytimg.com/vi/fL8HoM-lm3c/hqdefault.jpg)
HULKMAN Sigma Car Battery Charger - Optimize Batteries with Every Charge
![](https://www.hulkman.com/cdn/shop/products/S1.jpg?v=1670048230)
HULKMAN Sigma 1 Amp Automatic Car Battery Charger & Maintainer
![](http://www.hulkman.com/cdn/shop/products/S5_grande.jpg?v=1670048264)
HULKMAN Sigma 5 – HULKMAN Direct
![](https://m.media-amazon.com/images/I/71O6y3ZPIfL._SY350_PKmb-play-button-overlay_.jpg)
HULKMAN Sigma 1 Car Battery Charger, 1A 6V/12V Automatic Smart Trickle Charger, Battery Maintainer, and Desulfator with Intelligent Interface : Automotive
![](https://www.hulkman.com/cdn/shop/products/4.jpg?v=1670048230)
HULKMAN Sigma 1 Amp Automatic Car Battery Charger & Maintainer