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4V MINI LED ACID BATTERY

৳65.00  ৳70.00

Sold By: AMANULLAH ENTERPRISE

4V MINI LED ACID BATTERY /4v lead acid battery/4v battery/4v charging battery/lead acid battery/lead acid battery repair/how to charge 4v battery with mobile charger,4v battery.

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ITEM VIDEO - https://youtu.be/nbqsCNkXWSU?si=3tEWYKqXFIqpSlG0 ITEM DESCRIPTION - The image shows a sealed lead-acid battery, commonly used in mosquito bats, toys, and other small devices. These batteries are rechargeable and typically have a 4V DC rating with a capacity of around 400mAh. Lead-acid batteries work through chemical reactions involving lead dioxide, lead, and sulfuric acid. They consist of positive electrodes made of lead oxides and negative electrodes made of porous lead, all immersed in a sulfuric acid electrolyte. A microporous separator prevents short circuits between the electrodes. These batteries are known for their reliability and are widely used in various applications, including starting vehicles, emergency power supplies, and electric bicycles. While they are the oldest type of rechargeable battery, they are still relevant due to their low cost and ability to provide high current. 


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