![]() ![]() These white crystals of dried electrolyte are mostly Potassium Hydroxide also called caustic Potash, which is a strong base and will need to be dissolved and neutralized. These batteries often leak their electrolyte all over the battery compartments if you leave them inside a remote or toy for too long. The corrosion on these battery contacts was from Alkaline batteries. Once I saw the Alkaline crystals and corrosion on the battery contacts, I tried cleaning them off and eventually wound up restoring them back to their original nickel plated form. I actually just wanted the IR remote that it came with so this piece was just a bonus. I bought this Lego Mindstorms RCX brick on eBay for cheap because it said it didn't work. Other than that, I had everything else on hand. I ended up spending just $10 for one specialized item online, a piece of pure nickel for use as an electrode for electroplating. I started out using only regular household products that everyone should have laying around, combined with some bits and pieces scrounged from salvaged electronics parts. I am currently moving to a new house and I only have a few tools left unpacked, so for this project I only had basic tools to use. I have considered using electrolysis to remove rust on tools, but I never got to the point when it seemed necessary. All of these processes are new for me, but I can already see that they will be useful for other projects so I view this as a learning exercise as well. Once I got started I just couldn't help myself and I kept experimenting with different things to remove the corrosion and bring these battery contacts back to the way they were originally. These RCX bricks are pretty common on eBay and go for pretty cheap, so I could have bought another one rather than going to all this effort, but that's not how I do things. Please note that the Minimum Order Value is INR 300 for both prepaid and COD orders.Ok, before anyone else says it, this took more effort than it probably should have. Please contact to our support team at for any question related to shipping. For Cash on Delivery orders INR 80 will be charged for orders below INR 599 and INR 30 will be charged for the orders above 599. We ship to all over India with free shipping on all prepaid orders. Returns are accepted only with 3 days from the date of delivery. Please read the product specifications and datasheet before selecting and ordering a product. Moreover we don't accept the return, if the ordered product is not fit for any specific application. We don't accept the returns for the products damanged by improper use of the product. ![]() If your item looks different from what is shown in the image on our website, we will take the item back and provide a refund or replacement as per your choice. Once our support team accept the return, we will provide a replacement or a complete refund including the return shipping cost. If you receive a product damaged during shipment, please notify us within the 3 days of you receive the product, supported by the proper pictures and description. Below are the conditions where we can accept a return request. Has two terminals, the black and red wireĭue to the type of products we sell, we accept limited returns.Specifications of 9V Battery Snap Connector The ends of the wires are stripped to ensure easy connections in breadboards and Printed Circuit Boards. ![]() Additional to that, it protects the battery from dust and damage and it also protects circuits from unwanted electrical discharge due to unintentional grounding. The strap is made up of brass contacts that are nickel plated and two copper conductor wires that are PVC insulated. It is used to insulate and shield a 9V battery. This battery connector is quite handy, and avoids the extra effort to connect a battery from any electronic device or project. The wire used in this battery connector is a copper wire. This has two wires with standard color convention where black is ground and red is positive voltage. This is the 9V battery connector used with 9V high watt battery. ![]()
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