This is a set of 50 brand new HAC-006 batteries for Nintendo Switch / Joy-Con. These are excess stock from my personal inventory. - Model: HAC-006 - Size: 51.5mm x 25mm x 5mm - Capacity: 3.7V 525mAh 1.9Wh (same as the original) - Compatibility: Nintendo Switch ※ The model is the same for both left and right Joy-Cons. ・The price is set after a discount, so please refrain from price negotiations. 【Important Notes】 ・The products are new, but I am not a business, so I cannot provide after-sales care or support. Also, please note that there is no manufacturer's warranty as these are unbranded. ・Returns, exchanges, and refunds are not accepted to prevent product substitution. ・The items will be shipped in simple waterproof and insulated packaging.