With this device, you can charge up to 4 aa/aaa ni-mh/ni-cd rechargeable batteries at the same time. manganese does not charge dry batteries such as alkaline. thanks to the led screen on it, you can see the charging status of the batteries. it can be used with 5v micro usb and type-c cables. the charger is sold with a usb 5v micro usb cable. input: 5v - output: 1.2v attention: your device is only for charging aa/aaa ni-mh/ni-cd rechargeable batteries. attempting to charge different types of batteries may cause explosion, injury or malfunction. there is a risk of electric shock if used incorrectly. please keep the device out of reach of children. please do not disassemble the device. in case of any malfunction or unexpected situation, contact the authorized service or the place where you bought the product. the working environment temperature is 0-40c degrees. the device should only be used indoors. do not expose the device to humidity, rain, sunlight and excessive heat. maximum 10 pieces of this product can be ordered. swordslife reserves the right to cancel orders over 10 units. more than 5 stocks are offered to be sold at the campaign price. the seller determines the selling price of the product you have examined. a product can be sold by more than one seller. the sellers of the products offered for sale by more than one seller are listed according to the price they set for the product, the seller points, the delivery status, the promotions on the products, whether the cargo is free or not and whether the products can be delivered with fast delivery, the stock and categories of the products. is highlighted. This publication is ideal for readers seeking insightful and educational content. Prepared by experienced authors and printed with high-quality materials. Great for students, educators, and curious minds.