diameter is 14.5 mm. Varda Battery Rechargeable Power Pen Battery AA 2100 MAH 2 is a high capacity battery set with high capacity. Each battery has a capacity of 2100 mAh. The product contains two rechargeable batteries. The batteries weigh 29.0 grams and have a height of 50.5 mm. The diameter is measured as 14.5 mm. These dimensions are suitable for the standard AA battery size suitable for use in many electronic devices. Thanks to its rechargeable properties, you can charge and use these batteries over and over again. This provides an environmentally friendly option and allows you to save cost in the long run. Varda Battery Rechargeable Power Pen Battery AA 2100 MAH 2. It is widely used in electronic items such as controls, watches, toys and portable devices. High capacity provides long use time. This battery set stands out with its durability and performance. & Nbsp;