Applicable battery: flat head 18650 lithium batteries length: 6.5cm/2.56in, pointed head 18650 lithium batteries length: 6.7cm/2.64in, pointed head+protective plate 18650 lithium batteries length 6.9cm/2.72in (excluding battery).
This product would be ideal for individuals who are interested in portable electronic devices, such as laptops, e-readers, and smartphones, and need a durable, stylish, and user-friendly power box with built-in battery case for charging.
