Shenzhen Yuanxin Tech Limited

- Please keep in mind that do not expose the External power bank to rainwater, moisture, various liquids, since they will do harm to the electronic components, and circuit boards inside the product. - Please store your mobile power in a cool, dry place away from heat and direct sunlight. Excessive heat will shorten the life of the internal electric component even cause danger.Therefore, the recommended storage temperature for your power bank should not exceed 45° C. - Do not drop, knock or shake the external power bank. Such rudeness will damage the electron board and structure. - For long time storage, a 50 percent state-of-charge is highly ecommended. - It will be a good option to use the anti-static brush to clean the external power bank. - In general, we just need to focus on some interface when cleaning because the USB port is connected with the air and the dust will be inhaled into within the interface.