How long should I charge the battery? October 08, 2024 23:37 We recommend charging the battery for 4 to 6 hours to obtain a full charge. Related articles How long will the rechargeable battery last with a full charge? iCVBT7 I am trying to charge the mirror but the Battery Level Indicator is not turning on? What’s the warranty period for this product? My mirror is "locked up" and does not respond as expected.