After a single charge, the IMALENT LD35(LD70) Rechargeable EDC Flashlight can last up to 2 days in low mode (Assume the flashlight is always on), and when used with the charging case, the runtime can be extended to over 6 days. The enhanced battery life gives you the confidence that your flashlight is always ready to shine. The enhanced battery life ensures that your flashlight is always ready to shine. Note that actual battery life may vary depending on the lighting mode used.