you can reuse rechargeable tea lights, without batteries. No battery replacement needed, saves money and protects the environment. The perfect alternative to conventional tea lights.For the environmentally friendly rechargeable LED tea lights, you do not need to buy disposable batteries. Save battery. Simply charge the tea light for about 3 hours and you will get more than 60 hours of warm candle light. (up to long time in power saving mode). (Note: For longer life, do not use the tea lights while charging.)Easy remote control: turn on/off, different flickering modes (including warm continuous light, gentle flickering) and timer function. Ideal for bedroom lighting, romantic dates, weddings, Christmas, birthdays or parties.