4 pack AAAA Battery, 1,5V, 580mAh. Suitable for the STOFF LED candles.
The "burning" time is approx. 150+ hours with 2 pcs. AAAA batteries per LED taper candle.
When using the OFF button on the remote, the LED light is set to standby. In stand-by mode the candles still use a little battery. If you want to turn off the light completely to save the batteries lifetime, turn off the light by twisting the bottom loose.