4 batteries Panasonic NCR18650B - 3400 mAh / 2C (OEM) - discovered (Accessory)
Used with the lamp fenix PD 35 for a better life. After much research on the net, these batteries are simply the best, by far, in their class, whether for flashlights, i cigarettes, scooters (in pack), or others. Just ensure that the battery size is