I have my TR-J18 given away as it to my old TR-J12 (with 5 LEDs) little or no difference in light intensity had. But all the more hungry for Strom.Richtige batteries have to already take because the batteries a la China 5000mah are scrap and usually have 25-35% of the stated values, the formula applies exactly for the specified 8500Lumen. (You can see it yourself test but there are only 2600Lumen.Mann must already 15 euro make easy for eg Panasonic NCR akkus.Alternative King Kong 28650 Batteries 4000mAh. (China good batteries) Over time, the undersized pens Baterieaufnahme be deformed by the high current consumption which has loose contacts to follow and must be replaced by more stable. My tip is to take the TrustFire TR-J12. (Lumen 2300) Who wants to crack the 4000 lumens limit buys a KD driver. [...] Plenty of light but also problems with the cooling.
