Fenix ARB-L21-5000 V2.0 is the latest Fenix 21700 Li-ion battery with 5000mAh battery capacity, featuring sufficient power and steady performance. ARB-L21-5000 V2.0 provides the lighting tools with longer duration. The multiple protection ensures the use safety and good performance of the battery; steel shell riveting technology protects the battery against damage; pressure relief vents rapidly expel internal gas.
Warranty : 1 year warranty from the date of purchase. Overdischarging or battery leakage is not covered nor is fast draining of battery while using. Please keep the voltage of all Li-Ion batteries above 3.8V for healthy storage. Recharge as soon as possible when you have run them down. Storing a depleted ( less than 3.2V open voltage ) battery may damage/ shorten life/cycle permanently.