L'Arc-en-Ciel UltraFire 18650 Set of 2 rechargeable protected Li-Ion 4000 mAh 3.7 V (Delivery time: 1-2 days from Germany, sent by 365buy) (Electronics)
I am very satisfied with the product, matches the seller's description and my expectations. fast delivery, although he would like the burden of my headlamp, in time to see his last life.