Cossatot 1000 XL Duty USB .

Stay with IMR batteries – these are better for portable devices such as LED , power tools, vaping and more. 2. INR – Lithium Manganese Nickel .

Best 2018 – Buyer’s Guide. There are thousands of in the market. Even if you narrow it down to , you’ll still have to choose from a huge selection. 18650 rechargeable flashlight