Disposable batteries are a major burden in the long run - both for the wallet and for the environment. Especially for lithium batteries, the consumer has to grip deeply into the bag. So why not switch to rechargeable batteries, which are available in all sizes. In order to make the investment in a rechargeable battery worthwhile for the long term, it is important to use a charger that optimally charges the rechargeable batteries and thus considerably extends their lifetime.A variety of battery sizes are offered especially in the lithium segment. With the lithium 4 charger from you decide for the universal all-rounder with the best price-performance ratio. You can use up to 4 Li-Ion or Lithium Iron Phosphate (LiFePO4) batteries of sizes 26650, 22650, 18650, 18500, 17670, 16340, 14500 etc. or 1-4 NiMH Micro AAA, Mignon AA or 1-2 Baby C batteries charge independantly of each other. The device detects inserted NiMH and Li-Ion batteries completely automatically. Only when charging LiFePO4 b