Professional Li-ion/Ni-MH battery charger with four independant channels featuring three optional charging current (0.25A / 0.5A / 1.0A) Can charge up to four 10440/14500/14650/16340/17500/17670/18350/18500/18650/18700 or up to two 22650/25500/26650 3.6V/3.7V Li-ion batteries Can charge up to four AAA/AA/A size Ni-MH batteries or up to 2 SC/C Ni-MH batteries For different types of batteries the XP4 adopts different charging methods: For