Whatever you choose to get, I would get one that charges multiple batteries at the same time. I use this one for2,3 and4s
BGUAD 100Wx4/10Ax4 AC/DC 4 Port RC LiPo Charger Discharger Intelligent Balance Charger Quad Multi-Functions for NiMH NiCd LiHV Pb Batteries for Hobby Rc Car Boat