A2B Alva+ XLR Lithium-Ion Battery Charger
(sku: 12802) Li-Ion Charger 36v/4A - XLR(3-pin)
This is the official A2B Alva+ 3-prong battery charger. Please check your battery charging port. If there are 3 holes, then this is the correct charger. If instead, you see a group of smaller holes and two metal dots then you will need the A2B Alva+ Rosenberger battery charger.