You cannot add another "FOTOKINA Sony Fv-100 Battery ChargerComaptiable with Sony DCR-SR15,SR21 DCR-SR68 DCR-SR88 DCR-SX15 DCR-SX21 DCR-SX44 DCR-SX45 DCR-SX63 DCR-SX65 DCR-SX83 DCR-SX85 FDR-AX33 FDR-AX53" to your cart.