100% Compatible with All Black & Decker 16V 20V Lithium Ion Battery Charges Black & Decker 16V 20V lithium battery LBXR20 LBXR20-OPE LB20 LBX20 LBX4020 LB2X4020 LBXR2020-OPE LB2X3020-OPE High quality lithium charger replacement for Black & Decker original charger Can diagnose with LED indicator communicates battery charge status, full charger time is 7 - 10 hours as original 30-day money back and a 12 months limited warranty! Comply with FCC RoHS and CE security testing standards