BL1840B battery, LXT 18 V, 4 Ah, charge level indicator, polyethylene bag, 1 pc.

DeWALT DCB104-QW Battery Charger Technical specifications: type — Li-Ion battery charger; battery voltage — 12/18/54 V; 4 charging ports; charging current — up to 8 A per port; compatible with XR and FLEXVOLT systems; weight — 2.9 kg.

DeWALT DCB547G-XJ Battery Technical specifications: Li-Ion; XR FLEXVOLT technology; voltage — 18/54 V; battery pack for DeWALT power tools; slide-on mounting system.

DeWALT DCB184G-XJ Battery Technical specifications: Li-Ion; voltage — 18 V; capacity — 5.0 Ah; slide-on mounting system; weight — 0.62 kg; impact-resistant housing; compatible with DeWALT XR 18V tools.

Battery DeWALT DCB548-XJ Technical specifications: type — Li-Ion; technology — FLEXVOLT; voltage — 18/54 V; capacity — 12 Ah at 18 V / 4 Ah at 54 V; mounting type — slide; weight — 1.6 kg.