Westinghouse 40-Volt 2 Amps Heavy-duty Power Equipment Battery in the Power Equipment Batteries department at Lowes.com
Got the chance to tear down all hart 40v packs. Surprised they put cheap generic cells in the $137 pack (not what I paid) : r/18650masterrace
Dual Power Battery 40V Li-ION Samsung and Charger Combo | Power Tools South Africa – RED RHINO
Dunsch 40V 2.5Ah Battery C40-25 - Dunsch
Westinghouse 40-Volt 2.5 Amps Heavy-duty Power Equipment Battery in the Power Equipment Batteries department at Lowes.com
2.5ah 3.5ah 36V 40V Li-ion Tool Battery for Black and Decker Lbx2040 Lbxr36 Lbxr2036 - China Battery for Black and Decker and Rechargeable Battery price | Made-in-China.com