Original battery Bosch PROCORE 4000mAh 4,0Ah 18V Li-ion | eBay
Factory New 18v 4.0ah Lithium-ion Battery For Procore 1600a016gb For Bosch 18 Volt Max Cordless Power Tool Drills, Free Shipping - Rechargeable Batteries - AliExpress
Bosch 4 Amp-Hour; Lithium Power Tool Battery in the Power Tool Batteries & Chargers department at Lowes.com