Black & Decker 9078 PivotDriver | Ni-Cd to Li-ion Battery Upgrade (3.7V 1S2P) ASMR

Can an old *Black & Decker 9078 PivotDriver* get a new life with a Li-ion battery upgrade? 🔋 In this video, I upgrade the original Ni-Cd battery pack of this classic folding cordless screwdriver to a **3.7V Li-ion 1S2P configuration using two blue 18650 cells**. Watch the battery conversion process, from the original nickel-cadmium battery pack to the new lithium-ion setup, with close-up shots and real workshop sounds. 🔧 *Tool:* Black & Decker 9078 PivotDriver 🔋 *Original battery:* Ni-Cd (nickel-cadmium) ⚡ *New battery configuration:* 3.7V Li-ion 1S2P 🔋 *Cells:* 2 × 18650 Li-ion cells connected in parallel 🎧 *Video style:* Tool restoration ASMR — no talking, no music. This project explores how an old mini cordless screwdriver can be upgraded with a modern battery pack. Actual performance depends on the battery cells, protection circuit, wiring, and the tool's current requirements. If you enjoy vintage power tools, cordless screwdriver restoration, battery upgrades, and satisfying mechanical ASMR, subscribe to *Tool Revival ASMR* for more restoration projects. 👍 Like the video and leave a comment: Which old cordless tool should I restore next? #BlackAndDecker #PivotDriver #LiIonBattery #BatteryUpgrade #ToolRestoration #ASMR