batteries - How to rebuild Ni-Cad battery pack for power tools - Electrical Engineering Stack Exchange
Convert Old Cordless Tools to Lithium Power : 5 Steps (with Pictures) - Instructables
CRAFTSMAN V20 20-volt Max 1/2-in Cordless Drill(1 Li-ion Battery Included and Charger Included) in the Drills department at Lowes.com
How To Revive & Fix a Bad NiCd Rechargeable Tool Battery - Part 1 - YouTube
How to revive dead NiCd battery from cordless power tools - YouTube
QUICK FIX PRO 4.8V Cordless Screwdriver w/Rechargeable NiCd Battery – NEW IN BOX 182862000517 | eBay
Amazon.com: Tenergy 2200mAh Sub C NiCd Battery for Power Tools, 1.2V Flat Top Rechargeable Sub-C Cell Batteries with Tabs, 15-Pack : Health & Household
How to Care for Rechargeable Cordless Tool Batteries