How should I best recharge this Lithium Ion battery?

I have bought a cordless drill from a garage sale %no paperwork / no manuals. This tool uses a Lithium Ion battery pac. How many hours should I have to recharge this battery in order to keep this unit fully charged? And does the Lithium Ion technology require me to fully discharge the battery so I can... show more I have bought a cordless drill from a garage sale %no paperwork / no manuals.
This tool uses a Lithium Ion battery pac.
How many hours should I have to recharge this battery in order to keep this unit fully charged?

And does the Lithium Ion technology require me to fully discharge the battery so I can recharge it from the 0-point (like Nicad technology) for longest / best longevity?
1 answer 1