How Do I Keep My Lithium Ion Battery Healthy. If you frequently drain a lithium-ion battery and then recharge it it can quickly lose its ability to hold a charge which affects the. However according to a Microsoft spokesperson this might not be the best practice.

Overview Do not leave batteries unused for extended periods of time either in the product or in storage. Once it reaches full charge you must cut it off immediately. Leaving lithium-ion batteries perpetually plugged can lead to undue strain.
No overcharging for Li-ion batteries.
Some battery chargers and analyzers have a wake up recovery or boost feature designed to wake a sleeping battery. Bottom line just feel free to plug or unplug your charger at any time. No overcharging for Li-ion batteries. Think about getting a high-capacity lithium-ion battery rather than carrying a spare.
