Appendix R - Lithium Ion Battery Care - Waygate Technologies Everest Mentor Visual iQ VideoProbe Operating Manual

Appendix R - Lithium Ion Battery Care

Store & Charge your batteries at room temperature
• The worst thing that can happen to a lithium-ion battery is to have a full charge and be subjected to elevated temperatures.
• Charge batteries at room temperature.
Allow partial discharges and avoid full ones
• Unlike NiCad batteries, lithium-ion batteries do not have a charge memory. In fact, it's better for the battery to use partial-discharge cycles.
• There is one exception. Battery experts suggest that after 30 charges, you should allow lithium-ion batteries to almost completely discharge.
• Batteries should be discharged at temperatures between 0°C and 60°C.
Avoid completely discharging lithium-ion batteries
• Do not recharge deeply discharged lithium-ion batteries if they have been stored in that condition for an extended time period.
Battery Storage
Caution - Do not store an uncharged battery as it may become unusable!
The battery's protective circuitry will not allow charging below a certain minimum voltage threshold in order to prevent thermal runaway.
Thermal runaway can occur when charging a completely drained Lithium Ion battery. The protection circuitry prevents this from happening.
Extended Storage
• For extended storage, discharge a lithium-ion battery to about 40 percent and store it in a cool place
• Storing a battery fully charged means oxidation of lithium-ion is at its highest rate. Storing lithium-ion
batteries at 40 percent discharge and at cool room temperatures is recommended.
• It is recommended to setup a preventative maintenance schedule to check stored battery levels
montly to confirm the charge level is not less than 20% (one LED lit).
For Proper Battery DC-connector strain relief attachment, please refer to the shown image..
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