Always use the APS 5 charger (purchased separately) to charge APS 5 batteries. Using an unsuitable charger can cause irreparable damage to the battery and fire.
Do not charge the battery immediately after exposure to a cold environment. Let the battery warm for at least 30 minutes before charging.
Do not leave the battery unattended while charging.
Do not use the charger if it has been modified or damaged.
Do not leave the battery in a plugged-in charger after charging is complete.
Do not expose the battery to high temperatures or open flames.
Do not use the battery as a power source for devices that do not support APS 5 batteries.
Do not disassemble or deform the battery or charger.
Do not drop or strike the battery or charger.
Protect the battery and charger from water and moisture.