Datalogic Gryphon I GBT4200 Quick Reference Manual page 53

CAUTION: Storage of batteries for long time at
fully charged status or at fully discharged
status should be avoided.
CAUTION: Only in case of long storage, to avoid
deep discharge of the battery it is recommended
to partially recharge the battery every three
months to keep the charge status at a medium
level.
As a reference, run a fast recharge for 20 minutes
every three months on unused products to avoid
any performance deterioration of the cell.
The useful life of LI batteries depends on usage and num-
ber of charges, etc., after which they should be removed
from service, especially in mission critical applications. Do
not continue to use a battery showing excessive loss of
capacity, it should be properly recycled / disposed of and
replaced.
Collect and recycle waste batteries separately from the
device to comply with European Directive 2006/66/EC,
2011/65/EU, 2002/96/EC and 2012/19/EU and subse-
quent modifications, US and China regulatory and other
laws and regulations about the environment.
QUICK REFERENCE GUIDE
Battery Safety
43