Datalogic Gryphon I GD4132 Product Reference Manual page 16

Introduction
Storage of batteries for long time at fully charged status or at fully discharged status
should be avoided.
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 number 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 capac-
ity, it should be properly recycled / disposed of and replaced.
Collect and recycle waste batteries separately from the device in compliance
with European Directive 2006/66/EC, 2011/65/EU, 2002/96/EC and 2012/19/
EU and subsequent modifications, US and China regulatory and others laws and
regulations about the environment.
14 Gryphon™ I GD4132/GM4102/GBT4102