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CRYSTAL® BATTERY USER MANUAL
3.1 CHARGE CHARACTERISTICS
GRGS, HGRGS, GRFT
AND
GRLS
Charge voltages must be temperature compensated and Bulk/Boost times need to be adjusted according to the
DOD to ensure optimal charge acceptance and enhance the recombination rate of the electrolyte.
This user manual should always be read in conjunction with the specific battery datasheet where further
charging/discharging information can be found. Always check to ensure you have the most recent version of the
datasheet and/or user manual by regularly visiting the Green Rhino website: www.greenrhino-energy.com
PLEASE OBSERVE THE FOLLOWING WHEN CHARGING CRYSTAL® BATTERIES:
• The voltages quoted in ALL the charging information are the required terminal voltages. You may need to
compensate your charger settings to overcome voltage drops over charging cables and other inline devices.
• When charging with a new charger always observe the battery during the first few charge cycles to ensure
that the charger progresses through each stage of charge.
• Green Rhino always recommends new batteries be given at least 3 additional discharge/charge cycles before
putting new batteries into mission-critical applications.
• Crystal® batteries will typically increase by 5˚C (41˚F) to 10˚C (50˚F) during charging. If a battery is hot
during charge, it is recommended to perform a purification charge cycle and then re-observe the next charge
cycle. If the battery continues to get hot, consult the troubleshooting guide at the back of this
manual or consult a Green Rhino office.
• Always try and match the batteries from the sameproduction batch.
• Allow the batteries to cool down to room temperature after charging and prior to use for the best life and
discharge performance.
WARNING: FAILURE TO ADHERE TO RECOMMENDED CHARGE SPECIFICATIONS CAN REDUCE BATTERY
PERFORMANCE AND VOID YOUR WARRANTY IF THE BATTERY OVERCHARGES OR UNDERCHARGES.
