Page 28 210-PMTXM Issue L www.skcltd.com
Care of the Battery Pack
Battery Charging
• Charge battery pack fully before first use to ensure optimum performance.
• Full battery capacity will be achieved after 2 to 3 full charge / full discharge cycles.
• Use only SKC approved charger designated for this battery pack. Use of a non-SKC approved charger
may impair battery performance or even cause irreparable damage, and will invalidate the battery pack
warranty.
Battery Performance
• Charging temperature - For optimum performance charge NiMH batteries between 0 and +40°C.
• Do not overcharge - For optimum performance disconnect battery pack from charger after 24 hours.
• Discharge temperature - For optimum performance discharge NiMH batteries between -10 and +45°C
(refer also to pump specifications on page 3 for other limitations on operating temperature for intrinsically
safe applications).
Battery Maintenance
• Battery cycling during regular use - Available battery capacity may be reduced when battery is only partially
discharged during each use. To maintain optimum capacity during regular battery use, cycle battery once
a month. To cycle battery, run pump until low battery shutdown occurs, then fully charge battery.
• Long term storage and highly infrequent use -
1. Charge battery fully prior to long term storage.
2. Disconnect battery from pump and store in a cool, dry place at temperature between 0 and 30°C.
3. Recharge battery at least once a year (or more frequently if stored at temperature above 30°C).
4. Cycle battery 2 to 3 times after long term storage to restore optimum capacity.
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