marți, 6 noiembrie 2012

MH-C9000 BREAK-IN and DISCHARGE modes

The MAHA Powerex MH-C9000 can analyse the voltage and capacity of AA and AAA batteries while it charges them'

Break-In Mode (IEC capacity analysis)
Charging is done at a current of 10% of the maximum capacity of the battery and can last more than 16 hours, depending on their capacity.



• Applies a 16-hour 0.1C charge (0.1 times the capacity of the
battery), rest of one hour, followed by a 0.2C discharge, rest again,
and finally a 16-hour 0.1C recharge again.
• Recommended for brand-new batteries. This process is also known
as “Forming Charge.” Also recommended with batteries that cannot
be rescued by the Refresh & Analyze mode.
• Recommended once every 30 cycles for NiMH batteries.
• Requires 39 to 45 hours to complete.
• The process follows the IEC standard for determining battery

Charge Mode
• Recharges the battery at the selected rate.
• Useful when battery needs to be recharged without determining the
capacity of the battery. It should be used on batteries known to be in
good condition and have been in continuous use.
• Requires the least amount of time.

Refresh & Analyze Mode
• First recharges the battery, rest for one hour, discharge, rest, then
recharges again. Charging and discharging rates are programmable.
• Reports the discharge capacity at the end of the cycle.
• Useful when the battery capacity needs to be determined. Also
useful for battery with degraded performance.
• Recommended once every ten cycles for NiMH batteries


Discharge Mode
• Discharges the battery at the selected rate.
• Useful for analyzing the amount of charge stored in the battery.
Battery not recharged at the end of the cycle.

Cycle Mode

Similar to how the formatting (Break-in), battery reconditioning is done by fully charged and discharged in 12 cycles.
- The LCD screen displays the number of cycles completed.

• Performs a charge-discharge cycle for the programmable number of
times. Charging and discharging rates are also selectable. At the
end of the cycle, a final recharge is applied.
• Suitable for cycling the batteries multiple times.


capacit

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