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Maha Energy MH-C9000 Safety Instructions

Powerex battery charger safety instructions mh-c9000.
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Supported Capacity*:
100 to 20,000mAh
Charger Input Power:
12V 2.0A
Adapter Input:
100-240V 50/60Hz
* Always ensure that the batteries can accept the programmed rates.
MH-C9000
WizardOne Charger-Analyzer
Thank you for purchasing the Powerex MH-C9000
Charger-Analyzer. Read these instructions carefully
and thoroughly before operating this unit. IMPORTANT
SAFETY INSTRUCTIONS. READ AND SAVE THESE
INSTRUCTIONS.
OPERATING THIS PRODUCT INCORRECTLY CAN
CAUSE DAMAGE TO THE BATTERIES.
READ MANUAL COMPLETELY BEFORE USE.
GENERAL BATTERY EDUCATION
GENERAL PRECAUTIONS
Do not charge battery cells other than NiMH or NiCD. Please check
What is 0.1C, 0.2C, etc?
with the battery manufacturer to ensure it can accept the
programmed charging and discharging rates. Do not expose the unit
to rain or moisture due to the risk of fire.
"C" stands for the battery capacity and the number in front of it is the
fraction of the battery capacity. For example, 0.1C means 0.1 times the
Do not operate the charger if it appears damaged in any way.
capacity for the battery. For a 2700mAh battery, 0.1C would be 0.1 times
2700mAh which equals 270mA.
Always place the battery cells with positive tip facing the top.
Incorrect polarity may cause fire or explosion. Observe polarity
diagrams located on the charger.
Choosing the right charging & discharging rate
Do not allow the unit to be exposed to direct sunlight. Operate in
well-ventilated area. Do not place unit on the carpet.
Charging at a rate below 0.33C and above 1.0C is not
recommended.
Do not allow the battery terminals to become shorted.
To reduce the risk of damage to the power cord, always pull by
Charging too slow may prevent the charger from terminating correctly.
connector rather than the cord.
Charging too fast may damage the battery.
Use only the supplied adapter or optional regional and car adapter
Typically speaking, slower charging rate will yield better battery
offered by Maha Energy. Using third party accessories voids the
performance but requires longer time. Faster charging rate may not
product warranty.
charge as fully and battery temperature can be higher.
Battery Matching
FEATURES & SPECIFICATIONS
In most devices, usually two or more batteries are used together. When
batteries are used in a series, the performance is limited by the worst
one. In other words, one poorly performing battery can significantly
Four independent slots for AA or AAA NiMH batteries.
reduce the device runtime.
Backlit LCD display.
Battery matching refers to grouping batteries with similar "actual"
Digitally displays capacity, voltage, time and current.
capacity. To perform this, use the Refresh & Analyze mode to determine
Five modes of operation: Charge, Refresh & Analyze, Break-In,
the battery capacity. Group batteries with capacity within about +/- 5% of
Discharge and Cycle.
the rated capacity.
19 selectable charging current from 0.2A to 2.0A.
Battery "Forming"
10 selectable discharging current from 0.1A to 1.0A.
New batteries and those stored for extended period become chemically
Worldwide power supply.
deactivated. Battery forming is a charge-discharge-charge cycle which
forces a full charge into the battery at a very slow rate. This process
Charging Current:
Programmable from 0.2A to 2.0A in
activates the battery. In certain cases, it needs to be repeated two or
increments of 0.1A
three times.
Topoff Charging Current:
100mA
Battery forming can be performed using the Break-In mode.
Maintenance Charging
10mA
Current:
Discharge Termination:
Voltage 1.00V
Discharging Current:
Programmable from 0.1A to 1.0A in
increments of 0.1A
Capacity Storage Memory:
12 (Cycle mode only)
PRINTED IN TAIWAN A03-3713420-496

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   Summary of Contents for Maha Energy MH-C9000

  • Page 1

    Use only the supplied adapter or optional regional and car adapter • offered by Maha Energy. Using third party accessories voids the product warranty. FEATURES & SPECIFICATIONS Four independent slots for AA or AAA NiMH batteries.

  • Page 2: Modes Of Operation, Charge Mode, Discharge Mode, Cycle Mode

    MODES OF OPERATION This section explains various modes and when to use them. To enable each mode, refer to the “Operation” section. Charge Mode Recharges the battery at the selected rate. • Useful when battery needs to be recharged without determining the •...

  • Page 3

    If REFRESH & ANALYZE mode is selected: The charger will prompt for the charging rate by flashing “SET CHG RATE.” Use the UP and DOWN key to choose the desired current. Press ENTER to make the selection. Then it will prompt from the discharging rate by flashing “SET DISCHG RATE.”...

  • Page 4

    Maha Energy Corp. warrants this product against defects in materials and workmanship as follows: For the first three years from the date of purchase, Maha Energy Corp. will repair or replace the unit at its option without charge for parts or labor. After the indicated period of three years, the product owner is subject to pay for repair and parts fee.

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