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Home > Chargers > AA, AAA, C, D, 9V Chargers > AA and AAA Battery Chargers
Maha MH-C204FA-DC AA - AAA Charger
Part Number K-C204FA-DC
Maha MH-C204FA-DC AA - AAA Charger
Includes 110V AC Power Adapter and 12V DC Car Power Cord
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Retail Price:  $31.95
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" AA " and " AAA " NiMH ( Nickel Metal Hydride ) / NiCAD Rapid Battery Charger plus Rechargeable Battery Conditioner.

Includes 12V DC Car Power Cord

Order # K-C204FA-DC

MAHA POWEREX MH-C204F & PowerEx NiMH Batteries named
"Best Charger & Batteries "
by PCPhoto Magazine

"The Mighty MAHA MH-C204F, Mother of All Chargers" ( Digital Camera Magazine ) -Oct. 99 Digital Camera Magazine
MAHA POWEREX MH-C204F Battery Charger & PowerEx NiMH Batteries named
"Best Battery Chargesr & Rechargeable Batteries " by PCPhoto Magazine 2001

Click here to download the MH-C204F instruction manual

intelligent battery charger
Unlike other dumb fast battery chargers, you can finally safely rapid charge your AA & AAA Nickel Metal Hydride rechargeable batteries! You no longer have to wait for the tens of hours required by ordinary overnight battery chargers! With MAHA's unique intelligent microprocessor design, your NiMH Rechargeable Batteries will be at their peak performance at all times.

battery conditioning
One of the most impressive features on the MH-C204FA battery charger is its added conditioning ability, which will rejuvenate your NiMH or NiCD rechargeable batteries to their best performance by subjecting them to a automatic discharge / charge conditioning cycle. User intervention not required.

dual charging circuits
The intelligent MH-C204FA battery charger features two independent banks, able to perform different functions simultaneously. This means you can charge two unique sets of two rechargeable batteries. You can put two NiMH AA rechargeable batteries in one bank and two NiCD AAA rechargeable batteries in the other bank. IT'S LIKE HAVING TWO BATTERY CHARGERS in one!

use in mobile & car
Operate the battery charger in your car, boat, RV, or any 12V power source with optional 12V Car Cord. ( Some models include the 12V DC Power cord. )

Maha Battery Charger MH-C204FRAPID Battery CHARGER
This state-of-the-art battery charger can rapid charge your NiMH and NiCD AA / AAA rechargeable batteries with the precision that only microprocessor technology can provide. Designed with two independent circuits. You can charge either one or two sets of rechargeable batteries totally independent of each set and the MH-C024FA will charge any brand of NiMH AA or AAA size rechargeable batteries regardless of capacity.

When using different types of rechargeable batteries such as NiCD, they often exhibit memory problems. With the conditioning features available in the MH-C204FA Battery Charger your rechargeable batteries can now be revived from poor performance. In addition the MH-C204FA battery charger can condition one set of two rechargeable batteries while charging another set. Once the conditioning cycle is complete the unit switches to the normal charge cycle. Totally automatic.
MH-C204FA Battery Charger Features & Specifications:
  • Charges either"AA" or " AAA " size rechargeable battery cells - Charges either rechargeable NiMH or NiCD battery cells.
  • Charges either "AA" or "AAA " size battery cells regardless of capacity
  • Built-in Microprocessor controller with Trickle Charge
  • Built-in Conditioner for Discharging NiMH or NiCD Batteries
  • Selectable Conditioning Cycle. Use only when needed.
  • Two or Four Cell Charging - Battery Charge Time 60-160 Minutes.
  • Two independent charging and conditioning / discharging circuits
  • Capable of simultaneous charging and /or discharging. 0deltaV based.
  • Rapid Charge Current : 500mA - Trickle Charge Current : 24mA
  • Fully recharges high capacity batteries. regardless of the batteries capacity and will recharge even the higher capacity batteries of the future.
  • Discharge Current : 240mA
  • Current Sensing IC switches to Normal Charge Cycle after Conditioning
  • Power Supply Voltage 12VDC - AC Adapter Included : Adapter Input 120V AC ~60Hz - Output: 12v DC 500mA
  • Simply charge your rechargeable batteries fully, and then just leave them in the the MAHA MH-C204FA Battery Charger up to 2 days ( while MH-C204FA battery charger is plugged in.) to maintain a continued full charge condition and your batteries will always be ready for use. One set can be used while charging another set.
  • Dimension 2 7/8" W x 3 7/8" L x 1 1/2"D
Battery Chargers MH-C204F Battery Charger LinkMAHA MH-C204F Battery Charger FAQ Sheet 15.5KB

Battery Chargers MH-C204F Battery Charger Link MAHA MH-C204F Battery Charger Operating Instructions [pdf format 110KB]

Battery Chargers MH-C204F Battery Charger Link MAHA MH-C204F Battery Charger Operating Instructions [HTML format]
Q: I just got the batteries & charger. What do I need to do before first using them?

For new NiMH batteries, it is necessary to cycle them three to five times or more before they reach peak performance. Battery cycling can be achieved simply by using the batteries and recharging them or using the charger’s built-in conditioner (see below).

Q: My charger came with POWEREX AAA batteries. How do I charge them?

  • The charger has two decks: the upper deck is for the AA batteries and the lower deck is for the AAA batteries. To install the AAA batteries, simply insert two or four of them into the lower deck, with the positive tip pointed up.
  • If charging two batteries, always use the rightmost two or leftmost two banks. If charging four batteries, fill all four banks.
  • Do not charge AA and AAA batteries simultaneously in the same bank.
  • While charging batteries, always leave the charger lid open to allow better cooling.
  • Follow the directions in the product manual under "Charging Instructions.

Q: The batteries get warm when I charge them. Is this normal?

When charging NiCD or NiMH rechargeable batteries, they do increase in temperature substantially due to internal resistance. Thus, the batteries may feel warm when the charge is completed. According to specification, NiMH batteries, including MAHA, may heat up to 131 deg F or 55 deg C during a rapid charge. This can certainly feel hot to some individuals.

It is also important that you leave the lid open during charging. This can reduce the heat buildup in the MH-C204F charger.

Q: What is conditioning?

The conditioning feature on the MH-C204F basically rejuvenates your batteries by first draining them and then charging them. By using this feature, your batteries will perform at their highest standards. Conditioning is also used to eliminate the memory effect which NiCD batteries suffer from.

Q: How often should I condition my batteries?

For Nickel Metal Hydride (NiMH) batteries, conditioning is recommended once for every ten charges. For Nickel Cadmium (NiCD) batteries, conditioning is recommended every time you charge your batteries.

Q: Can I leave my batteries in the charger until I need to use them?

Most NiMH batteries, including MAHA rechargeable batteries, can be left in the charger for an extended period of time without leakage, explosion, or deformation. However, do not store the batteries in the charger if it is not necessary or when the charger is not plugged in. Always store charged batteries in a cool location.

Q: I have not used my NiMH batteries in several months and they are not holding their charge. How can I fix this?

NiMH batteries will self-discharge if left unused. Generally, within 30 to 60 days, batteries will become completely drained. When using them, you will need to first recharge them. After extended storage, you may need to condition (using the conditioning feature on POWEREX chargers like the MH-C204F) the batteries several times to regain nominal performance.

Q: Can I use my MH-C204FA in the car?

Since the MH-C204F runs on 12V DC, you can use it in the car provided that you have a cigarette lighter adapter (Maha Part Number: MHS-DC-124). Make sure that your vehicle is supplying 13.8V or below. Some trucks may have 24V. In addition, never plug in the charger or operate your charger while you are starting your vehicle.

Q: Can I use my MH-C204FA to charge "Renewal Alkaline" or other rechargeable Alkaline batteries?

No. The MH-C204FA is only compatible with NiCD and NiMH style rechargeable batteries. Charging "Renewal", other alkaline batteries, or any non-rechargeable batteries, may result in damaging the charger or even fire.

Q: When I insert the batteries into my charger, there are no lights whatsoever. What could be wrong?

If no indicator is displayed, check your power source. Make sure it is plugged in correctly into a wall outlet with matching specification listed on the wall adapter. If you continue to experience difficulty, it may be possible that the wall adapter has failed. In that event, contact our customer service at 714-990-4557 for assistance.

Q: What is the warranty?

This product is covered by MAHA's One Year Limited Warranty.

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