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Ian Jenkins

NiMH Rechargeable Batteries Information

Rechargeable Nickel Metal Hydride NiMH batteries are the way of the future. They outlast other battery types in high power devices like digital cameras, flash units, GPS and radio microphones.

• Environmentally friendly containing no lead, mercury or cadmium
• More than twice the power of rechargeable NiCads
• No "memory" effect so can be recharged at any time.
• Outlast alkaline batteries in high drain devices like digital cameras.
• Recharged at least 500 times

Ecobatteries stocks Maha, PowerEx Pro, PowerEx,Imedion or Precharged batteries.

What a customer says About rechargeable NiMH batteries. "These batteries are AWESOME, I've used them all day. They took 85 shots with flash in my digital camera with thier first charge and they are still going. It would have cost me at least 4 sets of alkaline batt to do the same. A1 Thanks again Edwin"

For charging Ecobatteries recomends either the Maha MH C204W, the Maha MH C9000 or the Maha MH C401FS fast chargers. These chargers automatically charge up to 4 AA batteries in less than 2 hours. For charging 8 batteries Ecobatteries reccomends the MH-C801D fast charger.

NiMH Rechargeable Batteries Do's and Don't's

Do

• Charge and use them in sets.
• Charge batteries before using them the first time.
• Charge them any time.
• Charge them before storage.

Don't

• Fully flatten them by leaving them on too long.
• Leave them in the charger with the charger turned off.
• Store them with without charging them.
• Leave them trickle charging for extended periods, say over 48 hours
• Carry them in a pocket with keys.

Charging

• Always leave the charger cover open as charging gives off heat.
• If usnig a fast charger it must be suitable for Nickel Metal Hydride ( NiMH ) batteries.
  Ecobatteries reccomends Maha fast chargers.

Why do the batteries in my camera do not last ?

If one battery has a lower voltage than the others then it is faulty and will pull the others down. Replace it.
To test for this, when the batteries are discharged measure the indivual batteries voltage with a voltmeter. Only place a voltmeter across a battery instantly and never use an ampmeter.
As rechargeable batteries self discharge they must be charged before putting them into storage. If left in a charger that is turned off the batteries will discharge through the charger.

NiMH Information Web sites

• Batteries: History, Present, and Future of Battery Technology
  Extreme tech web site information. Put the word "batteries " in the search box.
• Ecobatteries Articles
• Ecobatteries battery tests

Click here for ordering and pricing.