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Customer Questions & Answers for
MH-21 Quick Charger

The MH-21 can be used to recharge and calibrate EN-EL4/EN-EL4a batteries.
Customer Questions & Answers:
4 Questions
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4 Answers

Questions & Answers for Nikon Inc. MH-21 Quick Charger

Question

Does the MH-21 with USA 120v cord needs new 240v cord for Europe?

From what I have read on the MH-21 and this website, the charger will have no problems switching between the USA and Europe power systems. However, it appears that I will need a new cord rated for the 240v while in Europe, right?
asked 2 years, 7 months ago
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Anonymous
2 years, 7 months ago
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answer 1
Nikon Digital SLR cameras have an auto switching (from 100v to 240V 50hz/60hz) battery charger that will work in most countries around the world. A/C adapters have similar characteristics. Always check the specification plate on your other battery chargers or A/C adapters as third party products may not support dual voltage systems. We do not suggest the use of third party battery chargers and A/C adapters with Nikon equipment.
Note that the cord included with the Nikon charger or A/C adapter is designed for 110 volt use only. A power cord suitable for the local power system should be obtained on arrival, most airport shops and computer suppliers will carry these items which are typically used for laptop conmputer power supply connections. Be sure that the new cord you buy fits the Nikon adapter you wish to use it with and that it is rated for the voltage in your new location. While not recommended, a simple plug adapter may be used, but caution should be taken as the cord Nikon supplies is not rated for the higher voltage and may heat or fail.
answered 2 years, 7 months ago
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NikonStaff
2 years, 7 months ago
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Question

charging condition

Is it normal for this kind of charger, mh-21 charger, to blink (all bulb) while charging?
When I insert the battery the 50% bulb blink and in about 20 or 30 minutes all bulb blink at the same time.
Please help.
Age: 45-54
Favorite Subject: Landscape
Nikon Family: 0-1 years
Experience: 3-6 months
Role: Just getting started with photography
asked 2 years, 5 months ago
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Anonymous
2 years, 5 months ago
Age: 45-54
Favorite Subject: Landscape
Nikon Family: 0-1 years
Experience: 3-6 months
Role: Just getting started with photography
on MH-21 Quick Charger
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answer 1
If the battery is less than 50% of maximum capacity (50% blinks). 50-80% of maximum capacity (50% glows, 80% blinks). More than 80% but less than 100% of maximum capacity (50% glows, 80% glows, 100% blinks). 100% of maximum capacity (50% glows, 80% glows, 100% glows).
answered 2 years, 5 months ago
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NikonStaff
2 years, 5 months ago
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Question

how to cal battery

asked 2 years, 3 months ago
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Anonymous
2 years, 3 months ago
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answer 1
With the battery in the charger just press the calibration button.
answered 2 years, 3 months ago
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KeithD
2 years, 3 months ago
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Question

Chargin

I have a brand new MH-21 plugged in and charging with a brand new EL4EN-ELa battery. The calibration light is on and the battery ( after 3 hours now) the other charge lights aren't coming on. Only the constant green glow at 50%. It appears to be stuck on solid yellow (calibration) and solid green ( 50%) and isn't changing. Any tips?
Location : Boston, MA, USA
Age: 45-54
Favorite Subject: Sports
Nikon Family: 2-5 years
Experience: Less than a month
Role: Occasional user, memory keeper
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asked 1 year, 11 months ago
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TGP
1 year, 11 months ago
Location : Boston, MA, USA
Age: 45-54
Favorite Subject: Sports
Nikon Family: 2-5 years
Experience: Less than a month
Role: Occasional user, memory keeper
on MH-21 Quick Charger
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answer 1
Sometimes calibration can take a long time depending on how much charge is left in the battery as it has to discharge the battery first.
answered 1 year, 11 months ago
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KeithD
1 year, 11 months ago
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