September 16, 2014, 10:01:19 PM

Author Topic: Finally getting some Eneloops, but will my old charger work?  (Read 6703 times)

neuroanatomist

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Re: Finally getting some Eneloops, but will my old charger work?
« Reply #15 on: September 14, 2013, 10:38:16 AM »
http://www.mahaenergy.com/mh-c9000/

If you have rechargeable batteries, this charger is a no brainer.

If you have eneloops, how is this ~$60 charger better than the ~$6 charger from Sanyo?
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Re: Finally getting some Eneloops, but will my old charger work?
« Reply #15 on: September 14, 2013, 10:38:16 AM »

Joe M

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Re: Finally getting some Eneloops, but will my old charger work?
« Reply #16 on: September 14, 2013, 10:39:53 AM »
I've seen Eneloop themselves state that you can use any reputable charger without issue.  I understand that everyone has gear budgets but in the big scheme of things, an investment of $4 which will last you many years can't be considered outrageous.  The old sales ploy of "costing pennies a day" would actually be very appropriate for this expenditure.   
I too many years ago started with energizer and quickly realized they didn't cut it.  They had no shelf life and I didn't have the time to charge up sets before heading out for a day.  When I went to eneloop I dumped the energizer charger along with the batteries.  I admit I don't have the expertise that some here do with using different brands and knowing much about charging rates but such a small expense means you don't have to worry or think about it.  Enjoy the eneloops.

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Re: Finally getting some Eneloops, but will my old charger work?
« Reply #17 on: September 14, 2013, 11:26:23 AM »
http://www.mahaenergy.com/mh-c9000/

If you have rechargeable batteries, this charger is a no brainer.

If you have eneloops, how is this ~$60 charger better than the ~$6 charger from Sanyo?

depends on your usage i guess if you would see a difference in performance over time.

i have sets of powerex batteries that i killed over time due to the amount of usage they got. even rechargeables dont last forever. the maha charger i have has multiple charge modes that allow for quick charge, slow charge (better for long term health of the batteries), and a refresh charge that can actually improve the performance of older sluggish batteries. a standard charger may not offer these extra features.

the 60.00 higher end chargers can increase the life and performance of your batteries. they can prevent you from having to spend on additional batteries over time at a clip of 30-40.00 per set. my charger has saved me a ton of money.

but again...it depends on your usage. i use my batteries heavily and have seen the difference of charging modes 1st hand.
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drmikeinpdx

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A timely topic for me!
« Reply #18 on: September 14, 2013, 12:20:32 PM »
I had a shoot in the Columbia River Gorge on Wednesday that would need some portable lighting.  The hike to the photo spot is a bit tricky, so I decided to take a speedlight instead of my usual Alien Bee w/battery pack, umbrella and stand.  The amount of light was fine as you can see in the test shot below...



Unfortunately, my rate of fire was a bit limited with the YN568EX.  I was only using 1/4 power (on manual) but I was shooting about one shot every second or two and exceeded the recycle speed.  So I lost about one of every three or four shots when the flash didn't fire. 

I haven't been a big speedlight user, so I've just been using disposable alkalines purchased in large quantities at Costco. 

Some research on the net tells me that speedlights will cycle faster with Eneloop type batteries, so I'm making the switch to Eneloops with a Maha 8 circuit charger.  Adorama and B&H had the best price on the C801d model, which has lots of good reviews on the net, including one by a Strobist contributor that was pretty convincing. 

I'm anxious to try out the Eneloops and see just how much faster they can make my speedlight cycle.
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jdramirez

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Re: Finally getting some Eneloops, but will my old charger work?
« Reply #19 on: September 14, 2013, 02:00:54 PM »
 the charger I have is 260-300 mA.  someone was selling a fifty dollar/&h  gift card on Craig's list for 35  and I really wish I had bought it because this would be perfect to get. 
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Re: Finally getting some Eneloops, but will my old charger work?
« Reply #20 on: September 14, 2013, 02:58:45 PM »
Dear Friends
Here are my Eneloop package
Surapon

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Re: Finally getting some Eneloops, but will my old charger work?
« Reply #21 on: September 14, 2013, 04:12:30 PM »
The energizer charger fast charges batteries and has a reputation for overheating them and ruining them.  A battery that should last for several years may die in 6 months.  Its good for selling batteries.
The Sanyo Charger works fine.  Maha has a reputation for producing good chargers, except for the one I got which melted down.
 
I have 4 or 5 Sanyo chargers now, and still have 3 or 4 Maha Chargers that I don't want to use for fear of a fire.

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Re: Finally getting some Eneloops, but will my old charger work?
« Reply #21 on: September 14, 2013, 04:12:30 PM »

Bob Howland

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Re: Finally getting some Eneloops, but will my old charger work?
« Reply #22 on: September 14, 2013, 05:23:31 PM »
http://www.mahaenergy.com/mh-c9000/

If you have rechargeable batteries, this charger is a no brainer.

If you have eneloops, how is this ~$60 charger better than the ~$6 charger from Sanyo?

Update: Some days you get the bear and some days the bear gets you.

First, what is the model number of the Sanyo charger? (Update: NC-MDU01 for the 2-battery unit powered from a USB port and MQN04 for the 4 battery unit powered by mains.)

Second, does the Sanyo charge each cell individually or does it connect them in series pair and charge the pair, a strategy which eventually destroys the weaker of the two batteries? (Update: The NC-MDU01 charges them individually while the MQN04 charges them in series.)

Third, what is the normal charging current of the Sanyo charger? (Update: 850mA for a single battery plugged into the NC-MDU01 and 450mA when two batteries are plugged in. 250mA for the MQN04) My LaCrosse BC700's normal current is 100mA (Update: 200mA) and my Maha MH-C800S 8-battery model defaults to 500mA (Update: 1000mA) but can be reduced to 200mA (Update: 500mA). More current is worse since it heats up the battery and damages its internal structure.

Anyway, I use the LaCrosse almost exclusively. The Maha is used when I have a lot of batteries that need to be charged in a hurry, but that's why I bought it.
« Last Edit: September 14, 2013, 06:01:23 PM by Bob Howland »

hawaiisunsetphoto

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Re: Finally getting some Eneloops, but will my old charger work?
« Reply #23 on: September 14, 2013, 06:02:24 PM »
http://www.mahaenergy.com/mh-c9000/

If you have rechargeable batteries, this charger is a no brainer.

If you have eneloops, how is this ~$60 charger better than the ~$6 charger from Sanyo?

depends on your usage i guess if you would see a difference in performance over time.

i have sets of powerex batteries that i killed over time due to the amount of usage they got. even rechargeables dont last forever. the maha charger i have has multiple charge modes that allow for quick charge, slow charge (better for long term health of the batteries), and a refresh charge that can actually improve the performance of older sluggish batteries. a standard charger may not offer these extra features.

the 60.00 higher end chargers can increase the life and performance of your batteries. they can prevent you from having to spend on additional batteries over time at a clip of 30-40.00 per set. my charger has saved me a ton of money.

but again...it depends on your usage. i use my batteries heavily and have seen the difference of charging modes 1st hand.

^  Agree.
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cocopop05

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Re: Finally getting some Eneloops, but will my old charger work?
« Reply #24 on: September 14, 2013, 07:08:53 PM »
Hi neuroanatomist, I believe the Sanyo charges batteries in pairs rather than individually like the C9000.  This means that if you pair up a battery that has an actual capacity of say 2200mAh with one that has a capacity of 2500mAh, then the charger may damage the weaker battery.

Other advantages over Sanyo are:
- You can select the charge and discharge rates for more gentle battery charging and discarging.
- It doesn't just charge batteries, it can discharge them as well (better for battery conditioning)
- Refresh older batteries to improve their capacity (I gained over 50% increased capacity in many of my older batteries).
- The C9000 allows you to see the actual capacities of each batter, that way you can group the stronger batteries together.  Remember, when the weakest battery dies first, the device no longer operates, even if the rest of the batteries have capacity left.   
« Last Edit: September 14, 2013, 07:13:51 PM by cocopop05 »

neuroanatomist

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Re: Finally getting some Eneloops, but will my old charger work?
« Reply #25 on: September 14, 2013, 07:09:41 PM »
Thank for the info, everyone!
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jdramirez

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Re: Finally getting some Eneloops, but will my old charger work?
« Reply #26 on: September 14, 2013, 08:19:17 PM »
The energizer charger fast charges batteries and has a reputation for overheating them and ruining them.  A battery that should last for several years may die in 6 months.  Its good for selling batteries.
The Sanyo Charger works fine.  Maha has a reputation for producing good chargers, except for the one I got which melted down.
 
I have 4 or 5 Sanyo chargers now, and still have 3 or 4 Maha Chargers that I don't want to use for fear of a fire.

I'm aware that the slower the charge, the better the life span of the battery.  It also doesn't over heat which can be important as well.  But the Energizer charger I have was a slow charging charger.  Generally it was an overnight proposition.
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Re: Finally getting some Eneloops, but will my old charger work?
« Reply #27 on: September 14, 2013, 09:42:33 PM »
The energizer charger fast charges batteries and has a reputation for overheating them and ruining them.  A battery that should last for several years may die in 6 months.  Its good for selling batteries.
The Sanyo Charger works fine.  Maha has a reputation for producing good chargers, except for the one I got which melted down.
 
I have 4 or 5 Sanyo chargers now, and still have 3 or 4 Maha Chargers that I don't want to use for fear of a fire.

I'm aware that the slower the charge, the better the life span of the battery.  It also doesn't over heat which can be important as well.  But the Energizer charger I have was a slow charging charger.  Generally it was an overnight proposition.

In that case, it should work.  The comment you made about what seemed like a relatively short battery life caused me to remember the issue.

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Re: Finally getting some Eneloops, but will my old charger work?
« Reply #27 on: September 14, 2013, 09:42:33 PM »

jdramirez

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Re: Finally getting some Eneloops, but will my old charger work?
« Reply #28 on: September 15, 2013, 11:43:49 AM »
 thanks for the help all.  I  decided to go for some bang for the buck  and I got this:

eneloop NEW Power Pack, 2000mAh Typical, 1900mAh Minimum, 1500 cycle, 8AA, 2AAA, 2 "C" and 2 "D" Spacers, 4 Position Charger, and Storage Case

 I'll throw the aaa's  into my intervolometer,  I'll have a charger I can trust and backup batteries for my flash.   all for 34  bucks.
Upgrade  path.->means the former was sold for the latter.

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Re: Finally getting some Eneloops, but will my old charger work?
« Reply #29 on: September 15, 2013, 01:18:33 PM »
The Sanyo charger I got with the eneloops is 560mAh for 4 batteries 1120 for 2. That is quit aggressive. A charge at 200 mAh is better. Also it charges 2 or 4 batteries in pairs. But not all devices use even number of batteries. Canon GP-E2 uses 1 AA, my small flashlight uses 1 AAA, another uses 3xAAA, so does few of the remotes. So how do you charge 3 batteries? You wait for a fourth. But that not a pair. One pulls a battery from a device when it do not supply the necessary juice. The demand of a motorized tooth brash is not the same as remote. So a charger that charge only pair will stop when the first of the two is at capacity leaving the other at less the full capacity or, worse, continue, causing overheat in the first battery to charge to capacity until its pair reaches that mark.
A high end charger charges each battery individually! It also allows you to choose slow or fast charge if necessary. If you keep two simple chargers (a slow one and a fast one) beware, the "pairs" can be different (1+2, 3+4 or 1+3, 2+4) so do not "pair" different kind (AA/AAA, low/high capacity etc)
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Re: Finally getting some Eneloops, but will my old charger work?
« Reply #29 on: September 15, 2013, 01:18:33 PM »