Olympus UK E-System User Group
Olympus UK E-System User Group

Join our unique resource for Olympus Four Thirds E-System DSLR and Pen and OM-D Micro Four Thirds photographers. Show your images via our free e-group photo gallery. Please read the e-group.uk.net forum terms and conditions before posting for the first time. Above all, welcome!


Go Back   Olympus UK E-System User Group > Cameras, lenses and system accessories > Accessory talk > Flash

Flash FL-related discussions can be found here.

Reply
 
Thread Tools Display Modes
  #1  
Old 24th August 2018
Loup Garou's Avatar
Loup Garou Loup Garou is offline
Full member
 
Join Date: May 2012
Location: Royal Wootton Bassett
Posts: 694
Thanks: 92
Thanked 41 Times in 41 Posts
Likes: 50
Liked 55 Times in 46 Posts
Using hi-power rechargeable AA batteries for flashguns

During my scuba diving days I used 2 powerful strobes for underwater photography and each was powered by four 2900mAh rechargeable AA batteries. I have been retired from diving for over 2 years but still have those batteries. I wondered about using them with my Olympus FL600-R or Nissin i40 for conventional flash photography but am not sure if they are too 'strong' for a regular flashgun.

Can someone advice please?
Reply With Quote
  #2  
Old 24th August 2018
Ian's Avatar
Ian Ian is offline
Administrator
 
Join Date: Jul 2007
Location: Hemel Hempstead, Hertfordshire, UK
Posts: 11,012
Thanks: 392
Thanked 2,303 Times in 1,163 Posts
Likes: 743
Liked 1,365 Times in 646 Posts
Re: Using hi-power rechargeable AA batteries for flashguns

The 2900mAh rating only references the capacity of the batteries, not the power output. If they are normal NiMH batteries then the chemistry will be the main factor and that means 1.2V nominal with a normal range power demand. I have often used 2800mAh rated batteries and 2900 only means they will, in theory, last a bit longer, though a lot of exaggeration goes on in the battery business

Ian
__________________
Founder and editor of:
Olympus UK E-System User Group (http://e-group.uk.net)
Four Thirds User (http://fourthirds-user.com)
Digital Photography Now (http://dpnow.com)
Olympus camera, lens, and accessory hire (http://e-group.uk.net/hire)

Twitter: www.twitter.com/ian_burley
Flickr: www.flickr.com/photos/dpnow/
Pinterest: www.pinterest.com/ianburley/
NEW: My personal BLOG ianburley.com
Reply With Quote
The Following User Says Thank You to Ian For This Useful Post:
Loup Garou (24th August 2018)
  #3  
Old 24th August 2018
bassman bassman is offline
Full member
 
Join Date: Feb 2008
Location: Norfolk
Posts: 253
Thanks: 69
Thanked 29 Times in 27 Posts
Likes: 120
Liked 22 Times in 16 Posts
Re: Using hi-power rechargeable AA batteries for flashguns

Purchased two packs of four AA 2900mah from 7dayshop, had them few years now.
In my FL-36, FL-50R and FL-600R, used for weddings, model shoots and general use.
Not been able to fault them, they've always provided fast recycling times and decent number of shots per charge.

Mark
Reply With Quote
The Following User Says Thank You to bassman For This Useful Post:
Loup Garou (24th August 2018)
  #4  
Old 24th August 2018
TimP TimP is offline
Full member
 
Join Date: Jan 2017
Location: Deepest Darkest Dorset
Posts: 647
Thanks: 19
Thanked 20 Times in 20 Posts
Likes: 62
Liked 220 Times in 161 Posts
Re: Using hi-power rechargeable AA batteries for flashguns

I’ve been happy with Eneloop Pro’s but the capacity isn’t as great, but they are supplied charged and seem better at holding their charge. I’ve recently found some only 7DayShop rechargeables but they wouldn’t take a charge so the went in the recycle bin I’m afraid. They’d not been used / charged for literally years so I guess it was to be expected. Batteries are a bit like memory cards for me, I tend to buy them on impulse whether I need them or not (generally it’s not but you can never have too many SD cards or AA’s!!)
Reply With Quote
  #5  
Old 24th August 2018
Jim Ford Jim Ford is offline
Full member
 
Join Date: Dec 2007
Location: Watford, Herts..
Posts: 6,374
Thanks: 285
Thanked 468 Times in 402 Posts
Likes: 1,777
Liked 1,050 Times in 688 Posts
Re: Using hi-power rechargeable AA batteries for flashguns

I've found non-rechargeable Lithium Cells the best for flashes. They've got a higher terminal voltage and lower internal resistance than rechargeable Nimh cells so they cycle faster. Also I find the much lower weight a big advantage.

Jim
Reply With Quote
  #6  
Old 24th August 2018
alfbranch's Avatar
alfbranch alfbranch is offline
Full member
 
Join Date: Oct 2012
Location: Whitehaven Cumbria
Posts: 6,180
Thanks: 1,474
Thanked 747 Times in 709 Posts
Likes: 984
Liked 2,180 Times in 794 Posts
Re: Using hi-power rechargeable AA batteries for flashguns

I use enloops and I am very happy with them in my Nissin i40
__________________
OMD E-M1 OMD E-M5II MMF3 12-40 pro 12-50 EZ 14-42 EZ 9-18 f4.0 -5.6 40 -150f4-f5.6 R 60mm f2.8 macro Sigma 105 f2.8 macro Holga 60mm plastic Holga pinhole lens lens and a XZ-1 Olympus - 35 SP Trip 35 Pen EEs OM2sp

I nice view does not mean a good photograph. My FLickr

Reply With Quote
  #7  
Old 25th August 2018
DerekW DerekW is offline
Full member
 
Join Date: Nov 2007
Location: Hampshire
Posts: 2,766
Thanks: 67
Thanked 300 Times in 235 Posts
Likes: 17
Liked 404 Times in 288 Posts
Re: Using hi-power rechargeable AA batteries for flashguns

Another vote for Eneloops, I use them in the FL50, bought the batteries in 2010 and still going strong and holding the charge.
__________________
This space for rent
Reply With Quote
  #8  
Old 25th August 2018
TimP TimP is offline
Full member
 
Join Date: Jan 2017
Location: Deepest Darkest Dorset
Posts: 647
Thanks: 19
Thanked 20 Times in 20 Posts
Likes: 62
Liked 220 Times in 161 Posts
Re: Using hi-power rechargeable AA batteries for flashguns

Ooh, maybe a poll on users of Eneloops!

Now, if I could just figure out how to set up said poll!
Reply With Quote
  #9  
Old 25th August 2018
Ian's Avatar
Ian Ian is offline
Administrator
 
Join Date: Jul 2007
Location: Hemel Hempstead, Hertfordshire, UK
Posts: 11,012
Thanks: 392
Thanked 2,303 Times in 1,163 Posts
Likes: 743
Liked 1,365 Times in 646 Posts
Re: Using hi-power rechargeable AA batteries for flashguns

Eneloop, I believe, is a Sanyo trademark. However this newer NiMH chemistry, which has a lot lower power drain when not in use than conventional NiMH cells, is now widely available from other manufacturers. The easiest way to tell is if the battery pack says charged and ready to use.

Ian
__________________
Founder and editor of:
Olympus UK E-System User Group (http://e-group.uk.net)
Four Thirds User (http://fourthirds-user.com)
Digital Photography Now (http://dpnow.com)
Olympus camera, lens, and accessory hire (http://e-group.uk.net/hire)

Twitter: www.twitter.com/ian_burley
Flickr: www.flickr.com/photos/dpnow/
Pinterest: www.pinterest.com/ianburley/
NEW: My personal BLOG ianburley.com
Reply With Quote
The Following User Says Thank You to Ian For This Useful Post:
OM USer (30th August 2018)
  #10  
Old 25th August 2018
Graham_of_Rainham's Avatar
Graham_of_Rainham Graham_of_Rainham is online now
Administrator
 
Join Date: Nov 2007
Location: Rainham
Posts: 7,554
Thanks: 594
Thanked 889 Times in 684 Posts
Likes: 2,026
Liked 1,355 Times in 796 Posts
Re: Using hi-power rechargeable AA batteries for flashguns

Just brought some from IKEA. Several good reviews, but have yet to test them.
__________________
Graham

We often repeat the mistakes we most enjoy...
Reply With Quote
  #11  
Old 25th August 2018
TimP TimP is offline
Full member
 
Join Date: Jan 2017
Location: Deepest Darkest Dorset
Posts: 647
Thanks: 19
Thanked 20 Times in 20 Posts
Likes: 62
Liked 220 Times in 161 Posts
Re: Using hi-power rechargeable AA batteries for flashguns

Quote:
Originally Posted by Graham_of_Rainham View Post
Just brought some from IKEA. Several good reviews, but have yet to test them.
How easy were they to assemble?

Did you enjoy the meatballs too?
Reply With Quote
The Following Users Liked This Post:
Graham_of_Rainham (25th August 2018), OM USer (30th August 2018)
  #12  
Old 25th August 2018
Graham_of_Rainham's Avatar
Graham_of_Rainham Graham_of_Rainham is online now
Administrator
 
Join Date: Nov 2007
Location: Rainham
Posts: 7,554
Thanks: 594
Thanked 889 Times in 684 Posts
Likes: 2,026
Liked 1,355 Times in 796 Posts
Re: Using hi-power rechargeable AA batteries for flashguns

Quote:
Originally Posted by TimP View Post
How easy were they to assemble?

Did you enjoy the meatballs too?
I went early, they were only serving breakfast...
__________________
Graham

We often repeat the mistakes we most enjoy...
Reply With Quote
The Following User Liked This Post:
TimP (25th August 2018)
  #13  
Old 25th August 2018
Jim Ford Jim Ford is offline
Full member
 
Join Date: Dec 2007
Location: Watford, Herts..
Posts: 6,374
Thanks: 285
Thanked 468 Times in 402 Posts
Likes: 1,777
Liked 1,050 Times in 688 Posts
Re: Using hi-power rechargeable AA batteries for flashguns

Quote:
Originally Posted by Jim Ford View Post
I've found non-rechargeable Lithium Cells the best for flashes. They've got a higher terminal voltage and lower internal resistance than rechargeable Nimh cells so they cycle faster. Also I find the much lower weight a big advantage.
Another advantage of Lithium Cells is that they have a shelf life of many years.

I've also checked the weight. Lithium 15g each; Nimh 28g each. So the Lithium are almost half the weight of Nimh cells. This is significant if you use the flash on the camera hot shoe.

Jim
Reply With Quote
  #14  
Old 25th August 2018
Harold Gough Harold Gough is offline
Full member
 
Join Date: Oct 2014
Location: Reading UK
Posts: 4,536
Thanks: 46
Thanked 621 Times in 585 Posts
Likes: 30
Liked 2,232 Times in 1,223 Posts
Re: Using hi-power rechargeable AA batteries for flashguns

I have been using Enloop or 7DayShop pre-charged equivalents since I bought my Olympus R-series flash guns several years ago The AAs are 2500mAh.

Harold
__________________
The body is willing but the mind is weak.
Reply With Quote
  #15  
Old 25th August 2018
raichea raichea is offline
Full member
 
Join Date: Oct 2011
Location: Hampshire
Posts: 581
Thanks: 78
Thanked 98 Times in 80 Posts
Likes: 90
Liked 96 Times in 62 Posts
Re: Using hi-power rechargeable AA batteries for flashguns

Quote:
Originally Posted by Graham_of_Rainham View Post
Just brought some from IKEA. Several good reviews, but have yet to test them.
Can't remember where I read it - maybe this and releated (https://www.slrlounge.com/panasonic-...they-the-same/) - but they tested Ikea LADDA batteries (their low discharge product) and they performed better than Eneloop.
__________________
Steve
Reply With Quote
Reply

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump

Similar Threads
Thread Thread Starter Forum Replies Last Post
Command Flashguns fotofundi Flash 8 31st August 2018 09:32 AM
For sale Three flashguns + wireless triggers snaarman For sale or wanted small ads 0 10th November 2016 07:11 PM
Flashguns with OM-D query. Footloose1949 Accessory talk 2 24th July 2012 03:34 AM
3rd party flashguns giving you TTL francois Flash 1 10th June 2011 09:53 AM
Using non-Olympus flashguns BobS Olympus E-510 19 14th December 2009 08:08 AM


All times are GMT. The time now is 08:03 PM.


The Write Technology Ltd, 2007-2018, All rights reservedAd Management plugin by RedTyger