| Joined: | Mon Apr 2nd, 2012 |
| Location: | South Lakeland, UK |
| Posts: | 4066 |
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The cells from the original Nikon EN-EL4 battery are 18.4mm Dia. and 65mm long depending where you measure them.
In general working terms I would call them 18650 cells.
The cells which were in my D1 EN-4 battery pack which I fitted at least 8 years ago measure 17.8mm Dia. and are 65mm long. I checked the Voltage both packs I have and they were 7.8 Volts and 7.3 Volts respectively. Given it's at least a year since I charged them and they have sat unused in my cabinet they must still be in good condition.
The EN-EL4 pack split quite easily but the cells were stuck in the top half of the housing with very sticky double sided tape and were quite tough to remove without damaging the connections or the small PCB.
I plan to install the Samsung 18650 cells from my EN-4 pack into the EN-EL4 case.
I am expecting it to be a tricky operation because the solder tags on the Samsung cells have been already clipped to fit the EN-4 housing but I have a large hammer and crowbar so I can make them whatever I wish!
I have only nicked myself once with my Stanley knife so far, so it's going well!!!
Sorry about the image, I thought the iPhone would have made a better attempt.
Attachment: Nikon battery cells.jpg (Downloaded 41 times)
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Robert.