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Old 23rd June 2019
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Wreckdiver Wreckdiver is offline
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Re: AC-5 power supply for HLD-9 grip

The Olympus AC-5 adaptor supplies 9V at 5A, that's 45W, I hardly think that the OM-D E-M1 Mark II uses anywhere near that power, even at maximum load. I don't have a Mk.II camera but looking at photos of the AC-5 it appears to have a standard DC power plug fitted, with either 2.1mm or 2.5mm centre pin - they are standard connectors on PSUs. A 5 minute search of some of the big electronic component suppliers produced the list below of power supplies that should be suitable. If you really insist on at least 5A then there is a 6A one in the list. If the connector is not the right type for the camera that it can be simply cut off and the correct one fitted, spare plugs cost 50p ish. I haven't looked on Ebay or Amazon but I would expect to find dozens of PSUs there that would be suitable. The biggest problem to date has been the connector to the camera (grip), the OM-D E-M1 Mark I had a proprietary one that made things difficult but with the Mk.II life's now simple.

9V power supplies:
4.45A -
4.5A -
4.5A -
6A -
4A -
4A -
4A -

Edit: A bit more digging and I found that the connector plug is a standard 2.5mm one.

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MikeOxon (23rd June 2019)