EN-EL18a?...

Hello everyone, can you recommend the best place where to get EN-EL18a for Nikon D4s?
I've done some research and looks like even third party batteries are quite expensive: 150+. From my prior experience - not worth the money as they die off really quickly (my past Chinese EN-EL3a died within a year while original Nikon was working without any issues).
Ordering online original EN-EL18a comes to almost 300 SGD with shipping. Any better options? Or are you using any third party batteries which are actually good?
Advice is really appreciated

cloudbp said:

you can use the EL-EL18b too, its the same for D4, D4s, D5

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Yes but very pricey as well from what I can see online. Or maybe you know where they are priced a bit more reasonably?

cloudbp said:

locally is reasonably priced, do look out for them

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Found one in Cathay photo for 166. Had to get one anyway.
Just to update the thread in case somebody else is looking: also managed to source one on eBay for around 100 SGD including shipping from USA, new, 2500 mhA.