What Battery works with Spotmatic SP?

Rbonn · 02-25-2022, 05:53 PM

I have a Spotmatic SP that I'd like to put to work. I've only had it a few months and I"m wondering what battery will power the meter (assuming it works lol). Any help is much appreciated, including where I can source the battery I need.

Thanks

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MarkJerling · 02-25-2022, 06:02 PM

Have a look at this thread: Asahi spotmatic sp battery recommendation - PentaxForums.com

**jumbleview** · 02-25-2022, 06:05 PM

Renata 394 works for me. It should be with plastic ring. I bough mine in Battery Plus store: Store Locator Battery Place Near Me | Batteries Plus Bulbs
If you have one local nearby you may give them a call. Otherwise you can order online.

**Alex645** · 02-25-2022, 08:23 PM

I would recommend the Energizer 387S 1.55V battery.
amazon.com: Energizer 387S Low-Drain 1.55V Silver-Oxide Button Cell Battery : Health & Household?tag=pentaxforums-20&

disconnekt · 02-26-2022, 12:31 AM

A 387S battery will work fine

Kobayashi.K · 02-26-2022, 07:28 AM

Additionally to the link MarkJerling has provided (#2), there is also a nice article from FozzFoster about the bridge circuit, and why you can use 1.5V batteries.

Pentax Spotmatic: What is the Bridge Circuit? - Articles and Tips | PentaxForums.com

stevebrot · 02-26-2022, 04:22 PM

Originally posted by jumbleview

Renata 394 works for me. It should be with plastic ring. I bough mine in Battery Plus store: Store Locator Battery Place Near Me | Batteries Plus Bulbs
If you have one local nearby you may give them a call. Otherwise you can order online.

That would be a Renata 387s.

Steve

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02-25-2022, 06:02 PM	#2
MarkJerling Moderator Site Supporter Join Date: May 2012 Location: Wairarapa, New Zealand Photos: Gallery \| Albums Posts: 20,402	Have a look at this thread: Asahi spotmatic sp battery recommendation - PentaxForums.com

02-25-2022, 06:05 PM	#3
jumbleview Site Supporter Join Date: May 2012 Location: Concord, CA Posts: 1,067	Renata 394 works for me. It should be with plastic ring. I bough mine in Battery Plus store: Store Locator Battery Place Near Me \| Batteries Plus Bulbs If you have one local nearby you may give them a call. Otherwise you can order online.

02-25-2022, 08:23 PM	#4
Alex645 Site Supporter Join Date: May 2015 Location: Kaneohe, HI Photos: Albums Posts: 3,526	I would recommend the Energizer 387S 1.55V battery. amazon.com: Energizer 387S Low-Drain 1.55V Silver-Oxide Button Cell Battery : Health & Household?tag=pentaxforums-20&

02-26-2022, 12:31 AM	#5
disconnekt Pentaxian Join Date: Oct 2011 Location: SoCal/I.E. Photos: Albums Posts: 1,699	A 387S battery will work fine

02-26-2022, 07:28 AM	#6
Kobayashi.K Veteran Member Join Date: Mar 2013 Photos: Albums Posts: 716	Additionally to the link MarkJerling has provided (#2), there is also a nice article from FozzFoster about the bridge circuit, and why you can use 1.5V batteries. Pentax Spotmatic: What is the Bridge Circuit? - Articles and Tips \| PentaxForums.com

02-26-2022, 04:22 PM	#7
stevebrot Otis Memorial Pentaxian Join Date: Mar 2007 Location: Vancouver (USA) Photos: Gallery \| Albums Posts: 42,007	Originally posted by jumbleview Renata 394 works for me. It should be with plastic ring. I bough mine in Battery Plus store: Store Locator Battery Place Near Me \| Batteries Plus Bulbs If you have one local nearby you may give them a call. Otherwise you can order online. That would be a Renata 387s. Steve

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