K-30 Battery

**UncleVanya** · 07-28-2015, 06:35 PM

Originally posted by Professor Batty

I've had two Wasabi go 'dead' after a couple of years but that was because I wasn't using my K30 at all for about six months. You've got to 'top off' Lithiums about one a month or they will go bad and not take a charge. I've had good luck with them otherwise (on 4 cameras)

My information is the opposite. The best way to store Lithium Ion batteries is 40% of capacity.
BU-702: How to Store Batteries – Battery University

Professor Batty · 07-29-2015, 06:25 AM

Originally posted by UncleVanya

My information is the opposite. The best way to store Lithium Ion batteries is 40% of capacity.
BU-702: How to Store Batteries – Battery University

How would you determine 40%?

link81 · 07-29-2015, 06:26 AM

Originally posted by UncleVanya

My information is the opposite. The best way to store Lithium Ion batteries is 40% of capacity.
BU-702: How to Store Batteries – Battery University

i've heard exactly the same thing. Although, in practice, i store them full, and rotate them through. so the last charged one goes in the bottom of the pocket, the bottom one moves up a slot, and the top one goes in the camera. (i have a pocket in my bag that holds 2 batteries) Havn't had a problem yet, and it seems that i go through them fast enough that they're fully charged whenever i need them. Longest they sit is maybe a couple of months between charges.

photolady95 · 07-29-2015, 06:32 AM

Originally posted by UncleVanya

That sucks. Is it swollen

It came with the camera I bought from a member here. I didn't think to check if it's swollen or not. Will do that today, could be, but other than it getting stuck, it seems to work fine. I only use it in an emergency.

Professor Batty · 07-29-2015, 06:52 AM

More on battery storage:

"If the battery is going to be stored for several months it's a good idea to take it out and recharge it after a few months. Better yet would be to actually use the battery every few months and then leave it partially or fully charged."
Li-ion Battery FAQ

**UncleVanya** · 07-29-2015, 07:59 AM

Originally posted by Professor Batty

How would you determine 40%?

The article actually talks about that. I'm not honestly that sure. For me I would shoot for about 50% knowing roughtly the life I get I would shoot half that many shots and then measure voltage and hope for the best.

---------- Post added 07-29-15 at 11:01 AM ----------

Originally posted by link81

i've heard exactly the same thing. Although, in practice, i store them full, and rotate them through. so the last charged one goes in the bottom of the pocket, the bottom one moves up a slot, and the top one goes in the camera. (i have a pocket in my bag that holds 2 batteries) Havn't had a problem yet, and it seems that i go through them fast enough that they're fully charged whenever i need them. Longest they sit is maybe a couple of months between charges.

For my active camera's that's what I do also. But now that my K50 is moving to backup role I have to reconsider. My rotation was more like a couple of weeks on my K50 prior to the acquisition of the K3 so I never worried about the full battery status.

---------- Post added 07-29-15 at 11:02 AM ----------

Originally posted by Professor Batty

More on battery storage:

"If the battery is going to be stored for several months it's a good idea to take it out and recharge it after a few months. Better yet would be to actually use the battery every few months and then leave it partially or fully charged."
Li-ion Battery FAQ

Fully Charged is OK - but not preferred. However it is better than discharged. Partially charged must be over a certain voltage level to help with the problem. Read the article I posted - it's pretty universal from what I have seen. The details in that article were what made me select it.

mellowyeahlow · 07-29-2015, 09:25 AM

hmmm... seems like you want to keep your battery only 50%-75% charge? just averaging out what everyone is saying.

but also once in a while draining and fully charging the battery.

Interesting..... maybe i'll give wasabi a try.

**UncleVanya** · 07-29-2015, 10:24 AM

Originally posted by mellowyeahlow

hmmm... seems like you want to keep your battery only 50%-75% charge? just averaging out what everyone is saying.

but also once in a while draining and fully charging the battery.

Interesting..... maybe i'll give wasabi a try.

Drain and fully charge is more of a NiCad requirement than NiMh or LiIon.

Pepe Le Pew · 08-07-2015, 07:24 PM

I use Duracell rechargeable batteries.....

Beats the energizer's hands down

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07-28-2015, 06:35 PM	#16
UncleVanya Loyal Site Supporter Join Date: Jul 2014 Photos: Gallery \| Albums Posts: 28,446	Originally posted by Professor Batty I've had two Wasabi go 'dead' after a couple of years but that was because I wasn't using my K30 at all for about six months. You've got to 'top off' Lithiums about one a month or they will go bad and not take a charge. I've had good luck with them otherwise (on 4 cameras) My information is the opposite. The best way to store Lithium Ion batteries is 40% of capacity. BU-702: How to Store Batteries – Battery University

07-29-2015, 06:25 AM	#17
Professor Batty Senior Member Join Date: Aug 2012 Posts: 118	Originally posted by UncleVanya My information is the opposite. The best way to store Lithium Ion batteries is 40% of capacity. BU-702: How to Store Batteries – Battery University How would you determine 40%?

07-29-2015, 06:26 AM	#18
link81 Veteran Member Join Date: Jan 2011 Location: 12822 Photos: Albums Posts: 459	Originally posted by UncleVanya My information is the opposite. The best way to store Lithium Ion batteries is 40% of capacity. BU-702: How to Store Batteries – Battery University i've heard exactly the same thing. Although, in practice, i store them full, and rotate them through. so the last charged one goes in the bottom of the pocket, the bottom one moves up a slot, and the top one goes in the camera. (i have a pocket in my bag that holds 2 batteries) Havn't had a problem yet, and it seems that i go through them fast enough that they're fully charged whenever i need them. Longest they sit is maybe a couple of months between charges.

07-29-2015, 06:32 AM	#19
photolady95 Otis Memorial Pentaxian Join Date: May 2009 Location: Cruising the forum watching his back Photos: Gallery \| Albums Posts: 12,712	Originally posted by UncleVanya That sucks. Is it swollen It came with the camera I bought from a member here. I didn't think to check if it's swollen or not. Will do that today, could be, but other than it getting stuck, it seems to work fine. I only use it in an emergency.

07-29-2015, 06:52 AM	#20
Professor Batty Senior Member Join Date: Aug 2012 Posts: 118	More on battery storage: "If the battery is going to be stored for several months it's a good idea to take it out and recharge it after a few months. Better yet would be to actually use the battery every few months and then leave it partially or fully charged." Li-ion Battery FAQ

07-29-2015, 07:59 AM	#21
UncleVanya Loyal Site Supporter Join Date: Jul 2014 Photos: Gallery \| Albums Posts: 28,446	Originally posted by Professor Batty How would you determine 40%? The article actually talks about that. I'm not honestly that sure. For me I would shoot for about 50% knowing roughtly the life I get I would shoot half that many shots and then measure voltage and hope for the best. ---------- Post added 07-29-15 at 11:01 AM ---------- Originally posted by link81 i've heard exactly the same thing. Although, in practice, i store them full, and rotate them through. so the last charged one goes in the bottom of the pocket, the bottom one moves up a slot, and the top one goes in the camera. (i have a pocket in my bag that holds 2 batteries) Havn't had a problem yet, and it seems that i go through them fast enough that they're fully charged whenever i need them. Longest they sit is maybe a couple of months between charges. For my active camera's that's what I do also. But now that my K50 is moving to backup role I have to reconsider. My rotation was more like a couple of weeks on my K50 prior to the acquisition of the K3 so I never worried about the full battery status. ---------- Post added 07-29-15 at 11:02 AM ---------- Originally posted by Professor Batty More on battery storage: "If the battery is going to be stored for several months it's a good idea to take it out and recharge it after a few months. Better yet would be to actually use the battery every few months and then leave it partially or fully charged." Li-ion Battery FAQ Fully Charged is OK - but not preferred. However it is better than discharged. Partially charged must be over a certain voltage level to help with the problem. Read the article I posted - it's pretty universal from what I have seen. The details in that article were what made me select it.

07-29-2015, 09:25 AM	#22
mellowyeahlow Forum Member Join Date: Oct 2013 Posts: 79 Original Poster	hmmm... seems like you want to keep your battery only 50%-75% charge? just averaging out what everyone is saying. but also once in a while draining and fully charging the battery. Interesting..... maybe i'll give wasabi a try.

07-29-2015, 10:24 AM	#23
UncleVanya Loyal Site Supporter Join Date: Jul 2014 Photos: Gallery \| Albums Posts: 28,446	Originally posted by mellowyeahlow hmmm... seems like you want to keep your battery only 50%-75% charge? just averaging out what everyone is saying. but also once in a while draining and fully charging the battery. Interesting..... maybe i'll give wasabi a try. Drain and fully charge is more of a NiCad requirement than NiMh or LiIon.

08-07-2015, 07:24 PM	#24
Pepe Le Pew Veteran Member Join Date: Jan 2013 Photos: Albums Posts: 591	I use Duracell rechargeable batteries..... Beats the energizer's hands down