[UncleVanya]

I see that the grip can take one Lithium battery. I see it can take 6AA's. Both at once or either? Also does the Lithium battery exceed the performance of the AA's if you use rechargeable Ni-MH batteries?

[Adam]

Either or, as each requires a dedicated tray. Both trays are included with the grip. Lithium > Li-ion > Rechargeable AA's as far as battery life goes.

[Scorpio71GR]

On my K3 the Pentax battery gives more life than my rechargeable ones. I only use the rechargeable batteries as a back up. I find the double A battery tray for the grip to be to big and bulky to carry in my bag. I opted to pick up a couple of less expensive Wasbi batteries to carry instead. For rechargeable batteries I use Envelopes. The grip comes with a tray for the lithium battery and one for double A's and you can only use one at a time.

Michael

[UncleVanya]

Either or, as each requires a dedicated tray. Both trays are included with the grip. Lithium > Li-ion > Rechargeable AA's as far as battery life goes.

So Lithium AA's > Lithium-Ion Rechargeables > Ni-MH AA's

Got it.

---------- Post added 07-09-15 at 10:54 PM ----------

On my K3 the Pentax battery gives more life than my rechargeable ones. I only use the rechargeable batteries as a back up. I find the double A battery tray for the grip to be to big and bulky to carry in my bag. I opted to pick up a couple of less expensive Wasbi batteries to carry instead. For rechargeable batteries I use Envelopes. The grip comes with a tray for the lithium battery and one for double A's and you can only use one at a time.

Michael

Makes sense. Thanks.

[theoicarry]

I used the AA when I first got my K3 and grip. It could be great if you are out of power and can only get AA's I found the additional weight kind of bother sum especially if I put my 150-500 lens on as well. Other than that it can come in handy.