The K-BC115 Battery Charger Kit for D-LI68 Lithium-Ion Battery from Pentax is designed to charge the Pentax D-LI168 1000 mAh lithium-ion rechargeable battery, that can then be used in the Pentax Optio S10, S12, and Q digital cameras.
The Pentax K-BC109 Battery Charger Kit for D-LI109 Battery lets you charge the D-LI109 Li-ion battery off the K-BC109 camera so you won't have to tie up the camera when the battery needs recharging.
The is the Rechargeable Lithium-Ion Battery D-Li109 from Pentax for their KR digital SLR camera.
The D-LI108 Rechargeable Lithium-ion Battery is Small and lightweight, Lithium-ion batteries can be charged or discharged at any time without developing memory effects.
Compatible with K-5, K-7, 645D Digital Cameras
Attaching to the mounting thread, the BG-11 grip is designed for the Quattro line. This hand grip style of shooting is comfortable the grip can connect directly to a tripod for ease of use.