Kastar CR-V3 Battery 1-Pack Replacement for Pentax Optio 540, Optio S30, Optio S40, Optio S60, K100D Digital SLR, K110D Digital SLR Camera, Ricoh Caplio RR330 Camera, Nikon CoolPix 2100 Camera - Walmart.com
Pentax K100D Review: Digital Photography Review
Amazon.com : PENTAX Battery Grip D-BG8 Black for Pentax K-3 III Flagship DSLR Dust-Proof and Weather Resistant Construction with Capacity to Hold Additional D-LI90 Battery (37048) : Electronics
Amazon.com: Kastar 1-Pack CR-V3 Battery and LTD2 USB Charger Replacement for Pentax Optio 43WR, Optio 540, Optio S30, Optio S40, Optio S60, K100D Digital SLR, K110D Digital SLR, Ricoh Caplio RR330 :
It won't turn on | Taken with PENTAX K100D Series Digital SLR | Flickr
Pentax K100D Digital Camera Accessory Kit includes: SB201 Battery, KSD48GB Memory Card, ZELCKSG Care & Cleaning - Walmart.com
Pentax K100D Super - Pentax K-mount DSLRs - Pentax Camera Reviews and Specifications
Pentax K100D Battery
Pentax K100D Super Battery Replacement (4 x AA Rechargeable)