Pentax 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

Battery grip for PENTAX K-3 Mark III] Firmer hold of the camera during vertical-posirion shooting is achieved, and by inserting batteries into both the camera and battery grip, the number of recordable images is greatly increased. [Battery] Rechargeable lithium-ion battery D-LI90 * Battery are sold separately. [Battery charging] The battery inside the battery grip can be charged with the battery grip attached to the camera. In that case, it will be charged from the battery set for priority use in the camera setting menu "Battery grip setting". The self-timer lamp blinks twice in a row about every 5 seconds when the battery on the camera side is chared, and three times in a row when the battery in battery grip is charged. [Battery] The battery can be used by inserting it into either the camera or the battery grip. [Dust-proof / weather resistant construction] Dust-proof / weather resistant construction is applied to the button part, body joint part, opening / closing part, etc. [Dimensions / Weight] Approx. 135 x 48 x 74.5 (mm) / Approx. 275g [What's in the box] Battery holder, contact pin cap