Wasabi Power Battery Charger for Pentax D-LI50 and Pentax K10, K10D, K20D Fully charges the battery in approximately 60-90 minutes. Quick charge with automatic constant current control prevents battery from overcharging, short circuit, and electronic shock. Dual voltage unit (110- 240V) can be used worldwide! Includes European plug adapter. CE Safety Certification. UL Listed. Meets (or exceeds) OEM standards. 3-Year Warranty.