New D-LI122 battery is a replacement rechargeable battery for Pentax VS20 cameras. D-LI122 is rated at 1000mAh and can be charged with either an original Pentax D-BC122 charger or any other D-LI122 battery compatible charger. Our D-LI122 is guaranteed to meet or exceed OEM specifications. The battery is fully compatible with the following Pentax camera models: Pentax Optio VS20 and more models. Best replacement for the following OEM battery part numbers: Pentax D-LI122, DLI122. *Chemistry: Lithium-Ion *Output Volts: 3.7v *AmpHours: 1000 mAh