STK"s Panasonic CGA-D54 Battery Pack is made with # 1 Japanese cells * 100% OEM Compatible - Complies with or exceeds Panasonic OEM CGA-D54 battery specs * Guaranteed to operate with your Panasonic CGA-D54 or CGA-D54S Camcorder * CE Safety Certification * SterlingTek"s Panasonic CGA-D54 battery has a 1 year Warrantee.