Lenmar Replacement Battery for Clarity C4220 C4230 C4230HS RadioShack 43-270 Replaces OEM RadioShack CS90854 Fits: Clarity C4220, C4230, C4230HS, RadioShack 43-270 Replaces: RadioShack CS90854 3.7V / 800mAh Nickel-Metal Hydride 1 Year Warranty Fits: Clarity C4220, C4230, C4230HS Replaces: Gold Peak GP80AAAH3BXZ, 80AAAH3BXZ, RadioShack CS90854 3.7V / 800mAh Nickel-Metal Hydride 2 Year Warranty