P/N: 313911878250, 31391187825037
Replacement: YQ20773A, 313922860010
Originally supplied with models: 37, FWC50037, FWC500C37, FWC500C399, FWC550, FWC55037, FWC550370, fwc5503701, FWC550C37, FWC550C99
Battery Required : AA Battery 2 pack
Dimensions: 2.00 x 6.00 x 1.00 (W x L x D, inches)
