[. . . ] [. . . ] IMPORTANT: Be sure replacement battery is the same size, shape, voltage and polarity as the one you are replacing. Charge for 16 hours before first use. MODELS Philips: CD4401B/37, CD4402B/37, CD4450B/37, CD4451B/37, CD4452B/37, CD6451B/37, CD6452B/37, ID9370B/37, ID9371B/37, SE7450B/37, SE7451B/37, SE7452B/37, XL3401B/37, XL3402B/37, DECT2211G/37, DECT2250G/37, DECT2251G/37, DECT2252G/37, [. . . ] [. . . ]