CNB-152xs : 12 volt 1800mAh LONG LIFE rechargeable Ni-MH battery pack for Standard, ADI, Heath, Relm, & JRC radios. Extra-long life high-watt battery, approx. 3.25" tall. Replaces original #s RBP-120, CNB-152, CNB-151, CNB-153, CNB242, CNB244A, CNB244B, etc. Fits radios such as Standard C228, C528, C558, C628, HX190, HX240; ADI AT200, AT-201, AT-00, AT-401; JRC JHP-500, JHP-520, etc. It can be re-charged with a custom plug-in Wall Charger (WC-152) OR desktop drop-in fast charge (CSA-181). Fits Amateur / Commercial / Air Band radios. IMPORTANT: Our WC-152 has charging output of 15VDC @ 150mA, center post polarity NEG (-); this is sufficient to charge the CNB-152xs in 16 hours. If your existing wall charger has an output of only 60mA or 70mA, it will not be enough current to charge this battery.