FNB-72xx : 9.6 volt 2700mAh ultra-long-life rechargeable NiMH battery pack for the Yaesu FT-817. Replaces FNB-72, FNB-85. Provides full high-watt power. Re-charges inside radio with NC-72BA, E-DC-5BA, or SDD-13, PA-48. Re-charges outside radio with WC-72 wall charger, or with CA-72 adapter & Smart Charger). These are MADE IN USA by Batteries America.