FNB-27: 12volt 800mAh rechargeable Ni-Cd battery pack for Yaesu FT-530, FT-26, FT-76, FT-415, FT-416, FT-815, FT-816 radios (all worldwide versions). Replaces original Yaesu FNB-27. It provides high-watt Tx power. Battery pack is 3" tall. It can be recharged with a plug-in overnight Wall Charger (original OEM charger, or our WC-12Y), or with desktop rapid chargers, such as our EMS-30Y, or the original Yaesu NC-42.