4H1650 (replaces 4H1500) : 4.8 volt 1650mAh rechargeable NiMH BP-7x 8VDC Cig plug at one

8VDC Cig plug at one end

Spirit series

Icom IC-F21BR

Some disassembly/re-assembly & soldering is required

4H1650 (replaces 4H1500) : 4.8 volt 1650mAh rechargeable NiMH BP-7x 8VDC Cig plug at one4H1650 : replaces JR # 4H1500. Specs: 4. 8volt 1650mAh rechargeable Ni MH battery for JR PROPO receivers. Includes JR plug for connection to receiver or switch harness, and a second Charging Plug (white base) to attach to your JR charger. This charging Plug is linked to a thermal protector inside the battery pack, to prevent overcharging. This1650mAh battery provides about 10% 11% more operating time than the original battery. These custom battery