Amazon.com: Synergy Digital Remote Control Battery, Compatible with Futaba HT5F1800B Remote Control, (Ni-MH, 6V, 2000mAh) Ultra High Capacity, Replacement for Futaba FUTM1484 Battery : Toys & Games
FUTABA HT5F1800B 6.0V 1800mAh Ni-MH Battery 4PX 4PKS 4PLS 14SG 16SZ 10J 8J 6J - The World Models
Amazon.com: Henhaoro FUTM1484 HT5F1800B Battery for FUTABA Transmitter 14SG 4PKS 4PL 6J 8J 10J : Toys & Games
Futaba HBC-3B Wall Charger for HT5F1800B Battery 01102208-1 B&H