This manual provides usage instructions for Futaba nickel-cadmium battery chargers, specifically the NT-8C(B), NT-1, NR-4G, and FBC-I/FBC-II models. It details the correct connection methods for charging batteries used in various transmitters (such as the FP-3E, FP-4E, FP-3, FP-4, FP-2D, FP-3D, and FP-4D) and receivers/servos (NR-4C, NR-4G).
The document outlines specific charging times and procedures for different battery voltages (4.8V and 12V) and capacities (250mAH and 500mAH). It emphasizes the importance of correct polarity and socket selection to prevent over-charging and damage to the batteries.
| Charging Time (Normal Use) | 12-15 hours |
|---|---|
| Charging Time (Extended Storage) | 20 hours |
| Charging Time (NR-4G) | 7-8 hours |
| Battery Capacity (Transmitter) | 500mAH |
| Battery Capacity (Receiver/Servo) | 500mAH |
| Battery Capacity (Small Receiver/Servo) | 250mAH |
| Usage Cycles | 8-10 times |
The charging time is 12-15 hours before use.
You should charge it for about 20 hours before using.
Charge the NR-4G battery for 7-8 hours.
The receiver use nickel-cadmium battery will be over-charged and damaged.