Our Design Partner, FMA Direct

Our in-house staff of engineers is constantly at work developing new products, and improving existing designs for the R/C industry.



GT1000DUO Charger


GT1000DUO 2000W Multi-Chemistry Charger

Per Channel Specifications: (except dimensions)

For Battery types: Lithium Polymer HV (1s to 6s balanced, 1s to 2s unbalanced), Lithium Polymer (1s to 6s balanced, 1s to 2s unbalanced) Lithium Ion (1s to 6s balanced, 1s to 2s unbalanced), Lithium Manganese (1s to 6s balanced, 1s to 2s unbalanced), A123 (LiFePO4) (1s to 6s balanced, 1s to 6s unbalanced), NiCd (1s to 19s), NiMH (1s to 19s), Lead Acid batteries (1s-12s Flooded, Gel, AGM, SLA)

Pack capacity: 50 mAh to 360Ah

Input voltage: 10-32VDC, reverse polarity protected

Input current: 1A to 40A, software limited

Power conversion: Synchronous DC/DC converter, 85% to 93% efficiency depending on output current

Output battery charge current: Adjustable range 25mA to 40A, limited by 40A input current*

Output battery discharge current: Internal discharge 25mA to 8A, 50W max, Regenerative discharge 25mA to 40A, 1000W max**

Continuous max output power: 408W @ +12VDC input, 1000W @ +30VDC

Cell balancing: 1s-6s Li or A123 (LiFePO4) balanced charging

Voltage calibration: Cell voltage measurements are factory calibrated to a standard traceable to NIST; calibration is to +/- 6 mV

Current calibration: Charge current is factory calibrated on a 4A standard; calibration is to +/- 1mA

Measurement accuracy:
Voltage resolution: 78uV (16 bit)
Voltage tolerance: +/- 6mV
Charge current: +/- 1%
Capacity added to pack: +/- 1%
Percent capacity (“Fuel”): +/- 5% (with accurate fuel table defined for battery being charged)

Interface: USB 2.0 Full Speed (12Mb/s)

Cooling fans: Single, 13 CFM, 50mm diameter

Heat sink: Internal 120W aluminum, thin finned

Output battery connector: Modified JST XH series, 7 position max; accepts 1s-6s balance plugs on batteries

LCD: 2.6", 128 x 64 pixels graphic LCD with white LED backlight

Size: 10.24 in. (260mm) L x 5.55 in. (141mm) W x 3.08 in. (77mm) H


* Please note, for safety reasons, available charger current may be limited for certain battery types and/or charging modes, e.g., non-balanced charge of Li, more than 6S cell count, etc.

** Please check bullet number 9 in the section titled “Major Features” (Features tab) for a detailed description of Regenerative Discharge