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.



Cellpro Multi4 Charger


Cellpro Multi4 4A Multi-Chemistry Charger

For Battery types: Lithium Polymer/Lithium Ion/Lithium Manganese (1s to 4s balanced and 2s unbalanced), A123 (LiFePO4) (1s to 4s balanced and 1s to 5s unbalanced), NiCd/NiMH (1s to 12s unbalanced), Pb (6v and 12v)

Pack capacity: 5 mAh to 32Ah (charge time limited to max 8 hours)

Input voltage: 10-16VDC, reverse polarity protected

Input current: 1A to 5A, software limited, user adjustable using PC software

Power conversion: DC/DC converter, 125 kHz, 90% efficiency

Nominal Output Voltage: 1.58, 3.65, 4.10, and 4.20 volts per cell (user adjustable using CCS); 19V maximum

Output battery charge current: Adjustable range 5mA to 4A, limited by 5A input current*

Continuous max output power: 58W @ +12VDC input

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: 0.1mV
Voltage tolerance: +/- 6mV
Charge current: +/- 1%
Capacity added to pack: +/- 1%
Percent capacity (“Fuel”): +/- 20%

Serial data output: 19.2kbps, 8 bits, 1 start bit, 1 stop bit, no parity

Data integrity: Checksum, CRC checking

Output battery connector: “Cellpro” compatible, JST PA series, 5 position

LCD: 2 line, 16 character, light grey/blue backlit


* Please note, available charger current may be limited for certain battery types depending on the number of cells charging in series and also by the ambient and internal temperature of the charger during operation