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Astro 109 Charger
The Astro 109 Lithium is specially designed to charge and discharge Lithium Polymer battery packs. This charger can handle any pack containing one cell up to nine cells (4.2 volts to 37.2 volts). Cell sizes can range from 140 mah to 8000 mah. Charge rate is 50 ma to 8 amps.
The Model 109 Lithium charger uses a proprietary 8-bit microprocessor to perform all of the necessary mathematical computations required to insure foolproof charging and discharging Lithium Polymer battery packs. A two line digital display indicates the status of the charging sequence and shows you the charge current, the number of cells in the battery pack, the battery voltage, the duration of the charge, and the actual number of milliamp hours of charge put into the battery pack. A built in voltage converter boosts the input from 12 volts to 40 volts so that battery packs containing one to nine cells can be charged. This charger is designed to be powered from a 12 volt regulated power supply or from a 12 volt automobile battery. Never use an automobile battery charger as a power source, for it could damage your new Model 109 Lithium Charger.
There are two power cords on the charger/discharger. The four foot long cord with the alligator clips is the input cord and should be connected to the 12 volt power source. The short cord is the output cord with an Ultra Deans connector. Connect the output cord to the Lithium Polymer battery being charged or discharged. The charger has a current adjust knob on the front panel. Charging current can then be adjusted between fifty milliamps and eight amps. Discharging current is electronically limited to 1.25 amps.
| Cell Types |
Lithium Polymer |
| Minimum Cells |
One cell |
| Maximum Cells |
Nine cells |
| Maximum Charge rate |
8 amps |
| Minimum Charge rate |
50 ma |
| Charge Time cut off |
1 hours |
| Discharge Rate |
1.25 amps |
| Discharge cut off |
3 volts per cell |
| Current Display |
50 ma to 8 amps |
| Voltage Display |
0 volt to 40 volts |
| Charge time Display |
hrs, min and seconds |
| Milliamp hour Display |
0 to 9.999 milliamp hours |
| Supply Voltage |
12 to 15 volts |
| Supply Current |
0.1 to 12 amps |
Pacific Models Will Not Be Held Responsible For Any Specification or
Performance Claims As They Are Those Of The Manufacturer
| This product was added to our catalog on Monday 19 February, 2007. |
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