Power System Test
Power System Test
Date Completed: ______
Performed by: ______
Specifications Tested
Tested Specification / Description / Critical Value / Nominal ValueS6 / Battery must be able to be charged with a range of voltages / 12 to 24 V / 6 to 24 V
S7 / Battery must output a voltage of 12V to power the pump / 11 to 13V / 12V
S8 / Battery must power the unit for at least 1 hour / >1 hour / >2 hours
S15 / Battery must be able to operate in all temperature situations / <0° C / <-20° C
Revision History
Revision / Description / Date1 / Document Created / 2/2/13
Equipment
____ Battery and AC to DC converter - Used in testing
____ Air pump - Provides load to battery
____ Temperature chamber - Tests battery at low temperatures
____ Multimeter with current and voltage readings - Record actual values
Sections
● Part I Battery life
● Part II Battery input/output voltages
Power System Test
Date Completed: ______
Performed by: ______
Part I Battery Life
____ 1. Fully charge battery pack and record room temperature
____ 2. Place multimeter in current measuring mode
____ 3. Connect multimeter, 12V battery, and pump in series
____ 4. Record current draw from pump
____ 5. Start timer and run pump
____ 6. When pump shuts off, stop timer and record time
____ 7. Fully recharge battery pack and record cold chamber temperature
____ 9. Connect multimeter, 12V battery, and pump in series in cold chamber
____ 10. Record current draw from pump
____ 11. Start timer and run pump
____ 12. When pump shuts off, stop timer and record time
Temperature (°C) / Current Draw (A) / Battery Life (hrs)Room Temp.
Cold Temp.
Power System Test
Date Completed: ______
Performed by: ______
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