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Batteries will be Energizer Ultimate Lithium AA cells arranged in groups to provide higher voltages. Voltages required are expected to be: 12v, 5, 3.3v

Calculations

Load: 2A for 10s every 15 minutes Load norm: 100mA continuous

  • Target battery drain = 250mA
  • Target battery low temp = -20C
  • Battery capacity @ 250mA @ -20C = 2800mAh

At -20c, each string will have AT LEAST 2 A-H of capacity, giving a maximal number of strings as 5 (or, 50 batteries).

hardware/power/brainstorm.txt · Last modified: 2018/07/29 17:58 (external edit)
 
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