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Generic Portable Power Bank


Original, "Branded" Device

P1000739rcs.JPG
P1000740rcs.JPG

P1000741rcs.JPG
P1000742crs.JPG

Current Loading Curve
(cf. those for USB Power Supplies etc.)

OptimumPowerbank287363.jpg

Slope resistance: 0.29 Ω1, Vmax: 4.55 V2, Ibrownout: ~0.61 A3

Re-packaged (battery from) Original Device

P1010724cs.JPG

P1010725rcs.JPG
P1010726rcs.JPG

Current Loading Curve
(cf. those for USB Power Supplies etc.)

OptimumPowerbank287363_RP.jpg

Slope resistance: 0.32 Ω4, Vmax: 4.68 V2, Ibrownout: ~1.05 A3

Similar, "Unbranded" Device

P1010592rcs.JPG

P1010596rcs.JPG

Current Loading Curve
(cf. those for USB Power Supplies etc.)

GenericPowerBank.jpg

Slope resistance: 0.31 Ω5, Vmax: 4.8 V2, Ibrownout: ~1.43 A3

Similar, "Juucee" Device

P1010931rcs.JPG

P1010933rcs.JPG

P1010932rcs.JPG

P1010934rcs.JPG

Current Loading Curve
(cf. those for USB Power Supplies etc.)

GenericJuuceePowerBank.jpg

Slope resistance: 0.86 Ω4, Vmax: 4.3 V6, Ibrownout: ~0.55 A3

Similar, T.J. Morris model 10203

P1020111rcs.JPG
P1020113rcs.JPG

P1020114rcs.JPG

Current Loading Curve
(cf. those for USB Power Supplies etc.)

TJMorris10203PowerBank.jpg

Slope resistance: 0.31 Ω7, Vmax: 4.8 V8, Ibrownout: ~1.6 A3

Summary of Power Bank Capacities and Nominal Discharge Times

PowerBankData20160402.png


  1. Between 4th. & 12th. data points (1)

  2. Imax 800mA (2 3 4)

  3. Vbrownout 4.6 V (5 6 7 8 9)

  4. Between 5th. & 8th. data points (10 11)

  5. Between 4th. & 8th. data points (12)

  6. Imax 850mA (13)

  7. Between 6th. & 8th. data points (14)

  8. Imax 1000mA (15)


2018-06-16 20:23