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Solar Battery Pack Charger with Li-Ion Battery USB

Solar Charged Backup Battery for cell phones including iPhones, Android, Samsung, HTC, G2, etc.

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Availability: ✅ Ships Today

Last Updated: 07/31/2025

Tinkersphere

TS2921

$35.90

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A pocket-size solar charger that can serve as a backup power source.

Features

  • easy to install
  • perfect for camping or any place without an electrical outlet
  • ideal for charging your mobile phone, MP3, mini disc, GPS, etc.
  • included plugs:
    • Mini USB
    • Sony Ericsson T28
    • Nokia 6110, 8210
    • Samsung A288, A300

Specifications

  • solar panel : polycrystalline 5.5V/100mA/0.55W
  • Li-ion battery: 3.7V/2000mAh
  • USB charging cable: 5.5V
  • max.output current: 500mA
  • DC output:
    • 5.5V ± 0.5%/500mA/2.75W
    • 7.5V ± 0.5%/350mA/2.63W
    • 9.5V ± 0.5%/300mA/2.85W
  • battery type: Li-ion rechargeable 3.7V/2000mAh
  • current consumption (stand-by): < 150µA
  • charging times:
    • lithium battery:
      • full sunlight conditions: 12h
      • poor sunlight conditions: 20h
      • USB cable: 3 ~ 4h
  • LED indication: charging (red) / discharging (green)
  • dimensions: 4 23/32" x 2 3/4" x 19/32"
  • weight: 100g (3.53 oz) (battery included)
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