Flip 20 recharger
Frequently Asked Questions Frequently Asked Questions

Flip 20 recharger


Double the power for longer excursions. Designed to give multiple charges on small devices and quickly charge up from USB or sun.

200% Backup power for your phone
Small and portable, 5200mAh designed to give two full phone charges.
Solar Ready
Charge up on the go from Goal Zero's line of portable solar panels
No Cable Needed
Flip USB for tangle-free charging from any USB port in 4 hours. Micro-USB cable included.
Pass-through Charging
Charge the Flip and a phone all at once.

SKU: 21907 Category:
  • Recharge by: USB & Solar
  • Power Output: USB
  • Ideal for: Phone, GPS, Headlamp, Fitness Trackers
  • Battery Capacity: 18.7Wh, 5200mAh (3.6V)
  • Weight: 4.6 oz (130 g)
  • Chainable: No

There are 2 ways to charge your Flip 10 Recharger:

  • The Sun: The Flip 20 can be charged by connecting a compatible solar panel. The Nomad 7 Solar Panel recharges the Flip 20 in 5-10 hours.
  • USB Port: The Flip 20 can also be charged by being plugged into a USB power source.

Charging From:Switch 8 Switch 10Flip 10Guide 10 PlusVenture 30Sherpa 50Sherpa 100
USB4 Hours2.5 Hours6-10 Hours5 HoursN/AN/A
WallN/AN/AN/AN/A3 Hours3 Hours
CarN/AN/AN/AN/A3 Hours4 Hours
Nomad 7 Solar Panel4-8 Hours2.5-5 Hours3-6 Hours8-16 HoursNot RecommendedNot Recommended
Nomad 13 Solar Panel4 Hours2.5 Hours2.5-5 Hours6-12 Hours8-16 Hours15-30 Hours
Nomad 20 Solar Panel4 Hours2.5 Hours2.5-5 Hours5-6 Hours6-12 Hours10-20 Hours
Boulder 30 Solar PanelNot CompatibleNot CompatibleNot CompatibleNot Compatible4-8 Hours7-14 Hours
Charging From:Yeti 150Yeti 400Yeti 1250
Wall6 Hours5 Hours16-20 Hours
Car8 Hours13 Hours40+ Hours
Nomad 7 Solar PanelNot RecommendedNot RecommendedNot Recommended
Nomad 13 Solar Panel26-52 HoursNot RecommendedNot Recommended
Nomad 20 Solar Panel17-34 Hours40-80 Hours125-250 Hours
Boulder 30 Solar Panel11-22 Hours26-52 Hours80-160 Hours

USB & Micro USB

The USB port best charges all your smaller USB powered devices. USB flip tip for charging in. USB output (with included micro USB cable) for charging out.





Flip 20 is designed to give up to 2 charges on most phones and multiple charges on other small USB-powered devices like headlamps and POV cameras.

How long will it take to charge your device from Goal Zero Power Packs?
It takes the same amount of time to charge your device from a Goal Zero power pack as it does from the wall.

How many times will our batteries charge your device?

Charges:Switch 8Flip 10 Guide 10 Plus Switch 10Venture 30 Flip 30Sherpa 50Sherpa 100Yeti 150Yeti 400Yeti 1250
Headlamp (4 Watt-Hours)2 Charges2 Charges5-10 Charges12 Charges25 Charges37 Charges100 Charges300+ Charges
Smartphone (5-7 Watt-Hours)1 Charge1 Charge3-5 Charges7 Charges14 Charges15 Charges30+ Charges100+ Charges
GoPro® (5 Watt-Hours)1-2 Charges1-2 Charges5 Charges9 Charges18 Charges25 Charges70+ Charges200+ Charges
Digital Camera (8 Watt-Hours)1 Charge1 Charge3 Charges5 Charges10 Charges12 Charges20+ Charges100+ Charges
Tablet (25-42 Watt-Hours)25% Boost25% Boost1 Charge1-2 Charges2-4 Charges6 Charges10+ Charges45+ Charges
Laptop (50 Watt-Hours)N/AN/AN/A1 Charge1-2 Charges1-2 Charges3-5 Charges20+ Charges

Goal Zero Flip 20 Recharger Tech Specs


  • Product SKU: 21907
  • Chainable: No
  • Weight: 4.6 oz (113g)
  • Dimensions: 3.7 x 1.63 x 0.83 in (9.4 x 4.1 x 2.1 cm)
  • Operating usage temp.: 32-104 F (0-40 C)
  • Certs: CE, FCC, ROHS
  • Warranty: 12 months
  • User Guide: Download PDF – Flip 20

Charge Times

  • USB Power Source: 4 hours
  • Wall: n/a
  • Car: n/a
  • Nomad 7 Solar Panel: 5 – 10 hours


  • USB port (output): 5V, up to 2.1A (10W max), regulated
  • USB-port (input): 5V, up to 1.5A (7.5W max)

Battery Details

  • Battery Type: Li-ion NMC
  • Battery Size: 18.7Wh (3.6V, 5200mAh)
  • Cell Type: 2x 18650 by LG chem/Samsung
  • Lifecycles: hundreds of cycles
  • Shelf-life: Keep plugged in, or charge every 3-6 months
  • Fuses: none
  • Management system: Charging and low-battery protection built-in

1 x Flip 20 Recharger
1 x USB to Mini USB Cord