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Reviewed: Anker Power Port Solar 21W Solar Panel + Fenix RC09 LED Flashlight

Anker Power Port Solar 21W Solar Panel

See my solar and battery power charging wish list at B&H Photo.

Anker products are not carried by B&H Photo, but are available on Amazon: Anker solar, Anker battery.

See also Gear for the Mountains.

I previously reviewed the GOAL ZERO solar products following by the Anker PowerPort Solar Lite, Anker PowerCore 20100+ USB-C and Fenix RC11 flashlight.

I’ve now updated my review of the 15W Anker PowerPort Solar Lite to include its 3-panel sibling, the 21W Anker PowerPort Solar.

Anker Solar Panels: 15W PowerPort Solar Lite, 21W PowerPort Solar

The interest of mine threading through all this is in off-the-grid power for multi-day excursions, for electronics such as the Sony A7R II, a rechargeable flashlight, or an iPhone (for panoramas in the field), etc. Some GPS units are also USB-rechargeable.

But some things suck, like Canon and Nikon, which require AC power to charge (no I’m not just going to put a $10 charger that applies a volt-amperage to two leads on the battery).

I’ve also done some real-world solar charging test, summarized here, see the review for details:

  15W PowerPort Solar Lite 21W PowerPort Solar Comments
iPhone 5s 20% to 100% in just over 2 hours    
iPhone 6s Plus
discharged to self shut-off. 11 Wh
  0% to 70% @ 65 minutes
0% to 97% @ 110 minutes
0% to 98% @ 120 minutes
0% to 100% @ 127 minutes or less
theoretical best = 62 minutes @ 5V / 2.1A (not verified as possible)
Charge Sony A7R II battery in-camera
7.3 Wh, totally drained
  2 hours
11:00 - 13:00
just as fast as powered USB
Fenix RC11 flashlight
2600 mAH / 9.36 Wh battery
4 hours
11:00 - 15:00
  just as fast as powered USB
Fenix RC09 flashlight
two (2) X 700 mAh / 2.59 Wh, consecutively
  3.5 hours
9:00 - 12:30
Flashlight accepts at most 1.5 amps
Fenix 3500 mAH / 9.36 Wh battery in Fenix charger 5 hours
12:00 - 5:00
  Nearly as fast as USB.
Charger limited to 1.5 amps
Anker PowerCore 20100+ 74 Wh battery +
Fenix 3500 mAH / 12.6 Wh battery in RC11 flashlight
  15 hours ~= 11 hours full sun
day 1: 08:00 - 13:00 battery done
day 1: 08:00 - 20:00 PowerCore @ 70% done
day 2: 09:00 - 12:00 PowerCore @ 1005
day 1 8:00 AM foggy overcast, sunny by 9 AM

TOTAL of 86.6 Wh

Rechargeable LED lighting

The Fenix RC09 and RC09 are amazingly bright yet can run for days on lower settings. Thus appropriate for backpacking or off-the-grid use, since they can be recharged using a small solar panel and the lighting can run for days if needed, without recharging.

Fenix RC11 Palm-Size USB-rechargeable LED Flashlight

Fenix RC09 Tiny but Powerful USB-Rechargeable LED Flashlight

Fenix RC09 USB-rechargeable LED flashlight
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