Awards Top Pick Award Top Pick Award    
Price $35 List$104.89 at REI
Compare at 3 sellers
$229 List$56 List$258.95 at Backcountry
Compare at 2 sellers
Overall Score Sort Icon
69
67
65
64
58
Star Rating
  • 1
  • 2
  • 3
  • 4
  • 5
  • 1
  • 2
  • 3
  • 4
  • 5
  • 1
  • 2
  • 3
  • 4
  • 5
  • 1
  • 2
  • 3
  • 4
  • 5
  • 1
  • 2
  • 3
  • 4
  • 5
Pros Relatively lightweight for panel type, inexpensive, charges devices efficientlySmart design, built in battery maintains charge through intermittent shade/sun, durableDurable design, thoughtful concept, works well with Mac products, panel is effectiveLightweight, durable, simple designWorks well in partially cloudy conditions, USB-C cable, charges laptop, durable
Cons Ineffective if relying only on solar for power, less durable than other battery packsExpensive, heats up when left in sun for long periodsExpensive, time consumingFailed to charge multiple devices at once, lacks efficiencyExpensive, bulky
Bottom Line Our top-performing panel/battery packWith a smart design and high scores in overall performance, this panel impressed usA well-thought-out panel and battery combo that charges laptopsThis lightweight, inexpensive panel did not charge our gadgets as fast as some, but managed to be a consistent contender in all metricsThis panel works well in marginal conditions and can feed large, hungry gadgets
Rating Categories Renogy 15,000mAh SolarPanel 10+ Systems Arc 20W RAVPower 16W Prime Powertraveller 40
Charging Speed (30%)
7
8
7
7
6
Charge Interruption Recovery (20%)
5
8
7
6
5
Multiple Device Charging Speed (20%)
7
2
6
4
6
Weight & Portability (20%)
9
7
5
8
5
Durability (10%)
6
9
8
7
8
Specs Renogy 15,000mAh SolarPanel 10+ Systems Arc 20W RAVPower 16W Prime Powertraveller 40
Panel Size (watts) 2W 10W 20W 16W 40W
Weight (measured) 9.5 oz 19.2 oz 26 oz 16.8 oz 28.8 oz
# of USB outlets 2 1 0 2 2
Max USB Output Current (amps per port) 2 amps 2 amp 1.1 amp 2.4 amp 3 amp
Battery kit? Yes No Yes No No
Size folded 6.3" x 3.1" x 0.7" 10.1" x 8.2" x 0.94" 7.5" x 10" x .5" 9.75" x 6" x .5" 11.5" x 11.5" x .8"
Battery? Yes No Yes No No
Charge tablet? No Yes Yes Yes Yes
Charge laptop? Npo No Yes Yes Yes
Panel Type Mono-crystalline Mono-crystalline Mono-crystalline Mono-crystalline Mono-crystalline
Size opened 6.3" x 3.1" 0.7" 20.3" x 8.2" x .4" 34" x 10"x . .06" 25.75" x 6" x 0.1" 47.3" x 11.5" x 0.2"
Battery input (Volts / Amps) 5V 2A N/a 5V 2A N/a N/a
Charge capacity (mAh) 15,000mAh N/a 24,000mAh N/a N/a
Charge iPhone/smartphone Yes Yes Yes Yes Yes
Direct USB Plug? Yes Yes No Yes Yes
Daisy Chain? No No No No No
12-Volt connection No No Yes No No
Warranty 1 year Limited Lifetime 2 years 18 months 1 year
Expand to show full ratings & specs  |  Hide details