NESTOUT Solar Charger, Power Bank, and Flashlight

by Brian Mullin on February 7, 2025

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With NESTOUT gear, you can stay on the trails longer this summer. NESTOUT is a sustainable ecosystem of modular outdoor power banks, light accessories, and solar panels built to be shockproof, dustproof, and waterproof. Centered around design innovations, NESTOUT products harness solar energy to charge batteries and power lights, creating a sustainable and eco-friendly energy cycle. We tested their four-panel solar charger, 15000 mAh power bank, and FLASH-1 light.

Solar Charger – 4 Panels

Power

Enjoy the power of the NESTOUT Solar Charger (SOLAR-1), which has four panels and generates up to 28 W for charging devices, from phones to tablets. Seamlessly integrate it with your NESTOUT power bank for an efficient and cohesive power system you can use anywhere. At only 1.6 lbs (765 g), this foldable solar charger is light and easy to pack for all your adventures.

It also comes in a smaller 2-panel version.

Performance

The adjustable stand, which you can easily position and reposition to capture sunlight, adapts to various terrains and environments. Crafted with durable, water-repellent, and stain-resistant ripstop nylon, it ensures reliable outdoor performance.

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Solar Charger folded up and zippered shut, the main pocket holding optional 15000 mAh power bank.

Dedicated pockets and elastic straps for cables, carabiners, and accessories help you stay organized.

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Impressions

The NESTOUT 4-Panel Solar Charger (SOLAR-1) generates up to 28 W of power. It can charge smartphones, lights, batteries, earbuds, cameras, electronics, GPS devices, and tablets through its dual USB-A ports (with protective rubber covers). I believe the solar panels utilize Maxeon cells. It easily integrates with their power banks for an efficient and cohesive power system you can use anywhere. At only 1.6 lbs, this small, foldable solar charger is light and easy to pack for any adventure, whether car camping, post-bike rides, etc. Once the panels are folded out, the back side has two Velcro-adjustable wands (kickstands) that help you adapt the panels to any terrain, environment, or situation. The kickstands are easy to position or reposition to capture the sun’s rays, which can increase power generation efficiency (right angle to the sun). The maximum electrical generation efficiency is 24%. It’s made with durable, water-repellent, and stain-resistant ripstop nylon, ensuring reliable outdoor performance; however, like any flexible solar panels, they are somewhat fragile (don’t poke them with a knife). Be careful after sitting in the sun, as the panels can get hot.

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One side of the zippered top pocket can hold any of their power banks (5000, 10000, and 15000 mAh), which are held in place by an elastic band. The other side has two open-weave sleeves for holding cables and other accessories. The USB-A port has a current checker LED readout, indicating the amperes (0.1 A units) used by the connections.

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 I was charging their 15000 mAh power bank, and the readout showed 3.2 A in full sun. Note that the readout does not equate to the amount of energy generated, though the devices can draw more current with brighter sunshine.

Since the panel system is pretty light and can act like a kite, you’d need to brace it or ensure it is held down during heavy winds. However, when the power banks are in their sleeves, their weight helps keep the panels securely in place. 

Click here to buy the 4-Panel Solar Charger 

Specs:

  • Number of solar panels – 4
  • Electricity generation capacity – Maximum 28 W
  • Electricity generation efficiency – Maximum 24 %
  • Port USB-A port × 2
  • USB Output – Maximum total current 5 V/4.8 A Maximum current for each port 5 V /2.4 A
  • Dimensions
    • Folded – 6.1 x 11.2 0 2.0 in.)
    • Unfolded – 26.4 x 112 x 0.5 in.
  • Weight – 27.0 oz

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Power Bank 15000mAh

Robust Waterproof Outdoor Power Bank

Experience ultimate outdoor power with the NESTOUT Outdoor Battery 15000 mAh, a robust companion for all your adventures. Weighing just 12.8 ounces (365 grams), this portable powerhouse is designed for on-the-go convenience, making it an essential accessory for hiking, camping, field, and outdoor excursions.

They also offer 5000 mAh and 10000 mAh power banks.

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Ports – One side has a USB-A and USB-C, the other a USB-A

Rugged and Reliable

This rugged power bank is dustproof, shockproof, and waterproof, ensuring reliability in any environment. Versatile and efficient, it’s compatible with smartphones, tablets, and various USB-charging devices, allowing simultaneous charging of your device and battery. Equipped with three charging ports (two USB-A and one USB-C), it delivers an impressive 32W of power and fully charges in approximately 3 hours and 35 minutes.

Its modular design enhances compatibility with NESTOUT custom-fit accessories, creating a seamless outdoor power ecosystem. When used with a NESTOUT LED light attachment set to its lowest brightness, activate gear mode to extend the automatic shut-off time to around 12 hours.

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15000mAh power bank – FLASH-1 on one side, and charging a GPS bike computer on the other

Impressions

The NESTOUT 15000 mAh is a portable, stout, and monstrous power bank. Although it’s slightly heavy (12.8 oz), it’s more than reasonable for a 32-watt/15,000mAh device. Its multi-device functionality allows it to charge smartphones, lights, batteries, earbuds, cameras, electronics, GPS devices, and tablets through three charging ports (two USB-A and one USB-C). I liked how their FLASH-1 light perfectly integrates into one side of the 15000 mAh while leaving one port open for charging. It is also compatible with their smaller LAMP-1 lantern.

It’s built like a tank and is rugged, dustproof, shock-resistant, and waterproof (IPX6/IPX7 tests). It suits any terrain and mimics an old-school vintage fuel bottle (modern yet classic). It has two screw caps that tightly seal the charge ports closed when not in use.

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LED Indicator (Left-Power LED, Right-Remaining Charge LED) and Power Button

For safety purposes, it utilizes a six-circuit protection system against temperature changes, short circuits, overcharge, over-discharge, overvoltage, and overcurrent. If it was completely drained, it took about 3.5 hours to recharge the 15000 mAh, which was rare since I always juiced it back up when it got low. I likely averaged around 2+ hours to replenish the power bank. The power button and LED indicator worked exceptionally well and helped determine charge levels.

It comes with a short USB-C cable, though I wish it included the mini-tripod that the FLASH-1 light has since it makes it worthwhile to hold up the battery during usage.  

Click here to buy the 15000 mAh Power Bank

Specs:

  • Battery capacity: 10.8 V, 4850 mAh, 52.38 Wh (3.6 V, 14550 mAh)
  • Compatible models: iPhone or smartphones, tablet PCs, and other small electronic devices that charge using USB
  • Connector type (Power input side): USB-C port
  • Rated input voltage: 5 V/9 V
  • Rated input current: 3 A/2 A
  • Connector type output ports: 2 x USB-A, 1 x USB-C
  • Rated output voltage: USB-C is 5 V/9 V, USB-A is 5 V
  • Rated output current: Total 32 W
    • USB-C is 3 A/2.22 A
    • USB-A is 2.4 A
  • Battery type: Rechargeable lithium-ion battery
  • Charging time: 3 hours 35 minutes
  • Dimensions: 3.3 x 1.4 x 5.1 inches
  • Weight: 12.8 ounces

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FLASH-1 Gear

Versatile Outdoor Lighting Solution

Illuminate your outdoor adventures with the FLASH-1, NESTOUT’s versatile flashlight attachment designed for NESTOUT batteries. This high-performance flashlight features customizable color temperature and adjustable brightness settings, allowing you to create the perfect ambiance for any activity—camping, hiking, tinkering in the garage, or exploring.

Plus, the mini tripod attaches to the battery to provide freestanding stability. In contrast, the adjustable angle provides directional lighting, ensuring you can light up your surroundings exactly where you need it. Pack your gear with the included travel-friendly storage bag, making it ideal for on-the-go adventures.

Seamless Integration for Extended Use

Experience extended lighting with the FLASH-1, offering usage times ranging from 4.5 to 26 hours on low LED mode. When paired with your NESTOUT power bank, activate gear mode for 12 hours of continuous use. The seamless integration of NESTOUT gear and batteries ensures a robust setup that withstands the elements and provides reliable performance. Whether in the wilderness or your backyard, NESTOUT delivers innovative outdoor gear that enhances your experience.

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Impressions

The FLASH-1 flashlight is the sort of LED panel light you’d see attached to a camera or used to illuminate someone on a Zoom call. It uses 20 LEDs in the panel and offers direct forward light for concentrating lumens on a more localized focal point.

The light integrates or connects to any of their power banks in the 5000, 1000o, and 15000 mAh sizes via a small screw-on adapter and a locking clamp with a push-button release. The light has a male USB-A connector that connects off-angle to the power bank’s female USB-A port. The connection system works well enough but is fiddly and not very intuitive, and it would be a bummer if you lost the small adapter. 

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The rotary switch to power on the light and adjust the brightness is much like a burner on a backpacking stove. It has a distinctive click start, and an almost complete turn takes it from a calm 30 lumens to a blinding 1000 lumens. I liked how the LED panel can be tiled nearly 180 degrees, offering several angles to illuminate things. I found it excellent at campsites for use in a tent or on a table, reading, cooking, etc. My favorite thing I used it for was background lighting for picture taking. 

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The mini-tripod was an excellent, highly functional tool that screwed into the 1/4″ camera port on the bottom of all their power banks. The tripod had a lower and middle position and a clip hole on the bottom to hang the light upside down from a cord or mini-carabiner. 

Click here to buy the FLASH-1

Specs:

  • Brightness – 30 to 1000 Lumens
  • Color adjustment – Cool white/warm white/daylight
  • Color temperature – 2800 K – 6000 K
  • Dimensions [Width] x [Depth] x [Height]
  • Light- 3.9 x 1.4 x 4.7 in.
  • Mini tripod
    • (Unfolded)  – 5.7 x 5.1 x 1.8 in.)
    • (Folded) – 1.2 x 1.1 x 3.5 in.
  • Input – 5 V/2.0 A
  • Input terminal – USB-A

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