How have Puerto Rico’s new microgrids performed during its massive power outage?

How have Puerto Rico’s new microgrids performed during its massive power outage?

After Hurricane Maria, battery companies like Tesla and Sonnen helped set up alternate power systems across the island. Now that the island is without power again, they are showing a way forward instead of counting on the Puerto Rico’s beleaguered utility. Wh…

Read More…

Decay of the coronal magnetic field can release sufficient energy to power a solar flare

Decay of the coronal magnetic field can release sufficient energy to power a solar flare

Solar flares are bright flashes and associated eruptions of plasma from the Sun that are thought to be powered by violent rearrangement of the magnetic fields near sunspots. Fleishman et al. observed a bright solar flare with a microwave interferometer, allow…

Read More…

Easypower Solar Power Bank 2.0-6,000 mAh Battery Capacity with Dual USB Charging Ports by Frog & CO

☀️LARGE CAPACITY: The power bank has a capacity of 6,000 mAh or about 1.5 times the average cell phone battery capacity. Plus dual charging – there are two output jacks so you can charge two devices at the same time. Input – 5V1A. Output -5V1A.

☀️CHARGE: All kinds of phones (iPhone, Samsung, LG, Motorola, etc) and tablets. Just use your own phone cord which plugs into USB port.

☀️CHARGING CORD (included): Micro USB to regular USB charging cord for use in charging the unit with a power source – recommended. Then top it off with solar power. 5.25 x 3 x 0.75 inches. Weighs 6 oz.

☀️BUILT-IN FLASHLIGHT: Use the flashlight on the back to light up your tent, bug out bag or to light up your path. Use the included carabiner to attach it to your backpack or other bag and it’ll charge during your hiking, camping, and fishing trips.

☀️FREE CARABINER WITH COMPASS: Use the included carabiner to attach it to your backpack or other bag and it’ll charge during your hiking, camping, and fishing trips.

Buy here…….

ZUMIMALL Solar Panel Power Supply for ZUMIMALL Rechargeable Battery Wireless Security Camera A3/A3P


➤Power cord length: 13ft (4m)

➤Model:A3 Solar Panel

➤Solar Silicon: Single Crystal Cell

➤Back plate thickness: 0.25mm±0.05mm

➤Backplane color :white

➤Tempered Glass size:169.5*144.5mm±0.2mm

➤Product thickness 15mm ± 0.8mm

➤Finished product size180*155mm±0.8mm

➤Starting Voltage≥ 6.84V

➤Starting Current≥532mA

➤Working Voltage≥ 5.7V

➤Working Current≥506mA


➤Efficiency 19.50%


➤Inner box size: 190*160*70mm

➤Outer box size:585*435*335mm (36PCS/carton)

➤Cable Length4m±50mm; 22AWG Micro Cable

Product Features

  • [COMPATIBILITY] This solar panel power supply for rechargeable battery camera is designed specifically for the ZUMIMALL wireless security camera to provide you with a convenient way to keep your security running safely around the clock without worrying about changing batteries
  • [NON-STOP POWER SUPPLY] We designed this security camera power supply to offer a power output of 3.7W along with using high-efficient materials to ensure reliable performance even in the long run. It’s ideal for use both day and night, in both the summers and winters to keep your security cameras up and running
  • [WEATHERPROOF PERFORMANCE] Our solar panel system is designed to handle anything Mother Nature can throw at them. With an IP65 Weatherproof design, this security camera solar panel can withstand snow, storms, rain and more that are quickly drained to ensure long term use
  • [MOUNT THE WAY YOU WANT] Our solar panel comes with everything you need to easily install it on your own. It comes with a 360-degree swivel and 90-degree tilt adjustable wall mount bracket and 13ft power cord that allows for flexible installation so you can mount the way you want, anywhere you want
  • [100% CUSTOMER SATISFACTION] We make your satisfaction our main priority. If you aren’t happy with this solar power supply for Rechargeable Battery camera then simply let us know within 30 days so we can help make things right for you or offer you a refund without any hassle

25000mAh Solar Charger 7W,4-Panel Detachable Qi Wireless Charger External Battery,Dual 2.4A Output,Type-C Input/Output,Flashlight,IP54 Rainproof

【Detachable Solar Panels】Newest detachable solar panel design with higher solar energy conversion. When 4 premium solar panels is magnetically attached, it works as a 7W solar charger with Max 1400mah input current; When detached, it works as individual portable power bank with wireless charger. A MUST HAVE charger for business people or traveler.

【Qi Wireless & 3 Rapid Charging Outputs】The portable 5W Qi wireless charger compatibles with iPhone XS Max/XR/XS/X/8/8Plus/Samsung Galaxy S10/S9/S9+/S8/Note 9 and all qi-enabled devices. Together with built-in dual 5V/2.4A(Max) USB output ports and a 5V/3A type-C output port, allowing you safe to charge for 4 electronic devices simultaneously. Sharing the juice with your family and friends.

【25000mAh Huge Capacity】Built in Eco-friendly 25000mAh Li-Polymer battery and 3 output ports design, allow charge smart phones and any other devices multiple times. Powered with Li-polymer Batteries, more durable and stronger for longer. Automatically adjust the output power to deliver the optimal charging current. Ideal choice for hiking, camping trips or other outdoor activities.

【Design for Outdoors】The outer case is made from durable ABS material better protect battery from rain, dust, crashes or drops. Moreover, the built-in super LED emergency light can be used as a torch or emergency lighting in darkness. Simply long press the power button to turn it on/off. “Steady-SOS-Strobe” 3 modes is designed for outdoor enthusiasts.

【Portable & What Your Will Get 】You will get 1*Solar charger, 1*Charging cable, 1*carabiner and lanyard, 1*User Manual. With the carabiner included, you may hang it on your backpack for traveling, hiking, camping, long road trips as the emergency back-up solution. Timely & considerate customer services, any suggestion or complaint during uses, just contact us directly for solution.

Buy here…….

Foxelli Solar Power Bank – 10000mAh Battery, Lightweight, Water Resistant, Portable Solar Charger for Cell Phones & Tablets with Dual USB Output & LED Flashlight

RELIABLE POWER SOURCE: Charge your smart phone, tablet, and other electronic USB devices off the grid from anywhere, anytime! Feel secured with an emergency charging option that is powered by sun. Foxelli solar phone charger has 3 detachable solar panels and 10000mAh Li-Polymer battery.

PORTABLE, LIGHTWEIGHT & WATER-RESISTANT: Foxelli Solar Power Bank has an IPX4 rating and is detachable from solar panels if needed, which makes it the most outstanding on the market. It’s a must-have for any traveler, hiker or outdoor adventurer. Just throw it in your backpack and it’s there when needed!

2 CHARGING METHODS + 2 USB OUTPUTS: Two USB ports allow you to charge two gadgets simultaneously! You can charge the power bank itself using the included USB cable or unfolding the solar panels under direct sunlight, where and when electricity is unavailable.

CHARGER & FLASHLIGHT COMBO: Foxelli Portable Solar Charger has a built-in LED flashlight, which is a nice added bonus for camping, hiking, and other outdoor activities, as well as emergencies when hurricane season strikes. The LED flashlight has 3 modes, including SOS and strobe.

RISK-FREE PURCHASE: Don’t worry about missing Amazon’s 30-day return window! We offer a 120-day, no questions asked, money back guarantee with our One Year Warranty. If you don’t like it – FOR WHATEVER REASON – we’ll give you your money back. Buy with confidence!

Buy here…….