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Positive Grid Spark mini battery-powered amplifier review

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REVIEW – Guitarists of all types want an amp at some point. Acoustic players want to be heard above the other instruments or voices they may be playing with. Electric players want to just hear the actual sounds, but also usually want to add some effects to the bare sound, which, until the age of […]

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EBL NiZn Rechargeable AA Batteries with Charger review – a different kind of battery

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REVIEW – You’re familiar with standard alkaline AA batteries from companies like Duracell, and you are probably familiar with rechargeable NiMH AA batteries, like these from Energizer.  They are all the same size (diameter 14.5 mm, length 50.5 mm) and have a standard range for voltage (1.2 to 1.5v), though their capacity can vary widely

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SleepPhones Bluetooth Sleep Headphones review – Sleep with super sound in classy comfort with beefy battery life!

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REVIEW – I reviewed an earlier version of SleepPhones about 18 months ago and loved them. Can AcousticSheep “make a better mousetrap” of their already impressive offering? Awwww yeah!…. What is it? SleepPhones are Bluetooth wireless headphones enclosed in a soft, comfortable, stretchy headband. Hardware Specs Bluetooth®: 5.0 AAC receiver Micro-USB charging and headphone socket

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What makes BLUETTI’s solar generators last longer? – LiFePO4 battery cells

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SPONSORED NEWS – It all started with the EB150 and EB240 solar generators, Bluetti’s first products launched back in 2019. Approximately one year later, they released their flagship model the AC200 on Indiegogo (which was powered by NCA cells), as a crowdfunding campaign. This project pulled in nearly 7 million dollars in two months. Since

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ZEEKER P10 smartphone review – A big battery with a smartphone built in

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REVIEW: At 11.4 ounces the Zeeker P10 is a hefty cell phone. It’s heavy duty. Emphasis on heavy. It has a 6000 mAh battery so it would be. It is also submersible. No, it takes underwater pictures. Continue conversations in the bath, anyone? Could the Zeeker P10 be your everyday smartphone with specs like this?

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Home-and-portable battery Mango Power Union launches from $2,799 featuring world’s first built-in dual PV inverter

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CROWDFUNDING NEWS – Mango Power Union, the most sought-after battery system of the year, will be available for purchase on November 23rd through Indiegogo. “There are three things that have made Mango Power Union the most awaited product of the year for the home energy industry: It’s a two-in-one solution. You don’t need to pay

Home-and-portable battery Mango Power Union launches from $2,799 featuring world’s first built-in dual PV inverter Read More

Generark HomePower 2 Backup Battery Power Station and SolarPower 2 review – an impeccably dressed monster

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REVIEW – In late 2020, I reviewed the Generark HomePower One, a beast of a portable solar generator at 1000 watt-hours strong. I also chided Generark, because the HomePower One is a clone of the Japanese version of the Jackery Explorer 1000. That’s not a slight, because, with its fold-down handle, the Japanese Jackery is

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Shure AONIC 215 Gen 2 TWS earbuds review – great audio quality, long battery life, and so much more

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REVIEW – Bluetooth headphones are a dime a dozen these days. It seems like every brand you know of (including a shoe company), and many you’ve never heard of, is making one or more types of true wireless earbuds. With so many options out there how do you decide what’s best for you? It’s never

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Chargeasap Flash Pro Plus review – high capacity battery bank for all your charging needs

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REVIEW – We all have a lot of devices to charge – phones, watches, tablets, laptops, Bluetooth headphones, flashlight batteries, and the list goes on and on. What we don’t always have is a convenient place to charge multiple devices. Even if we do have a multi-outlet charger, what if we want to charge on

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Bluetti’s new AC200 MAX power station and B230 battery module are now available to order!

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SPONSORED NEWS – On June 23rd, Bluetti updated and upgraded their product line, adding 4 new power horses to their fleet. This took the form of the all new AC200 MAX, the one-of-a-kind AC300 and the industry-first battery modules: The 2048Wh B230 and the 3072Wh B300. It is with great pleasure to announce, that the

Bluetti’s new AC200 MAX power station and B230 battery module are now available to order! Read More