Power Where Pavement Ends
Veteran-owned off-grid solar and preparedness gear for the overlanding community
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The Lab
467 Wh per Kilo, No Anode: The Battery Chemistry That Could Halve Your Power Station's Weight
HKUST researchers built an anode-free lithium metal pouch cell at 467 Wh/kg, with a coin cell holding 90% capacity after 200 cycles. Lighter power is coming. It is not buyable...
467 Wh per Kilo, No Anode: The Battery Chemistry That Could Halve Your Power Station's Weight
467 Wh per Kilo, No Anode: The Battery Chemistry That Could Halve Your Power Station's Weight
|The 4xSolar Lab
Silicon Batteries Held 83% After 1,000 Cycles. The Catch Is Pressure.
Fraunhofer ISE cycled silicon-rich 25 Ah pouch cells past 1,000 cycles with over 83% capacity left at 280 Wh/kg. The condition that made it work matters as much as the...
Silicon Batteries Held 83% After 1,000 Cycles. The Catch Is Pressure.
Silicon Batteries Held 83% After 1,000 Cycles. The Catch Is Pressure.
|The 4xSolar Lab
Flexible Solar Just Crossed 20%: The Decisive Layer Is 11 Nanometers Thick
A Nature Energy team certified 20.65% efficiency in a flexible organic solar cell by standing an 11 nm layer of molecules upright. Here's why that matters for panels that bend...
Flexible Solar Just Crossed 20%: The Decisive Layer Is 11 Nanometers Thick
Flexible Solar Just Crossed 20%: The Decisive Layer Is 11 Nanometers Thick
|The 4xSolar Lab
Capable. Equipped. Ready.
4xSolar is a veteran-owned shop in Tucson, Arizona. We sell off-grid solar and overland power gear, sized honestly for the rig you actually run. If a panel will not do the job, we will tell you before you buy it, not after.