13+ hour, 23+ min ago   (436+ words) After Tesla notified one customer that their Powerwall 2 would be swapped for a Powerwall 3 at no cost, the customer wondered whether the same visit could also add another battery more cheaply. Other owners said combining the work might trim some…...

1+ week, 2+ day ago   (395+ words) Yahoo Tech It costs $99,999, and delivery is estimated for 2027. However, you can't place a preorder at the time of writing, as CoolFly says that the entire 2025 and 2026 production has sold out. The Urban is part of CoolFly's longer-term goals of…...

1+ week, 5+ day ago   (405+ words) A portable power station usually brings to mind camping trips, tailgates, or backup electricity during an outage. But one EcoFlow owner shared one less obvious use for these appliances: helping recharge a car battery when there was no wall outlet…...

2+ week, 8+ hour ago   (496+ words) With more severe storms, rising electricity use, and power-hungry data centers driving overall demand, many homeowners are starting to view backup energy storage as a practical part of home planning rather than a luxury. For people weighing options other than…...

2+ week, 21+ hour ago   (406+ words) After one homeowner spotted what they believed was a loophole in an EV charging program, they took to Reddit's r/SolarDIY community to see if they were missing anything or could profit from it. The original poster explained in the…...

3+ week, 2+ day ago   (511+ words) Two trends are converging for sodium-ion batteries: their energy density is climbing toward levels long associated with lithium packs, while pricing may again be shifting in sodium's favor. A review from researchers at the University of South Africa, Ethiopia's Bahir…...