[GreatScott] has now joined the ranks of Electric Bike users. Or has he? We previously covered how he made his own lithium-ion battery pack to see if doing so would be cheaper than buying a ...

Before the age of lithium batteries, any project needing to carry its own power had to rely on batteries that were much less energy-dense and affordable. In many ways, we take modern lithium ...

TL;DR: A DIY battery swap boosted Nintendo's Switch 2 battery life by nearly 50%, extending the handheld's longevity when playing Cyberpunk 2077 from 2 hours 18 minutes to 3 hours 25 minutes. It's a ...