Hackaday3d ago

The Unreasonable Power Density of Lithium-Ion

https://fed.brid.gy/r/https://hackaday.com/2026/03/21/the-unreasonable-power-density-of-lithium-ion/

133d ago
The Unreasonable Power Density of Lithium-Ion https://hackaday.com/2026/03/21/the-unreasonable-power-density-of-lithium-ion/
#BatteryHacks #HackadayColumns #Rants #Lipo #Lithiumbattery #Lithiumion #Newsletter
The Unreasonable Power Density Of Lithium-Ion

We’re all used to it by now, but I’d just like to reflect on how insanely power-packed lithium ion batteries are, and everything that’s afforded us. I’m trying to think of a gadget, a hobby, or nea…

Hackaday
Hackaday5d ago

Modular 18650 Packs, No Spot Welding Required

https://fed.brid.gy/r/https://hackaday.com/2026/03/19/modular-18650-packs-no-spot-welding-required/

135d ago
Modular 18650 Packs, No Spot Welding Required https://hackaday.com/2026/03/19/modular-18650-packs-no-spot-welding-required/
#BatteryHacks #3Dprintedparts #Batterypack #Cams #Modularbatterypack
Modular 18650 Packs, No Spot Welding Required

Building a battery pack from 18650 cells traditionally requires patience, a spot welder, and a supply of nickel strip. But what if there was another way? [Ben] is here with Cell-Lock, a modular bat…

Hackaday
HackadayFeb 14

There’s Always Room for 3D Printed Batteries

https://fed.brid.gy/r/https://hackaday.com/2026/02/14/theres-always-room-for-3d-printed-batteries/

13Feb 14
There’s Always Room for 3D Printed Batteries https://hackaday.com/2026/02/14/theres-always-room-for-3d-printed-batteries/
#BatteryHacks #Science #3dprinting #Battery
There’s Always Room For 3D Printed Batteries

There are many applications where you have limits on how much you can cram into a particular space. There are also many applications where you need as much battery as you can get. At the intersecti…

Hackaday
HackadayFeb 8

Investigating the Science Claims Behind the Donut Solid State Battery

https://fed.brid.gy/r/https://hackaday.com/2026/02/08/investigating-the-science-claims-behind-the-donut-solid-state-battery/

13Feb 8
Investigating the Science Claims Behind the Donut Solid State Battery https://hackaday.com/2026/02/08/investigating-the-science-claims-behind-the-donut-solid-state-battery/
#BatteryHacks #Chemistryhacks #Battery #Batterychemistry
Investigating The Science Claims Behind The Donut Solid State Battery

Earlier this year Donut Lab caused quite the furore when they unveiled what they claimed was the world’s first production-ready solid state battery, featuring some pretty stellar specificatio…

Hackaday
HackadayFeb 4

Kei Truck Looks Like a Giant Power Tool

https://fed.brid.gy/r/https://hackaday.com/2026/02/04/kei-truck-looks-like-a-giant-power-tool/

13Feb 4
Kei Truck Looks Like a Giant Power Tool https://hackaday.com/2026/02/04/kei-truck-looks-like-a-giant-power-tool/
#BatteryHacks #TransportationHacks #Cordlesspowertool #Electricvehicleconversion #EVconversion #Kei #Keitruck #Minitruck
Kei Truck Looks Like A Giant Power Tool

Kei trucks are very versatile vehicles, but their stock powerplant can leave a bit to be desired. If you need more power, why not try an electric conversion? [Ron “Mr. G” Grosinger] is a high schoo…

Hackaday