Hackaday14h ago

Post-Failure Autopsy and Analysis of an LFP Battery

https://fed.brid.gy/r/https://hackaday.com/2026/04/02/post-failure-autopsy-and-analysis-of-an-lfp-battery/

Hackaday1d ago

Battery Tester Outperforms Cheaper Options

https://fed.brid.gy/r/https://hackaday.com/2026/04/01/battery-tester-outperforms-cheaper-options/

Battery Tester Outperforms Cheaper Options

Batteries are notoriously difficult pieces of technology to deal with reliably. They often need specific temperatures, charge rates, can’t tolerate physical shocks or damage, and can fail cat…

Hackaday
131d ago
Battery Tester Outperforms Cheaper Options https://hackaday.com/2026/04/01/battery-tester-outperforms-cheaper-options/
#BatteryHacks #Batterytester #Capacity #Chemistry #Currentsource #Mosfet #Raspberrypi
Battery Tester Outperforms Cheaper Options

Batteries are notoriously difficult pieces of technology to deal with reliably. They often need specific temperatures, charge rates, can’t tolerate physical shocks or damage, and can fail cat…

Hackaday
Hackaday3d ago

The Hazards of Charging USB-C Equipped Cells In-Situ

https://fed.brid.gy/r/https://hackaday.com/2026/03/30/the-hazards-of-charging-usb-c-equipped-cells-in-situ/

The Hazards Of Charging USB-C Equipped Cells In-Situ

Can you charge those Li-ion based cells with USB-C charging ports without taking them out of the device? While this would seem to be answered with an unequivocal ‘yes’, recently [Colin]…

Hackaday
133d ago
The Hazards of Charging USB-C Equipped Cells In-Situ https://hackaday.com/2026/03/30/the-hazards-of-charging-usb-c-equipped-cells-in-situ/
#BatteryHacks #Rechargeablebatteries
The Hazards Of Charging USB-C Equipped Cells In-Situ

Can you charge those Li-ion based cells with USB-C charging ports without taking them out of the device? While this would seem to be answered with an unequivocal ‘yes’, recently [Colin]…

Hackaday
Hackaday6d ago

This Flow Battery Operates With No Pump Required

https://fed.brid.gy/r/https://hackaday.com/2026/03/27/this-flow-battery-operates-with-no-pump-required/

This Flow Battery Operates With No Pump Required

Flow batteries are rather unique. They generate electricity by the combination of two fluids flowing on either side of a membrane. Typically, this involves the use of some kind of pump to get every…

Hackaday
136d ago
This Flow Battery Operates With No Pump Required https://hackaday.com/2026/03/27/this-flow-battery-operates-with-no-pump-required/
#BatteryHacks #Battery #Flowbattery #Magnetohydrodynamic #MHD
This Flow Battery Operates With No Pump Required

Flow batteries are rather unique. They generate electricity by the combination of two fluids flowing on either side of a membrane. Typically, this involves the use of some kind of pump to get every…

Hackaday
HackadayMar 21

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/

13Mar 21
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
HackadayMar 19

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/