Hackaday [Unofficial]May 14

ChargeCap Helps Your Batteries Last Longer By Limiting Charge Level

https://fed.brid.gy/r/https://hackaday.com/2026/05/14/chargecap-helps-your-batteries-last-longer-by-limiting-charge-level/

13May 14
ChargeCap Helps Your Batteries Last Longer By Limiting Charge Level https://hackaday.com/2026/05/14/chargecap-helps-your-batteries-last-longer-by-limiting-charge-level/
#BatteryHacks #Batteries #Esp32C3 #Lithiumion #Recharging #Usb
ChargeCap Helps Your Batteries Last Longer By Limiting Charge Level

If you want to maximize the life of your lithium-ion batteries, proper storage voltage is critical. That is, don’t store them empty, and don’t store them completely full either. “…

Hackaday
Hackaday [Unofficial]May 14

Teardown: ChargeTab Emergency Phone Charger

https://fed.brid.gy/r/https://hackaday.com/2026/05/14/teardown-chargetab-emergency-phone-charger/

13May 14
Teardown: ChargeTab Emergency Phone Charger https://hackaday.com/2026/05/14/teardown-chargetab-emergency-phone-charger/
#BatteryHacks #Featured #Interest #Teardown #Chargecontroller #HT4928S #Lithiumion #Powerbank #TP4056
Teardown: ChargeTab Emergency Phone Charger

If you own a modern smartphone, there’s an excellent chance that its battery has run dangerously low on you at least a few times. Murphy’s Law dictates that this will naturally occur at…

Hackaday
13Apr 18
Electric Wind-Up Plane Uses Supercapacitors For Free Flight Fun https://hackaday.com/2026/04/18/electric-wind-up-plane-uses-supercapacitors-for-free-flight-fun/
#BatteryHacks #ToyHacks #Modelairplane #Supercapacitor #Tomstanton
Electric Wind-Up Plane Uses Supercapacitors For Free Flight Fun

There’s something to be said for a simple wind-up, free flight model airplane. With no controls, it must be built very well to fly well, and with only the limited power of a rubber band, it n…

Hackaday
Hackaday [Unofficial]Apr 18

Electric Wind-Up Plane Uses Supercapacitors For Free Flight Fun

https://fed.brid.gy/r/https://hackaday.com/2026/04/18/electric-wind-up-plane-uses-supercapacitors-for-free-flight-fun/

Electric Wind-Up Plane Uses Supercapacitors For Free Flight Fun

There’s something to be said for a simple wind-up, free flight model airplane. With no controls, it must be built very well to fly well, and with only the limited power of a rubber band, it n…

Hackaday
Hackaday [Unofficial]Apr 10

Battle Born Explains How Its Battery Thermal Safety Works

https://fed.brid.gy/r/https://hackaday.com/2026/04/10/battle-born-explains-how-its-battery-thermal-safety-works/

13Apr 2
Post-Failure Autopsy and Analysis of an LFP Battery https://hackaday.com/2026/04/02/post-failure-autopsy-and-analysis-of-an-lfp-battery/
#BatteryHacks #Teardown #Autopsy #LiFePO4
Post-Failure Autopsy And Analysis Of An LFP Battery

Recently [Kerry Wong] had one of his Cyclenbatt LiFePO4 batteries die after only a few dozen cycles, with a normal voltage still present on the terminals. One of the symptoms was that as soon as yo…

Hackaday
Hackaday [Unofficial]Apr 2

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/

Hackaday [Unofficial]Apr 1

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