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Ideal Diodes from AliExpress

Voltage Controlled Relay gets Ideal Diode

Xtar 18650s have 4000mAh Capacity

Battery Testers Analysed

Supercapacitor Playground

Atorch DT20 has New Firmware

Coulometers Tested TK15 H56C

CHEAP Lidl Parkside Cordless Engraver 4V CHEAP

Sodium Battery with Voltage Display

Spot Welding 32140 Sodium Ion Cells using Supercapacitors

Atorch DT20 DC Energy Meter with WiFi Tuya

ZK-SJ30 Buck Boost 30A Converter uses LT8705

Fnirsi HRM-10 Internal Resistance Tester

Xtar VX4 Battery Charger Capacity Tester

Junctek BL105F Coulometer

5% Better than Specified - 105Ah LFP Battery Tests

Hakadi Battery 105Ah LiFePO4 Prismatic Cells

Mosquito Lamp

30A DC Circuit Breaker Teardown

Sodium Ion Batteries and Heltek Balancers

Battery using Different Grades of Yinlong LTO Cells?

Xtar VC8S Battery Charger Tested

Fnirsi SWM-10 Spot Welding Machine Review

Pure Nickel or Nickel Plated Steel?