Taste The Code

18650 Battery Tester Review: Measuring Capacity and Internal Resistance

Testing salvaged 18650 cells from old laptop batteries using a 4-channel tester to measure capacity and internal resistance on each cell independently.

Mar 28, 2026 — 5 mins read

Power Bank from Scratch with 18650 batteries and LX-LBU2C

I used a LX-LBU2C module and salvaged 18650 batteries to make highly functional DIY power bank with special red light.

Apr 26, 2025 — 5 mins read

How I Built a DIY Digital Microscope For My Electronics Workbench

Learn how I build a DIY digital microscope for my electronics workbench! I cover 3D printing a camera mount, upgrading to a rechargeable battery, and transforming a handheld microscope into a powerful tool for PCB inspection and repair.

Feb 26, 2025 — 4 mins read

Battery Saving Mod For Digital Calipers

I modified my digital calipers so the battery does not get wasted if they accidentally turn on in storage!

Nov 22, 2024 — 3 mins read

Camping light modernization with LEDs and Li-Ion battery pack

I revived and modernized this camping light from my parents so we could again use it on our camping trips.

May 28, 2024 — 6 mins read

Drill battery conversion from NiCd to Lithium

I converted an old NiCd drill battery to Lithium by using salvaged 18650 battery cells from old laptops.

Mar 10, 2023 — 2 mins read

What is the best way to power your electronics project?

A glimpse into the different modules and options that we can use to power our electronics projects from different voltages.

Nov 11, 2022 — 4 mins read

Custom power bank for electronics projects

I made a custom power bank that is primarily designed with portable battery operated projects in mind.

Aug 27, 2022 — 2 mins read

Free LiPo batteries from thrown vape devices

Learn how to extract batteries from used vape devices that you can find on the street and use them in projects

Aug 05, 2022 — 1 min read

Better power supply for my workbench

After several years, I'm replacing my DIY power supply on the workbench

Apr 23, 2021 — 3 mins read

Taste The Code

18650 Battery Tester Review: Measuring Capacity and Internal Resistance

Testing salvaged 18650 cells from old laptop batteries using a 4-channel tester to measure capacity and internal resistance on each cell independently.

Power Bank from Scratch with 18650 batteries and LX-LBU2C

I used a LX-LBU2C module and salvaged 18650 batteries to make highly functional DIY power bank with special red light.

How I Built a DIY Digital Microscope For My Electronics Workbench

Learn how I build a DIY digital microscope for my electronics workbench! I cover 3D printing a camera mount, upgrading to a rechargeable battery, and transforming a handheld microscope into a powerful tool for PCB inspection and repair.

Battery Saving Mod For Digital Calipers

I modified my digital calipers so the battery does not get wasted if they accidentally turn on in storage!

Camping light modernization with LEDs and Li-Ion battery pack

I revived and modernized this camping light from my parents so we could again use it on our camping trips.

Drill battery conversion from NiCd to Lithium

I converted an old NiCd drill battery to Lithium by using salvaged 18650 battery cells from old laptops.

What is the best way to power your electronics project?

A glimpse into the different modules and options that we can use to power our electronics projects from different voltages.

Custom power bank for electronics projects

I made a custom power bank that is primarily designed with portable battery operated projects in mind.

Free LiPo batteries from thrown vape devices

Learn how to extract batteries from used vape devices that you can find on the street and use them in projects

Better power supply for my workbench

After several years, I'm replacing my DIY power supply on the workbench

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18650 Battery Tester Review: Measuring Capacity and Internal Resistance

Testing salvaged 18650 cells from old laptop batteries using a 4-channel tester to measure capacity and internal resistance on each cell independently.

Power Bank from Scratch with 18650 batteries and LX-LBU2C

I used a LX-LBU2C module and salvaged 18650 batteries to make highly functional DIY power bank with special red light.

How I Built a DIY Digital Microscope For My Electronics Workbench

Learn how I build a DIY digital microscope for my electronics workbench! I cover 3D printing a camera mount, upgrading to a rechargeable battery, and transforming a handheld microscope into a powerful tool for PCB inspection and repair.

Battery Saving Mod For Digital Calipers

I modified my digital calipers so the battery does not get wasted if they accidentally turn on in storage!

Camping light modernization with LEDs and Li-Ion battery pack

I revived and modernized this camping light from my parents so we could again use it on our camping trips.

Drill battery conversion from NiCd to Lithium

I converted an old NiCd drill battery to Lithium by using salvaged 18650 battery cells from old laptops.

What is the best way to power your electronics project?

A glimpse into the different modules and options that we can use to power our electronics projects from different voltages.

Custom power bank for electronics projects

I made a custom power bank that is primarily designed with portable battery operated projects in mind.

Free LiPo batteries from thrown vape devices

Learn how to extract batteries from used vape devices that you can find on the street and use them in projects

Better power supply for my workbench

After several years, I'm replacing my DIY power supply on the workbench

Topics

Search

Tags

How to Sort Salvaged 18650 Cells with a Battery Tester

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Can I Fix This Dead Plasma Ball with a Transistor Swap?