Tools:

ExpertPower 12V 7 Amp EXP1270 Rechargeable Lead Acid Battery
http://amzn.to/2BAxDkj

Extreme Max Battery Buddy Charger
http://amzn.to/2B3wgK8

Transcript:

Sealed Lead Acid Batteries. In this Cool Tool’s review I’m going to show you why it’s handy to have a 12v, SLA battery around. This one cost me around $20 on Amazon, and you can pick up the same one using the Amazon link in the description, which helps support my videos and the Cool Tools blog.

Tools:

EBL 18650 3.7V 3000mAh Li-ion Rechargeable Batteries
https://amzn.to/2HoFW5B

Charger
https://amzn.to/2JD1AUG

Holders
https://amzn.to/2JzFF0t

Transcript:

It’s time for another Cool Tool review. This time we’re taking a look at the most popular rechargeable battery most people know nothing about. This is the 18650, I got a pair of these name brand ones for $9, though you can get sketchy ones even cheaper. I’m going to show you why they’re useful and if you want some for yourself, using the Amazon link in the description helps support my videos and the Cool Tools blog.

This week on Maker Update, music from record sleeves, axe throwing for children, a 3D printed cat feeder, Belief-Based computing kits, and building your own battery packs.

This week on Maker Update, a blazing fast 3D printed RC car, soft robotics in Korea, taking pictures with an Etch A Sketch, a robot recycler, and reading your pet’s RFID.

Project Notes

Original project by Jay Rugland:
https://www.thingiverse.com/thing:1248463

Blue Spade Terminals (Amazon Associate link):
https://amzn.to/2MJLz0C

Similar Dewalt 18 volt to Dewalt Lithium Ion 20 Volt Adapter, but w/ Battery Monitor
https://www.thingiverse.com/thing:1270617

$20 Surebonder Dewalt-to-Ryobi adapter:
https://surebonder.com/products/dew-20v-ryobi%C2%AE-to-dewalt%C2%AE-battery-adapter

They also make a Milwaukee-to-Ryobi adapter (Amazon Associate link):
https://amzn.to/2tinJB7

More project reviews:
https://www.youtube.com/playlist?list=PLHvctKwAXIO_ewpuKb1RXqez5NCSbeANj

This is the Hakko FX-901 portable soldering iron (available on Amazon: http://amzn.to/2sh7g0t). It runs off 4 AA batteries that you can swap out really fast with this removable cartridge design. I use rechargeables in mine and I get over an hour of use out of it before I notice the temperature drops. Alkaline batteries will run hotter, but not last as long.

This week on Maker Update, an automatic dice spinner, a desktop CT scanner, what taggers can teach us about permanent markers, and powering your Raspberry Pi from lithium iron phosphate. This week’s Cool Tool is the Krink K-70 Permanent Ink Marker.

This week on Maker Update, levitating water with LEDs, 3D printed skull buttons, servos on Pi, a game of Twang, Arduino animatronics, and project talk with Becky Stern. This week’s Cool Tool is the EBL 18650 Rechargeable Battery.

This week on Maker Update, a gesture controlled hologram, a new magazine for makers, a chill drinkbot, a DIY solar battery, shrink plastic, foam core tips and DIY solder masks. This week’s Cool Tool is the Aven Circuit Board holder.

This week on Maker Update, an update for Circuit Python, Adafruit IO Plus, casting metal in Kinetic sand, a 3D printed tape measure tool, and reusing vintage voltmeters. This week’s Cool Tool is a 12v SLA battery.