This 40 volt Kobalt lawn mower battery had been running down after almost 4 years of use. What originally gave me 24 minutes of power was down to only 6 minutes per charge. So I bought some new batteries at the 18650 battery store and got busy doing a rebuild of the 40 volt battery.
In this video I did use a soldering iron you can find on Amazon:

10-Piece Impact Rated 3" Security Torx Bit Set | Temper Proof, Advanced Heat Treatment, Magnetized (S2 Steel w/MnPO COATING, 3")
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Soldering Iron Kit, 80W 110V LCD Digital Soldering Welding Iron Kit with Ceramic Heater, Portable Soldering Kit with 5pcs Tips, Stand, Solder Tube, Sponge, for Metal, Jewelry, Electric, DIY
[ Ссылка ]

LCD4 Rechargeable Battery Charger, Universal 18650 Battery Charger with LCD Screen Can Display Capacity, Adjustable Charging Speed, Suitable for Lithium Battery and Ni-MH/Ni-Cd AA AAA Battery
[ Ссылка ]

I really did a lot of research to buy the 18650 batteries. They HAVE TO to be matching batteries to work with what I am working on - High discharge with an amp hr rating that matches my current tool battery EXACTLY . The problem of purchasing the wrong battery is a fire or explosion ( what I read online ) so I really took my time researching this.

The steps in the video are pretty straight forward. You just have to pay STRICT attention. If you watched the video, you know what I mean!

THANKS FOR WATCHING!
Also, if you are in the market for any tools, check out our Amazon store front or the links below.
Visit our amazon store front for our recommendations for tools and supplies for DIY success!
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Here is a list of some other tools we often use :
RENOVATION TOOLS - TIME & EFFORT SAVERS
DEWALT 20V MAX* Cordless Impact Driver Kit, Brushless, 1/4-inch (DCF787C2)
[ Ссылка ]

DEWALT Line Laser, Self-Leveling, Cross Line, Red Beam (DW088K)
[ Ссылка ]

DEWALT 20V MAX* XR Oscillating Tool Kit, 3-Speed (DCS356C1)
[ Ссылка ]


POWER TOOLS: NICE!
DEWALT Miter Saw, Single Bevel, Compound, 10-Inch, 15-Amp (DWS713)
[ Ссылка ]

DEWALT 12-Inch Miter Saw, 15-Amp, Single Bevel, Compound (DWS715)
[ Ссылка ]

DEWALT Table Saw for Jobsite, Compact, 8-1/4-Inch (DWE7485)
[ Ссылка ]


TOOL BOX - MUST HAVES:
Gerber Gear 22-41830N EAB Pocket Knife and Money Clip, EDC Gear, Fixed Blade Knife,
Stainless Steel
[ Ссылка ]

IRWIN Hammer, Fiberglass, General Purpose, Claw, 16 oz. (1954889)
[ Ссылка ]

DEWALT 20V Max Cordless Drill / Driver Kit, Compact, 1/2-Inch (DCD771C2), Yellow
[ Ссылка ]


KAIWEETS Digital Multimeter TRMS 6000 Counts Voltmeter Auto-Ranging Fast Accurately
Measures Voltage Current Amp Resistance Diodes Continuity Duty-Cycle Capacitance
Temperature for Automotive
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#40voltbattery, #fixtoolbattery, #

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