Doctor Lefthandthread

@UCpOUtsz8RLHI19fPfgtiITg - 32.7K subscribers

Tool Repairs , Battery repairs , Live streams, Amateur solutions to professional problems, Life Hacks, How to videos, Product discussion, reviews, advice battery builds and budget fixes

Home Videos Live Playlists

Is This the BEST Spot welder on Amazon?

Is This the BEST Spot welder on Amazon? Doctor Lefthandthread

2.1K views - 4 days ago

Monday Morning behind the scenes vlog 29th June 2026

Monday Morning behind the scenes vlog 29th June 2026 Doctor Lefthandthread

6 days ago

Secret Way to Charge 18650 Cells Using Your Phone Plug!

Secret Way to Charge 18650 Cells Using Your Phone Plug! Doctor Lefthandthread

750 views - 2 weeks ago

Dewalt 5ah Battery same fault 3 repair options

Dewalt 5ah Battery same fault 3 repair options Doctor Lefthandthread

2.2K views - 3 weeks ago

The Lidl Middle Aisle Vortex Strikes Again! Parkside Tools Temptation

The Lidl Middle Aisle Vortex Strikes Again! Parkside Tools Temptation Doctor Lefthandthread

1.8K views - 4 weeks ago

This Fake Milwaukee Battery Looks Dangerously Real

This Fake Milwaukee Battery Looks Dangerously Real Doctor Lefthandthread

1.2K views - 1 month ago

Dewalt powered tractor Members only extended version

Dewalt powered tractor Members only extended version Doctor Lefthandthread

1 month ago

Members only video sds Dewalt Dysfunction non Members can view on Facebook

Members only video sds Dewalt Dysfunction non Members can view on Facebook Doctor Lefthandthread

1 month ago

I Restarted My Parkside Robot Mower After a Year… Here’s What Happened

I Restarted My Parkside Robot Mower After a Year… Here’s What Happened Doctor Lefthandthread

11K views - 2 months ago

Members only Monday Workshop day job vlog

Members only Monday Workshop day job vlog Doctor Lefthandthread

2 months ago

Members only vlog and repair video

Members only vlog and repair video Doctor Lefthandthread

2 months ago

These Batteries Were COMPLETELY Dead… Then I Tried This

These Batteries Were COMPLETELY Dead… Then I Tried This Doctor Lefthandthread

890 views - 2 months ago

Jefferson magnetic Drill is toast

Jefferson magnetic Drill is toast Doctor Lefthandthread

330 views - 2 months ago

Broken power cable? Try this instead of soldering

Broken power cable? Try this instead of soldering Doctor Lefthandthread

557 views - 2 months ago

Parkside Screwdriver Set Review After 10 Months – Lidl Bargain or False Economy?

Parkside Screwdriver Set Review After 10 Months – Lidl Bargain or False Economy? Doctor Lefthandthread

714 views - 2 months ago

Bosch GSH 5 CE Demolition Hammer Repair – Power Loss Fixed

Bosch GSH 5 CE Demolition Hammer Repair – Power Loss Fixed Doctor Lefthandthread

696 views - 3 months ago

Shame on you Dewalt New part £226.00

Shame on you Dewalt New part £226.00 Doctor Lefthandthread

519 views - 3 months ago

Parkside 20v Impact Wrench is it worth it?

Parkside 20v Impact Wrench is it worth it? Doctor Lefthandthread

2.3K views - 3 months ago

Don’t Throw Away Dead Milwaukee Batteries (Fix Them Like This!)

Don’t Throw Away Dead Milwaukee Batteries (Fix Them Like This!) Doctor Lefthandthread

2K views - 3 months ago

Fixing 9 Milwaukee M18 Batteries in One Day – Flashing Light & Cell Connection Repairs

Fixing 9 Milwaukee M18 Batteries in One Day – Flashing Light & Cell Connection Repairs Doctor Lefthandthread

2K views - 3 months ago

Fixing 2 Milwaukee M18 8.0Ah Batteries – Flashing Light & No Bars Repair

Fixing 2 Milwaukee M18 8.0Ah Batteries – Flashing Light & No Bars Repair Doctor Lefthandthread

1.9K views - 3 months ago

Are Lidl Parkside Cutting Discs Any Good? Let’s Cut Off a Dewalt Chuck

Are Lidl Parkside Cutting Discs Any Good? Let’s Cut Off a Dewalt Chuck Doctor Lefthandthread

1.5K views - 3 months ago

TikTok Said This Replaces a Hammer… Seriously

TikTok Said This Replaces a Hammer… Seriously Doctor Lefthandthread

531 views - 3 months ago

I Got Trolled in Real Life… About My YouTube Channel

I Got Trolled in Real Life… About My YouTube Channel Doctor Lefthandthread

375 views - 3 months ago

Old Brushed Makita Tools – Worth Repairing in 2026?

Old Brushed Makita Tools – Worth Repairing in 2026? Doctor Lefthandthread

1K views - 3 months ago

Milwaukee M18 BMS Replacement – Battery Brain Surgery

Milwaukee M18 BMS Replacement – Battery Brain Surgery Doctor Lefthandthread

1.7K views - 4 months ago

Rescuing 12 Milwaukee Batteries from the scrapheap - Full Triage Session

Rescuing 12 Milwaukee Batteries from the scrapheap - Full Triage Session Doctor Lefthandthread

1.6K views - 4 months ago

DeWalt Chuck Stuck? Here's What Actually Works

DeWalt Chuck Stuck? Here's What Actually Works Doctor Lefthandthread

3K views - 4 months ago

M18 Batteries USA Vs Europe what's the difference?

M18 Batteries USA Vs Europe what's the difference? Doctor Lefthandthread

1.1K views - 4 months ago

Are Parkside Tools worth Buying?

Are Parkside Tools worth Buying? Doctor Lefthandthread

1.5K views - 4 months ago

The 5 Most Asked M18 Battery Repair Questions on Reddit (Answered Honestly)

The 5 Most Asked M18 Battery Repair Questions on Reddit (Answered Honestly) Doctor Lefthandthread

4.6K views - 5 months ago

Bosch 18V Batteries Not Charging? Real Diagnosis & Repair

Bosch 18V Batteries Not Charging? Real Diagnosis & Repair Doctor Lefthandthread

7.5K views - 5 months ago

Bosch 18V Battery Showing ZERO Volts – Can It Be Fixed? | Battery Repair Explained

Bosch 18V Battery Showing ZERO Volts – Can It Be Fixed? | Battery Repair Explained Doctor Lefthandthread

1.8K views - 5 months ago

Fixing 5 Faulty Bosch 18V Batteries ⚡ Diagnosis, Voltage Testing & What’s Worth Saving

Fixing 5 Faulty Bosch 18V Batteries ⚡ Diagnosis, Voltage Testing & What’s Worth Saving Doctor Lefthandthread

2.5K views - 5 months ago

Milwaukee M18 Loose Battery? This Simple Fix Stops It Falling Off

Milwaukee M18 Loose Battery? This Simple Fix Stops It Falling Off Doctor Lefthandthread

4K views - 5 months ago

Milwaukee M18 5.0 Battery Loses Power Fast? Load Test Reveals the Truth

Milwaukee M18 5.0 Battery Loses Power Fast? Load Test Reveals the Truth Doctor Lefthandthread

915 views - 5 months ago

DeWalt Laser Not Working? No Beams – Easy Battery Contact Fix (DW087)

DeWalt Laser Not Working? No Beams – Easy Battery Contact Fix (DW087) Doctor Lefthandthread

2.5K views - 5 months ago

DeWalt SDS Hammer Drill Not Hammering? FULL Beginner Repair Guide (DCH273 Rotary Hammer Fix)

DeWalt SDS Hammer Drill Not Hammering? FULL Beginner Repair Guide (DCH273 Rotary Hammer Fix) Doctor Lefthandthread

4.9K views - 5 months ago

Why Your M18 Battery Won’t Charge | Fix with B6AC Charger & Cell Replacement Tutorial

Why Your M18 Battery Won’t Charge | Fix with B6AC Charger & Cell Replacement Tutorial Doctor Lefthandthread

7.2K views - 6 months ago

High Demand 9Ah battery repair - PCB Replacement

High Demand 9Ah battery repair - PCB Replacement Doctor Lefthandthread

1K views - 6 months ago

Milwaukee Dewalt Makita Battery repair compilation Best of 2025

Milwaukee Dewalt Makita Battery repair compilation Best of 2025 Doctor Lefthandthread

1K views - 6 months ago

Doctor Lefthandthread's Christmas Message 2025 | Team Suboptimal, Thank You

Doctor Lefthandthread's Christmas Message 2025 | Team Suboptimal, Thank You Doctor Lefthandthread

206 views - 6 months ago

Can a Mellif Impact Wrench Survive a Tyre Center? Real world review/Test

Can a Mellif Impact Wrench Survive a Tyre Center? Real world review/Test Doctor Lefthandthread

1.3K views - 6 months ago

This £34.99 Brushless Grinder Looks Good… But Is It? | Parkside Performance Review

This £34.99 Brushless Grinder Looks Good… But Is It? | Parkside Performance Review Doctor Lefthandthread

7.6K views - 6 months ago

5 Reasons Knock Off Batteries are Useless

5 Reasons Knock Off Batteries are Useless Doctor Lefthandthread

6 months ago

The Ultimate M18 Battery Test

The Ultimate M18 Battery Test Doctor Lefthandthread

3.3K views - 6 months ago

Best Troll Responses of 2025 compilation

Best Troll Responses of 2025 compilation Doctor Lefthandthread

243 views - 6 months ago

DCD805 Dewalt Switch repair Quick fix

DCD805 Dewalt Switch repair Quick fix Doctor Lefthandthread

2.3K views - 6 months ago

POWER TOOL BATTERIES Part 4 - Lithium cells explained

POWER TOOL BATTERIES Part 4 - Lithium cells explained Doctor Lefthandthread

1.3K views - 6 months ago

Channel Members thank you for your continued support

Channel Members thank you for your continued support Doctor Lefthandthread

6 months ago

DeWalt DCD470 Repair – Replace Handle & Chuck (Quick & Easy Fix!)

DeWalt DCD470 Repair – Replace Handle & Chuck (Quick & Easy Fix!) Doctor Lefthandthread

644 views - 7 months ago

POWER TOOL BATTERIES Part 3 - What is inside a lithium-ion battery?

POWER TOOL BATTERIES Part 3 - What is inside a lithium-ion battery? Doctor Lefthandthread

1K views - 7 months ago

POWER TOOL BATTERIES Part 2 - What do the numbers mean?.

POWER TOOL BATTERIES Part 2 - What do the numbers mean?. Doctor Lefthandthread

1.6K views - 7 months ago

POWER TOOL BATTERIES Part 1 - What Are They?

POWER TOOL BATTERIES Part 1 - What Are They? Doctor Lefthandthread

1.2K views - 7 months ago

How to Check Battery Voltage (and Why It Matters)

How to Check Battery Voltage (and Why It Matters) Doctor Lefthandthread

1.4K views - 7 months ago

How to Remove a Battery from a Cordless Drill

How to Remove a Battery from a Cordless Drill Doctor Lefthandthread

3.3K views - 7 months ago

Milwaukee Battery Full Voltage No Bars repair

Milwaukee Battery Full Voltage No Bars repair Doctor Lefthandthread

1.9K views - 7 months ago

How My YouTube Repair Videos Landed Me a Professional Job

How My YouTube Repair Videos Landed Me a Professional Job Doctor Lefthandthread

498 views - 7 months ago

How to Test a Hilti B22 21.6V Battery with a Multimeter

How to Test a Hilti B22 21.6V Battery with a Multimeter Doctor Lefthandthread

1.9K views - 8 months ago

Fake batteries are Worse than you think! I HAVE PROOF

Fake batteries are Worse than you think! I HAVE PROOF Doctor Lefthandthread

2.3K views - 8 months ago