Where can you get a second battery for backup?

Hello, Please contact Enertwist.Service@hotmail.com for support to get a second battery for backup.

How much does the saw weigh with the battery would it work or a 77 yr women

I love this saw!!! It weighs 6lbs. Easy to hold. I don't have long fingers or big hands so I do need to use my left hand to depress the safety button on the left side of the saw to start it cutting. I would suggest ordering the handle for it. That might help holding it. I didn't order that. I much prefer cordless. By the way I'm 60 yes old. This would be a great gift for a woman or man. My roofer used it said it was great to use. If your a DIY person BUY IT!!!

Spare battery model number is ET-CSA-20B, ASIN: B07WTVGS16; And cost about $39.99 per 4.0Ah unit.

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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EnerTwist 20V Max 4-1/2" Cordless Circular Saw with 4.0Ah Lithium Battery and Charger, Includes Laser & Parallel Guide, Wood Plastic Soft-metal Multifunction Cutting Blades, Vacuum Adaptor, ET-CS-20C…

EnerTwist 20V Max 4-1/2" Cordless Circular Saw with 4.0Ah Lithium Battery and Charger, Includes Laser & Parallel Guide, Wood Plastic Soft-metal Multifunction Cutting Blades, Vacuum Adaptor, ET-CS-20C…

Product ID: 140401018

Details

Blade Material
Metal
Brand
ENERTWIST
Color
Orange
Power Source
Battery
Surface Recommendation
Plastic

⚡20V Max Power

🔋4.0Ah Long-lasting Battery

🪚4.5-inch Precision Blade

Description

🛠️ Cut Smart, Cut Fast, Cut Anywhere — The Future of Cordless Precision!

LIGHT AS A FEATHER - Weighing just 4.5 lbs, this compact saw offers unmatched one-handed control and portability.
CUT WITH CONFIDENCE - Powerful 3500 RPM motor slices through 2x4s in a single pass—no cord, no limits.
PRECISION PERFECTED - Laser and parallel guides plus adjustable bevel (0-45°) and depth settings for flawless cuts every time.
ALL IN ONE CUTTING KIT - Includes 3 versatile blades, fast charger, vacuum adapter, and a 4.0Ah battery—ready for any project, anywhere.
CLEAN SAFE WORKSPACE - Integrated dust port for vacuum hookup keeps your environment tidy and blade left-side design maximizes cut-line visibility.

The EnerTwist 20V Max Cordless Circular Saw combines a powerful 3500 RPM motor with a lightweight 4.5-inch blade, delivering precision cuts on wood, metal, tile, and plastic. Featuring a 4.0Ah lithium battery for extended runtime, laser and parallel guides for accuracy, and ergonomic safety design, it’s engineered for professionals who demand portability and performance in tight spaces. Complete with multiple blades, fast charger, and dust port, it’s the ultimate all-in-one cutting solution backed by a 2-year warranty.

Specifications

ASIN	B07Q26W5HM
Best Sellers Rank	#3,299,562 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1,348 in Power Circular Saws
Blade Length	4.5 inches
Blade Material	Metal
Brand	ENERTWIST
Brand Name	ENERTWIST
Color	Orange
Customer Reviews	4.2 out of 5 stars 763 Reviews
Cutting Angle	45 degrees
Handle Material	Plastic or Lightweight Composite
Included Components	Bare Tool
Item Dimensions L x W x H	16.14"L x 4.72"W x 6.3"H
Item Weight	2.1 kg
Manufacturer	ENERTWIST
Manufacturer Part Number	ET-CS-20C
Number of Batteries	1 Lithium Ion batteries required. (included)
Number of Items	1
Number of Packs	1
Number of Teeth	24
Power Source	Battery Powered
Speed	3500 rpm
Surface Recommendation	Plastic
UPC	661757157401
Unit Count	1 Count
Voltage	20 volts
Warranty Type	limited warranty

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