I find the little 2-Ah batteries don't power this saw very long. What are folks using with this? 4Ah? 6 or 8?

Hi! All Bosch PTNA Tools are compatible with all Bosch PTNA lithium-ion chargers and batteries for as long as they have the same voltage (12V, 18V, or 36V). Using a battery with a higher Ah, 4.0 and up will provide a higher runtime for the tool. For further assistance, contact us at 1-877-BOSCH99 (1-877-267-2499) from Mon-Fri 7A-7P CST.

How many watts does the motor need

You must mean amps. Use the designated amps (battery) the higher the amps the longer it will run.

The country of origin of the GSA18V-083B is in China. Robert Bosch Tool Corporation utilizes a global manufacturing strategy, which incorporates a global network of suppliers with our worldwide manufacturing locations in regions such as Asia, Europe, and the United States. Our manufacturing facilities around the globe are all owned and operated by the Bosch Group and maintain the highest quality standards. You can be assured that whatever country your Bosch product was made in, it will be made with the quality you would expect from Bosch. For further assistance, contact us at 1-877-BOSCH99 (1-877-267-2499) from Mon-Fri 7A-7P CST.

Hi if you compare this one with CRS180b, witch is the best one? or witch are the differences? thks

Thanks for your question. The GSA18V-083B is more compact and lightweight than the CRS180B weighing 4.4 lbs, 15-3/4" in length with 0.83 stroke length. The CRS180B weighs 6.3 lbs, 17.7" in length and 1.125 stroke length. If you have further questions please feel free to contact our Product Specialists at 1-877-BOSCH-99 (1-877-267-2499)

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BOSCH GSA18V-083B 18V Cordless Reciprocating Saw - Lightweight & Compact, 0.83" Stroke, 3,050 SPM, Variable-Speed Trigger, Toolless Blade Change, LED Light (Bare Tool)

BOSCH GSA18V-083B 18V Cordless Reciprocating Saw - Lightweight & Compact, 0.83" Stroke, 3,050 SPM, Variable-Speed Trigger, Toolless Blade Change, LED Light (Bare Tool)

Product ID: 30840566

Details

Blade Material
Metal
Brand
Bosch
Color
Multicolor
Power Source
Battery
Surface Recommendation
Wood

⚡3,050 SPM stroke speed

🪓0.83" optimized stroke length

🪶4.4 lbs ultra-lightweight

¥57802

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Description

🛠️ Cut Smart, Work Light, Stay Ahead!

COMPACT AGILE - At just 15-3/4 inches long and 4.4 lbs, it fits effortlessly into tight spaces and supports fatigue-free overhead work.
SAFETY FIRST ALWAYS - Integrated switch lock prevents accidental starts, giving you peace of mind on every project.
POWER MEETS PORTABILITY - Experience best-in-class 3,050 strokes per minute for rapid, precise cuts without the bulk.
EFFORTLESS BLADE CHANGES - Toolless blade-change system lets you switch blades in seconds, keeping your workflow uninterrupted.
ILLUMINATE YOUR WORKSPACE - Built-in LED light brightens dark cutting zones, so you never miss a detail on the job.

The Bosch GSA18V-083B is a lightweight, compact 18V cordless reciprocating saw delivering a powerful 3,050 SPM with a 0.83-inch stroke. Designed for professionals who demand precision in tight spaces, it features a toolless blade-change system, ergonomic soft-grip handle, and an LED light for enhanced visibility. Backed by Bosch’s 5-year limited warranty, this bare tool is perfect for overhead and detailed cutting tasks, combining German engineering durability with unmatched portability.

Specifications

ASIN	B01HD4EGEG
Best Sellers Rank	#157,660 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #116 in Power Reciprocating Saws
Blade Length	4 inches
Blade Material	Metal
Blade Shape	Rectangular
Brand Name	Bosch
Color	Multicolor
Customer Reviews	4.7 4.7 out of 5 stars (1,039)
Global Trade Identification Number	00000346486728
Handle Material	Plastic
Included Components	(2) 6-Inch Bi-Metal Reciprocating Saw Blades
Item Dimensions L x W x H	15.75"L x 3.15"W x 8.1"H
Item Type Name	Reciprocating Saw
Item Weight	4.4 pounds
Manufacturer	Bosch
Manufacturer Part Number	GSA18V-083B
Manufacturer Warranty Description	Bosch 18V cordless power tools are covered by a five year limited warranty. For details, visit https://rb-pt.io/PowerToolWarranty or call 1-877-BOSCH99
Model Number	GSA18V-083B
Number of Batteries	1 Lithium Ion batteries required.
Number of Items	1
Number of Teeth	18
Other Special Features of the Product	Brushless
Power Source	Battery Powered
Surface Recommendation	Wood
UPC	000346486728
Unit Count	1 Count
Warranty Type	limited warranty

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¥57802

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Japan.

Secure transaction

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