Specs from the makers' own documentation Battery compatibility built in UK retailer prices, updated daily 25+ years of trade experience
‹ Reciprocating Saws
18V Professional
GSA 18V-LI Reciprocating saw No product photo yet
Reciprocating Saws · Bosch 18V Professional

Bosch GSA 18V-LI Professional Reciprocating Saw (Body Only, L-BOXX)

2-speed2.9kg bare3 years (with registration)

Bosch GSA 18V-LI: cordless reciprocating saw, 28mm stroke, up to 2,700 strokes/min, cuts wood up to 250mm, 2.9kg bare.

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28mm
Stroke length
250mm
Max cut, wood
130mm
Max cut, pipe
2,700spm
Stroke rate

Where it sits among full-size reciprocating saws

Scaled against the 57 full-size reciprocating saws we list, so one-handed saws aren't in the mix. Not a score: bigger isn't always better for your job.

Stroke length28mm
20mm lowestMakita DJR188highest 32mmMilwaukee M18 FSX
Max cut, wood250mm
Max stroke rate2,700spm
2,200spm lowestMakita JR003Ghighest 3,200spmDeWalt DCS382
Weight (bare)2.9kg
2.06kg lightestEinhell TP-AP 18/28 Li BLheaviest 4.4kgMakita JR3070CT

Full specs

From Bosch's own documentation. Checked 14/10/2026. Report a spec error ›

Stroke & Cutting

Saw classFull size
Stroke length28 mm
Max stroke rate2,700 spm
Max cut, wood250 mm
Max cut, pipe130 mm
Max cut, mild steel20 mm
Speed settings2
Voltage18V

Physical & Build

Weight (bare)2.9 kg
Weight (with battery)3.5 kg
Case typeL-BOXX
Case modelL-BOXX 238
Case included✓ Yes
Noise level88 dB(A) LpA / 96 dB(A) LwA
Vibration (cutting boards)27.5 m/s²
Vibration (cutting wooden beams)27.5 m/s²

Powered by Bosch 18V Professional · 13

All 13 batteries that fit this tool, smallest first. Kits and chargers ›

GBA18V-20 2.0Ah · 36Wh 0.35kg 3.25kg £56.99at Machine Mart + £4.99 delivery View at Machine Mart ›
GBA18V-30 3.0Ah 0.6kg 3.5kg No retailer price yet About this battery ›
PROCORE18V-40 4.0Ah · 72Wh 0.52kg 3.42kg from £54.99at Tooled Up + £6.95 delivery View at Tooled Up ›
GBA18V-40 4.0Ah · 72Wh 0.6kg 3.5kg from £73.99at Machine Mart + £4.99 delivery View at Machine Mart ›
EXBA18V-40 4.0Ah · 72Wh 0.61kg 3.51kg No retailer price yet About this battery ›
GBA18V-50 5.0Ah · 90Wh 0.62kg 3.52kg from £85.00at Machine Mart + £4.99 delivery View at Machine Mart ›
PROCORE18V-55 5.5Ah · 99Wh 0.96kg 3.86kg No retailer price yet About this battery ›
EXBA18V-55 5.5Ah · 99Wh 1.02kg 3.92kg from £157.95at Tooled Up + £6.95 delivery View at Tooled Up ›

Tool weight worked out by adding each pack's weight to the bare tool, using the makers' figures. The maker's own with-battery figure can differ slightly. We may earn a commission on retailer links.

Warranty · 3yr

Up to 3 years1 year as standard, 3 once you register it with Bosch
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Register within 28 days of buying Own one? Add it to My Tools and we'll remind you before the 28 days run out

Register within 4 weeks. Batteries & chargers can also be extended (unlike DeWalt/Makita).

Warranty terms are set by the maker and can change. Always confirm current cover on their site before you buy.

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