‹ All Bosch 12V Professional chargers
Bosch · Charger
Charger 
Charges
Bosch 12V Professional, Bosch Green 12V packs
Times
1 hr 5 min to 3 hr 5 min, across 4 packsCharge times ›
Specs
From Bosch's own documentationChecked 27 Sep 2026
Bosch · Charger
Bosch GAL12V-20 GAL 12V-20 compact charger (2A)
2A output 1 bay 12V ProfessionalGreen 12V
Bosch Professional GAL 12V-20 compact charger (2A).
1Adds it to My Tools, kept on this device
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£26.95at Tooled Up · + £5.95 delivery
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2AOutputmaker figure
1Baymaker figure
4Packs with a charge timefrom Bosch's figures
1 hr 5 minQuickest packthe smallest it charges
How long each pack takes
Bosch's own charge times on the GAL12V-20, smallest pack first. Packs Bosch gives no time for are left out.
1600A02N792.0Ah
1 hr 5 min
GBA12V-202.0Ah
1 hr 5 min
GBA12V-303.0Ah
1 hr 35 min
GBA12V-606.0Ah
3 hr 5 min
Bosch's own figures.
Full specs
From Bosch's own documentation, checked 27/09/2026. "Not listed" where Bosch doesn't publish a figure.
TypeCompact charger
Output2A
Bays1
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GAL12V-20 questions
Which batteries does the GAL12V-20 charge?
It charges Bosch 12V Professional, Bosch Green 12V packs. Bosch gives a charge time on it for 4 of the packs we list: 1600A02N79, GBA12V-20, GBA12V-30, GBA12V-60.
How long does the GAL12V-20 take to charge a pack?
From Bosch's own figures: 1600A02N79 (2.0Ah): 1 hr 5 min, GBA12V-20 (2.0Ah): 1 hr 5 min, GBA12V-30 (3.0Ah): 1 hr 35 min, GBA12V-60 (6.0Ah): 3 hr 5 min.