Bosch GSR 12V-15 FC Professional Drill Driver (Kit with 2x2.0Ah Lithium-Ion Batteries, 4 Chuck Attachments, Battery Charger and Case) for sale online | eBay
Bosch 12V Replacement Battery for 2607335692 2607335262 2607335542 GSB 12VE-2 GSR 12 VE-2 PAG 12v PSB 12VE-2 PSR 12VE-2 PSR 12VE-2
BOSCH Increase Battery Capacity BAT411 to BAT420 - YouTube
BOSCH Upgrade Battery / Change Old Dead Li Ion Cell / GSR BAT411 - YouTube