Synergy Digital Power Tool Battery, Compatible with Bosch Rotak 37 LI R Power Tool, (Li-ion, 36V, 4000mAh) Ultra High Capacity, Replacement for Bosch 2 607 336 001 Battery - Walmart.com
Free Shipping 36v 2.6ah Li-ion Original Used Battery For Bosch Rotak Battery Mowers 43li/37li/32li/ Alb 36 Li Blower - Battery Packs - AliExpress
Bosch Power Tools Rotak 37 LI | ProductReview.com.au