3000mAh for Einhell 18V Ni MH Battery pack CD e as 18 evo BT CD18 2B kit 2 for self installation|Replacement Batteries| - AliExpress
Batteries N Accessories BNA-WB-L11223 Power Tool Battery - Li-ion, 10.8V, 2500mAh, Ultra High Capacity - Replacement for Einhell BT-CD 10.8/1 Li Battery - Walmart.com