I upgraded my Parkside 20V battery from 2Ah to 6Ah for just €30 - that's triple the capacity . Using Sanyo 3000mah cells and a custom 3D printed case, this upgrade delivers longer runtime. Drop a comment if you want to see [Milwaukee/Makita/Dewalt] battery upgrades next! ------------------------------------------------------------------------------------------------------ For business inquiries, contact me at: @ ------------------------------------------------------------------------------------------------------ ⚠️ SAFETY DISCLAIMER ⚠️ Working with lithium-ion batteries involves serious risks including fire and explosion. Only attempt this if you understand battery chemistry, have proper safety equipment, and work in a well-ventilated area. I accept no liability for damage or injury resulting from following this guide. 🔧 PARTS LIST: • 10x Sanyo 3000mah 18650 cells (3000mAh each) • 5S 21V BMS protection board(original) • Pure nickel strips ( x 8mm) • 3D printed battery case (STL file below) • Spot welder or soldering iron • Multimeter for testing - 3D printer bambu lab X1C - filament abs GF from bambu ⚡ CONFIGURATION: 5S2P (5 cells in series, 2 in parallel) = 18V nominal voltage, 6000mAh capacity Compatible with all Parkside 20V X-Team tools Original creator for the case file: :4688455