How to Prolong the Life of an 18650 Battery : 7 Steps - Instructables

DYI 18650 Battery Pack

12V Lithium-Ion-18650 55ah Portable Battery : 16 Steps (with Pictures) - Instructables

REUSE YOUR OLD LAPTOP BATTERY TO MAKE a POWER BANK : 9 Steps (with Pictures) - Instructables

DIY Professional 18650 Battery Pack : 12 Steps (with Pictures) - Instructables

Customized Lithium Battery Packs for E-Bike : 11 Steps (with Pictures) - Instructables

Repairing 12v 9Ah Lead Acid Battery and Adding More Capacity : 11 Steps (with Pictures) - Instructables

DIY Arduino Battery Capacity Tester - V1.0 - 12 Steps (With Pictures) - Instructables, PDF, Resistor

DIY 18650 Lithium Ion Cells Charging Grid : 7 Steps (with Pictures) - Instructables

Explaining Lithium-ion Batteries (18650 Cell for Diy Projects) : 12 Steps - Instructables

Explaining Lithium-ion Batteries (18650 Cell for Diy Projects) : 12 Steps - Instructables

DIY Battery Pack for FPV (recycling 18650 Cells From a Laptop) : 9 Steps (with Pictures) - Instructables

How to Make 9v Battery Pack Using 18650 : 7 Steps - Instructables