HIT B22 21.6V 6‑Cell 18650 BMS – Complete DIY Battery Kit (Compatible Style)

DIY 21.6V battery pack kit compatible with B22‑style tools. This kit lets you build a 6‑cell pack (6S1P layout, 21.6V nominal) using 18650 cells, a protection/BMS board, and a purpose‑fit housing.

What’s included

• B22‑style battery shell/adapter
• BMS/PCM (protection & balancing)
• Nickel strip & wiring set
• Hardware & basic guide

Options

• Complete Kit (No Cells): Shell + BMS + nickel + hardware. Add your own 18650 cells.
• Complete Kit + Cells (Unassembled): Same kit plus brand‑new matched cells included. Buyer assembles pack.

Specs

• Configuration: 6S (21.6V nominal) using 6× 18650 cells (6S1P)
• Protections: over‑charge, over‑discharge, over‑current, short‑circuit; cell balancing
• Use: aftermarket/compatible style for B22‑class tools and chargers

Safety: DIY battery assembly requires proper tools and experience. Verify polarity, insulate welds, and test before use.

Compatibility note: Aftermarket/compatible style kit. Not affiliated with or endorsed by any OEM brand.