Home 4S 18650 BMS Protection Board 16.8V 20A with Balancing
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4S 18650 BMS Protection Board 16.8V 20A with Balancing

SKU: CDN-BMS-4S Brand: Compoden Category: Power
Rs. 89.00
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Battery management board for a 4-cell (4S) 18650 series pack. Provides overcharge, over-discharge, overcurrent and short-circuit protection with cell balancing — making a 4-cell series holder into a safe rechargeable 14.8V pack.

  • Pack: 4S Li-ion, 14.8V nominal / 16.8V full
  • Continuous current: 20A
  • Charge via the pack terminals with a 16.8V DC charger — no balance tap needed
  • Pairs with: 4-Cell 18650 Series Holder + 4× 18650 cells + 16.8V 1A charger

Ask Soldr above what you can build with this — it knows every Compoden kit this part appears in.

Shipping Information

  • Prepaid Orders: ₹75 for orders up to ₹999, FREE shipping above ₹999
  • COD Orders: ₹125 shipping + ₹50 COD fee = ₹175 total
  • Delivery Timeline: Dispatch in 3-7 days, delivery in 2-7 days depending on location

Returns & Warranty

  • 7-Day Return: Manufacturing defects only (approval required)
  • Warranty: 7 days from delivery
  • Non-Returnable: Batteries, consumables, cut wires, clearance items

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