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Unik Systems

2S 20A 7.4V / 8.4V 18650 Lithium Battery Protection Board with Balance

—
₹65.00
(Inc. GST)
  • •Feature: � WIRING GUIDE – How to Connect 2S Battery Pack
  • •� Board Terminals (Typical Marking) B: → Battery negative (Cell 1 −) B1 → Between Cell 1 & Cell 2 B+ → Battery positive (Cell 2 +)
  • •� Output / Charger Terminals P: → Load / Charger negative P+ → Load / Charger positive (same as B+) 🔧 Connection Steps Connect Cell 1 negative → B- Connect Cell 1 positive / Cell 2 negative → B1 Connect Cell 2 positive → B+ Connect Load & Charger + → P+ (or B+) Connect Load & Charger − → P-
  • •⚠️ Use only matched 18650 cells and an 8.4V Li: ion charger.
  • •This board provides complete protection and automatic cell balancing to ensure safe charging, stable discharging, and long battery life
  • •Multiple protection features including over-charge, over-discharge, over-current, and short-circuit protection ensure maximum safety during operation
  • •Compact in size and easy to wire, this BMS is ideal for both DIY users and professional battery pack manufacturers
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SKU: ET05084
Categories: All, Power & Components
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Description

The 2S 20A 7.4V / 8.4V 18650 Lithium Battery Protection Board with Balance is a high-grade, precision-tested electronic component designed for reliable performance in prototyping, education, industrial control, and custom hardware engineering.

🔹 Key Features

  • •This board provides complete protection and automatic cell balancing to ensure safe charging, stable discharging, and long battery life
  • •Multiple protection features including over-charge, over-discharge, over-current, and short-circuit protection ensure maximum safety during operation
  • •Compact in size and easy to wire, this BMS is ideal for both DIY users and professional battery pack manufacturers

🔹 Technical Specifications

Feature:� WIRING GUIDE – How to Connect 2S Battery Pack
� Board Terminals (Typical Marking) B:→ Battery negative (Cell 1 −) B1 → Between Cell 1 & Cell 2 B+ → Battery positive (Cell 2 +)
� Output / Charger Terminals P:→ Load / Charger negative P+ → Load / Charger positive (same as B+) 🔧 Connection Steps Connect Cell 1 negative → B- Connect Cell 1 positive / Cell 2 negative → B1 Connect Cell 2 positive → B+ Connect Load & Charger + → P+ (or B+) Connect Load & Charger − → P-
⚠️ Use only matched 18650 cells and an 8.4V Li:ion charger.

🔹 Pin Configuration & Wiring

🔹 Applications

This component is engineered and suitable for:

  • •Microcontroller interfacing (Arduino, ESP32, Raspberry Pi, STM32)
  • •IoT telemetry, environmental monitoring, and smart home systems
  • •Robotics navigation, obstacle detection, and motion sensing
  • •STEM education, university electronics labs, and maker prototyping

🔹 Package Includes

  • ✓1 × 2S 20A 7.4V / 8.4V 18650 Lithium Battery Protection Board with Balance

Wholesale Tiered Pricing

Robotics & SCM Bulk Discount
Selected Quantity:
Subtotal: ₹65.00 Inc. GST

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