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4S 40A Balanced Version 18650 Li-ion Battery Series 14.8V 16.8V BMS Charger Protection Module

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The 4S 40A Balanced Version 18650 Li-ion Battery Series BMS Charger Protection Module manages and protects four-series lithium-ion battery packs (14.8V to 16.8V). It supports up to 40A current and features balanced charging along with comprehensive protection against overcharge, over-discharge, overcurrent, and short-circuit conditions. Ideal for high-power applications such as electric vehicles and power tools, it ensures safe, efficient, and reliable battery operation.

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The 4S 40A Balanced Version 18650 Li-ion Battery Series BMS (Battery Management System) Charger Protection Module is designed to manage and protect four-series (4S) lithium-ion battery packs. With a nominal voltage of 14.8V and a fully charged voltage of 16.8V, this module supports a high current capacity of up to 40A. It includes balanced charging and comprehensive protection features such as overcharge, over-discharge, overcurrent, and short-circuit protection, ensuring safe, reliable, and efficient operation for high-power applications like electric vehicles, power tools, and portable electronics.

Specifications:

  • Battery Configuration: 4S (four-series) 18650 Li-ion batteries
  • Nominal Voltage: 14.8V
  • Fully Charged Voltage: 16.8V
  • Maximum Charging Current: 40A
  • Maximum Discharging Current: 40A
  • Overcharge Protection Voltage: 4.25V ± 0.05V per cell
  • Over-discharge Protection Voltage: 2.5V ± 0.05V per cell
  • Overcurrent Protection: 40A
  • Short-circuit Protection: Yes
  • Balance Current: 60mA (when voltage difference between cells is > 0.1V)
  • Dimensions: 60mm x 55mm x 3.5mm (approx.)
  • Weight: 15 grams (approx.)

4S 40A BMS

Key Features:

  1. High Current Capacity: Supports up to 40A charging and discharging currents, ideal for high-power applications.
  2. Balanced Charging: Ensures equal charging of each cell in the battery pack to maintain optimal performance and prevent imbalance.
  3. Comprehensive Protection: Provides overcharge, over-discharge, overcurrent, and short-circuit protection to ensure battery safety and longevity.
  4. Efficient Battery Management: Manages charging and discharging processes to maximize battery performance and lifespan.
  5. Robust Overcurrent and Short-circuit Protection: Automatically cuts off power to prevent damage to the battery and connected devices.
  6. Compact and Lightweight: Small size and low weight make it easy to integrate into various battery-powered devices and projects.
  7. Reliable Performance: Built with high-quality components to ensure stable and reliable operation under various conditions.
  8. Easy Installation: Clear input and output connections for straightforward integration into your battery pack and device.
  9. Wide Application Range: Suitable for use in DIY battery packs, electric vehicles, power tools, portable electronics, and other high-power applications.
  10. Durable Construction: Designed for long-term use with robust protection features to safeguard your battery pack.

The 4S 40A Balanced Version 18650 Li-ion Battery Series BMS Charger Protection Module is essential for ensuring the safe, efficient, and reliable operation of your high-power 4S battery packs. Its high current capacity and balanced charging features make it an excellent choice for demanding applications.

Weight 15 g
Dimensions 60 × 55 × 3.5 mm
  • Battery Configuration: 4S (four-series) 18650 Li-ion batteries
  • Nominal Voltage: 14.8V
  • Fully Charged Voltage: 16.8V
  • Maximum Charging Current: 40A
  • Maximum Discharging Current: 40A
  • Overcharge Protection Voltage: 4.25V ± 0.05V per cell
  • Over-discharge Protection Voltage: 2.5V ± 0.05V per cell
  • Overcurrent Protection: 40A
  • Short-circuit Protection: Yes
  • Balance Current: 60mA (when voltage difference between cells is > 0.1V)
  • Dimensions: 60mm x 55mm x 3.5mm (approx.)
  • Weight: 15 grams (approx.)

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