BMS LFP 4S 20A (SLCT) (7fd4)

SLCT BMS LFP 4S 20AMP Hardware

Product Data Sheet

The BMS LFP 4S 20A (SLCT) is a high-performance Battery Management System designed for LiFePO₄ (Lithium Iron Phosphate) batteries configured in a 4S (4 cells in series) setup. Ideal for 12.8V battery systems, this advanced 20A BMS provides precise protection and performance optimization for a variety of Battery Energy Storage Devices (BESD).

Technical Specifications

• This Data sheet is for Lichtronics 4S 20A LiFePo4 PCM/BMS
• Charging Voltage - DC:14.4V CC/CV
• Max continuous charging current - 20A
• Over charge detection voltage - 3.65±0.05V
• Over discharge detection voltage -2.33±0.1V
• Over current detection current - 22.5±3A
• Operating Temperature- -45°C --+65°C
• Storage Temperature- -45°C -- +85°C

Key Features

Advanced Safety System

• Overvoltage & Undervoltage Protection
• Current Overload & Short Circuit Protection
• Temperature-resistant design for reliable operation
• Passive balancing helps maintain equal cell voltage for longer life

Convenient Design

• Pre-mounted JST-style connector simplifies cell wiring
• Clearly marked P+ / P- terminals for straightforward integration
• Lightweight and compact, fits into compact enclosures easily

Ideal Applications

• Solar energy storage packs (12.8V)
• E-bikes, scooters, and DIY mobility devices
• Home energy solutions / inverter banks
• Tool battery packs and robotic applications
• 12V LED lighting systems and UPS modules