JLGW BMS NMC 1S 2A ROUND

JLGW BMS NMC 1S 2A ROUND Hardware

Product Data Sheet

The BMS NMC 1S 2A ROUND (JLGW) is a high-precision, compact Battery Management System specially designed for single-cell NMC (Li-ion 3.7V) battery protection. This module is uniquely built in a round PCB layout, allowing it to seamlessly integrate into compact cylindrical battery designs or battery packs with limited space.

Technical Specifications

Parameter	Specification
Configuration	1S (Single 3.7V Li-ion Cell)
Battery Chemistry	NMC / Li-ion
Nominal Voltage	3.7V
Continuous Current	2A
Overcharge Protection	4.25V ± 0.05V
Over-discharge Protection	2.75V ± 0.05V
Short Circuit Protection	Yes (Instant cut-off)
Overcurrent Protection	Yes (~3A threshold)
Working Temperature Range	-20°C to +60°C
PCB Shape & Size	Round mini-PCBA with dual nickel strips
Mounting Style	Spot-Weld Tabs

Key Features

• •Space-Saving Round Design: Engineered for cylindrical cells and compact builds.
• •Intelligent Safety Circuitry: Built-in MOSFETs and ICs protect against all common faults.
• •2A Output: Suited for low-drain applications like wearables and IoT gadgets.
• •Nickel Strips Included: Pre-attached nickel makes welding and integration seamless.
• •Single Cell Protection: Manages charge-discharge cycles efficiently for 1S packs.

Ideal Applications

• •LED Flashlights
• •Cylindrical Battery Packs
• •DIY Battery Projects
• •Bluetooth Audio Devices
• •Small IoT Systems
• •Mini Power Banks

The PCM NMC 01S/2A ROUND is a Battery Protection Circuit Module (PCM) designed for 1 series Nickel Manganese Cobalt (NMC) battery packs, supporting a 2A continuous discharge current. This module is suitable for low-power applications such as small energy storage systems, backup power solutions, and portable devices. The round designation indicates that the PCM is designed for round-cell configurations, which are commonly used in battery packs for various consumer electronics. It offers essential protection features, including overcharge, over-discharge, overcurrent, short circuit, and temperature protection, ensuring the safe and reliable operation of the battery. The PCM helps maintain the health of the cells by balancing the voltage across them, optimizing performance and extending the battery's lifespan.