BMS 17S 30A

BMS 17S 30A

Overview

• BMS 17S 30A is a high-performance battery management system designed specifically for 17-series (17S) lithium battery packs. This module plays a vital role in ensuring safe operation, stable performance, and long service life for high-voltage lithium-ion or lithium-polymer battery systems. It is widely used in electric mobility, energy storage, and industrial power applications where reliability and protection are essential.

• BMS 17S 30A supports a continuous discharge current of up to 30 amperes, making it suitable for medium to high-power systems. By managing charging, discharging, and cell balancing processes, it helps users build efficient and secure battery packs without complex external protection circuits.

Advanced Protection Functions

• This BMS provides comprehensive protection against the most common battery faults. It actively monitors each cell to protect against over-charge, over-discharge, over-current, and short-circuit conditions. Therefore, it significantly reduces the risk of battery damage, overheating, or catastrophic failure.

• In addition, the fast-response protection logic disconnects the load or charger immediately when abnormal conditions occur. As a result, both the battery pack and connected equipment remain protected during unexpected events.

Cell Balancing and Battery Health

• BMS 17S 30A includes an integrated cell balancing function that equalizes voltage differences between the 17 cells during charging. This balancing process ensures that all cells reach full charge evenly.

• Moreover, proper cell balancing prevents individual cells from becoming overstressed or degraded faster than others. Consequently, the entire battery pack maintains better capacity consistency, improved efficiency, and a longer overall lifespan.

Design and Integration

• The module features a robust PCB design with clearly labeled terminals for battery connections, balance wires, charging, and load outputs. This organized layout simplifies installation and reduces wiring errors, even in complex high-cell-count battery packs.

• Furthermore, BMS 17S 30A is engineered for low standby power consumption. This characteristic helps preserve battery energy when the system is idle, which is especially important for stored or backup energy systems.

Performance and Reliability

• Designed to handle higher system voltages, this BMS is ideal for applications such as electric bicycles, scooters, power tools, and energy storage systems. Its stable current handling and accurate voltage monitoring ensure consistent performance under varying load conditions.

• Additionally, the durable electronic components and thermal design support continuous operation in demanding environments.

Typical Applications

• Electric bikes and electric scooters

• High-voltage lithium battery packs

• Energy storage and backup power systems

• Electric mobility and DIY EV projects

• Industrial and embedded power solutions

Key Features

• Designed for 17S lithium battery packs

• Maximum continuous discharge current: 30A

• Over-charge and over-discharge protection

• Over-current and short-circuit protection

• Integrated cell balancing function

• Stable operation for high-voltage systems

• Compact and reliable PCB design

Datasheet (Technical Specifications)

• Product Type: Battery Management System (BMS)

• Configuration: 17S (17 cells in series)

• Maximum Continuous Current: 30 A

• Battery Type: Lithium-ion / Lithium polymer

• Over-Charge Protection Voltage: Approx. 4.25 V per cell

• Over-Discharge Protection Voltage: Approx. 2.5 V per cell

• Balancing Function: Yes

• Short-Circuit Protection: Supported

• Standby Current: Low power consumption

• Operating Temperature: Suitable for standard electronic and outdoor environments