7S 24V 25A: GXHA0189-003
GXHA0189-003 refers to a specific model of a 7S 24V 25A Lithium Battery Protection Board (BMS). It is an electronic component used to manage and protect 7-string (25.9V/24Vdc nominal) lithium-ion battery packs.
 
Key Specifications
Configuration: 7S (7 Strings of cells in series)
Voltage: 24V / 25.9V nominal
Continuous Discharge Current: 25A
Built-in Protections: Overcharge, over discharge, overcurrent, short-circuit, and temperature protection (via an included NTC sensor)
Common Applications: Electric bikes (e-bikes), electric scooters, solar energy storage systems, and DIY power tool battery packs
 
 
Features:
Exquisite craftsmanship, stable heat dissipation
Over voltage protection Over discharge protection
Charging protection Short circuit protection
Over Current Protection Over Temperature Protection
Charge equalization Disconnection protection
 
Specification:
Type: Ternary/7S/24V
Wiring method: same port
Single battery over-discharge voltage: 2.7V±0.08V
Continuous working current: 25/20/15A (optional)
Instantaneous protection current: 60A
Overcurrent Recovery Condition: Charge Recovery or Load Disconnect
Short circuit recovery conditions: charging recovery or load disconnection
Single battery overcharge voltage: 4.25V±0.025V
Continuous charging current: 20/15/10A (optional)
Charge balance voltage: 4.15V±0.025V
Charge equalization current: 40mA
Charger voltage: 30V (recommended)
Over-charging temperature: 50℃
Discharge over temperature: 70℃
Working power consumption: 30μA
Main circuit on-resistance: 20mΩ
Temperature range: -40 to +80°C
Disconnection protection: yes
Cable size: 2.0MM spacing / 40CM length