MAXKGO-SS BMS is a full-featured battery protection board for electric vehicles, light electric vehicles, and electric skateboards. It is an intelligent mini BMS that integrates charging protection, discharge protection, overcurrent protection, temperature protection, and balance protection.（The factory default setting is 12S. If you need to change it, please modify it yourself.）
Firmware & software repositories are available click here： MAXKGO
Applicable battery voltage
Recommended Battery: 6S-12S
Operating Voltage Range per Cell: 2V-5V
Charging
Charging Voltage: 24V-52V
Charging Current: ≤50A
Maximum Supported Charging Voltage: 60V
Minimum Supported Charging Voltage: 14V
Overcharge Protection
Overcharge Detection Voltage: 2V-5V
Overcharge Protection Delay: ≥4ms
Overcharge Release Voltage: 2V-5V
Discharging
Discharge Current: ≤200A
Overcurrent Protection for Discharge: ≤200A
Discharge Voltage: 24V-52V
Overdischarge Protection
Overdischarge Detection Voltage: 0-5V
Overdischarge Release Voltage: 0-5V
Overcurrent Protection
Overcurrent Protection Delay for Discharge: ≥4ms
Overcurrent Protection Release Condition: Load Disconnect
Short Circuit Protection
Short Circuit Protection Condition: External Load Short Circuit
Short Circuit Detection Delay: 320µs
Short Circuit Protection Release Condition: Load Disconnect
Balancing Current : 86mA @4.2V
Temperature Protection
Temperature Protection: -20℃ to +120℃
Operating Temperature
Operating Temperature Range: -20℃ to +80℃
Storage Temperature
Storage Temperature Range: -20℃ to +100℃
Self-Consumption
Operating Current: ≤40mA
Sleep Current: ≤100µA
BMS Details
Includes: Overcharge Protection, Overdischarge Protection, Overcurrent Protection, Temperature Protection, Battery Capacity Detection, Battery Internal Resistance Detection, Thermal Management, Balancing Function
Balancing Method: Active Balancing and Passive Balancing
Short Circuit Protection: External Load Short Circuit
Short Circuit Protection Recovery: Load Disconnect
Battery Support: Supports nearly all lithium batteries including Li-ion, Li-polymer, LiFePO4, etc.
BMS Edge
Compact layout, ultra-mini size.
Automotive-grade monitoring and balancing IC with independent power supply for enhanced reliability.
Voltage detection of load, charger, and battery pack.
Bidirectional current monitoring.
SOC based on Coulomb counting.
Humidity sensor and circuit board temperature monitoring.
Charger circuit detection capability.
Integrated pre-charge circuit.
Features power button, USB-Type C, UART, I2C, and isolated CAN bus interfaces.
Onboard efficient 3.3V regulator powered by the main battery pack.
Uses high-current capacity automotive-grade screw connectors for main power connection.
Includes buzzer and LED display.
Aluminum alloy shell for improved heat dissipation.
Automotive-grade locking mechanism with reverse interlock to ensure secure connections.
Compatible with MAXKGO-BMS-TOOL and ENNOID-BMS-TOOL.
BMS Safety Features
Configurable under-temperature and over-temperature cutoff for charging and discharging.
Configurable under/over battery voltage cutoff.
Configurable overcurrent cutoff.
Configurable minimum pre-charge value.
High-side load and charger disconnect.
Transient voltage suppression on all inputs.
Secondary fuse on all balance channels, USB ports, and power supplies.
Package include：
1* PCB board
1* HY2.0 single-end 10-pin wire
1* HY2.0 single-end 13-pin wire
2* GH1.25 single-end 5-pin wire
1* GH1.25-5P to DuPont wire adapter
1* USB cable, Type-C data cable
1* 2.0MM jumper cap
1* 1.3-inch OLED display LCD module
1* 12MM 3-6V push-button switch
4* M5*8 stainless steel round head screws
2* M5*12 stainless steel round head screws
2* M5 copper nuts
6* M5 purple copper washers
6* 90-degree angled wire terminals T90-6/5 (purple copper)
2* fuses
Video:
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