MKBMS is based on the modular BMS of LTC68XX and STM32 MCU, and is connected to one or more slave boards and integrated integrated boards of different sizes through the ISOSPI interface. The modular BMS can be configured for various applications with battery voltages with 400V. MKBMS is developed based on the open source materials of DieBieMS and ENNOID BMS. Currently MKBMS is compatible with ENNOID firmware. Here, a special thanks to the developers of open source BMS materials. MKBMS HV Master Mini Board Features： With charger voltage measurement, humidity sensor, isolated on-board 5V power supply for isolating CAN bus interface and USB Type-C 100V to 400V operation Voltages measurements for load & battery pack Bi-directional current monitoring (up to 2500A pulsed, 500A continuous) Isolated charger detection circuit Isolated CAN bus interface Daisychain Master/Slave ISOSPI communication Single PCB pattern for bolt-on contactor It can internal power supply or external power supply voltage is 12V Integrated predischarge circuit USB & serial interface for configuring and firmware upgrades with the ENNOID-BMS-Tool OLED display output ON/OFF toggle switch input SWD burn debugging or update firmware interface MKBMS battery management system implements the following functions: Current and voltage protection: protect the battery pack from overcharge and overdischarge, thereby extending the cycle life. Battery health monitoring: monitor the internal resistance of a single battery and the monitoring capacity of the battery pack. Thermal management: Overheating and under-temperature protection with fan control for cooling or heating. Support batteries: Li-Ion, Li-Polymer, Li-Phosphate Intelligent battery balance: passive balance and active balance Rugged and anti-EMI Field programmable Current limit calculation Drift state of charge Reliability, speed and accuracy Integration with other devices Multiple BMS units connected in series Current sensor support Isolation from fault detection Automotive grade design, automotive grade locking connector Software for data logging and programming MKBMS can be roughly divided into three aspects: automobile, industry, and consumption． Shipping List: 1X   PCBA board MKBMS-HV Master Board2X   GH1.25 single head 2P line1X   GH1.25 double head 2P same direction line5X   HY2.0 single head 2P line2X   GH1.25 single head 5P line1X   GH1.25-5P to Dupont line1X   USB cable type-C data cable1X   2.0MM jumper cap1X   1.3 inch OLED display LCD screen module1X   Switch wiring diagram:

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Specifications: Model:  2299223-2 Power supply mode:  direct current Voltage:  381V-1000V Coil voltage:  12-24V Terminal pass voltage:  450-900V Long-term passing safety current:  500A Maximum current:  1000A Instantaneous current:  2000A Applicable object:  automotive relay Relay type:  electromagnetic relay   Typical application: DC high voltage high current applications Main contactors for hybrid,full battery electric vehicles and fuel-cell cars Battery charging system MKBMS Battery Management System       Package List: 1x    TE2299223-2 EVC500 Main Contactor 1X     HY2.0 single head 2P line  

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MKBMS 15-24S_120A BMS board is a full-function Li-ion battery protection board with passive balance. The continuous current can reach to 120A. It supports overcharge protection, overcharge protection, over current protection, ,over temperature protection, short circuit protection, etc. Extensive evaluation of e-bike, e-skateboard,electric motorcycles, e-scooters, electric balance cars and other fields.  Parameters: wiring: same port or different ports（When using the charging and discharging port, disconnect the p-） Battery type: li-ion battery (standard voltage 3.7V) Balance method: passive balance Number of battery strings: 15S-24S Overcharge voltage: 4.25V Overcharge recovery voltage: 4.15V Over-discharge threshold: 2.8V Over-discharge release: 3.0V Passive equalization turn-on voltage: 4.125V Charging current: 80A Discharge current: 120A Charging overcurrent: 200A Discharge overcurrent: 480A Charging protection temperature: 50°C Charging recovery temperature: <45°C Discharge protection temperature: 70°C Discharge recovery temperature: <60°C Size: 140*66*16mm For detailed parameters, please refer to “15-24S BMS Parameter Table” Feature: Balance function, fully activate the battery capacity No need to adjust parameters, the operation is easier Metal heat sink, more stable performance With locking cable arrangement, the wiring is more secure Function: Over charge protection Over discharge protection Overcurrent protection Short circuit protection Temperature control protection Balanced protection Static protection Load detection function Application : Electric skateboard Electric bicycle Smart balance car Electric Scooter Forklift Cleaning car Sightseeing car Energy storage Outdoor power supply Shipping list: 1X MKBMS Li-ion BMS Board 1X GH2.0 single head P line（with buckle） Operational matters: please ensure the correctness of the wiring sequence during wiring. Please arrange the lines in order from B0-B12, B13-B24. After the battery is fully powered, the voltage will reach a maximum of 100V. There is a risk of electric shock, so please pay attention to protection.

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Product Description-- Charging current: ≤10A Discharge current: 30A Internal resistance: ≤15mΩ Charging voltage:The number of Li-ion batteryin series connection X 4.2VWiring : Same Port   Overcharge protection—— Detection voltage: 4.25±0.025V Detection delay: 1000±500MS Release voltage: 4.15±0.05V Over-discharge voltage protection—— Detection voltage: 2.75±0.1V Detection delay: 1000±500MS Release voltage: 3.0±0.1V Balanced voltage—— Detection voltage: 4.15±0.025V Detection delay: 100±50MS Balance current: 42±5MA Over discharge current protection—— Detection voltage: 50±15MV Detection delay: 1000±500MS Current protection: 50±8A Short circuit protection-- Trigger condition: external short circuit Detection delay: 300us Release condition: disconnect the load Temperature control protection—— Charge and discharge over-temperature protection: 55℃ Charge and discharge high temperature release temperature: 75℃ Release condition:During normal working temperature Self-consumption—— Working power consumption: <35UA Over-discharge power consumption(Sleeping State): <10UA Operating temperature range: -30°~+80°C   Product Features-- Overcharge protection Over discharge protection Overcurrent protection Balanced protection Temperature control protection Applicablefor 4S-7S / 8S-14S Li-ion battery   Package—— 4S-7S: 1* 4-7S BMS PCBA board 1*HY2.0 single head 8P line Net weight:12.2g Weight:87g Size:47.6*32*9.2mm 8S-14S: 1* 8-14S BMS PCBA board 1*HY2.0 single head 7P line 1*HY2.0 single head 8P line Net weight:13.3g Weight:96g Size:47.6*32*9.2mm   ATTENTION—— 1. It is strictly forbidden to insert balance wires into BMS before connecting batteries.Must make sure that the cable is soldered correctly first , and then connect the BMS board. 2. The sequence of connecting wires for BMS: a.From thin black balance wire to stare, the 2ndwire(thin red wire)connect with the 1stbattery’s positive pole.Then connect each cell’s positive pole in order until the last one B+. b.Please do not insert the plug directly after the cable is connected.Measure the voltage between each two adjacent metal terminals on the back of the plug. If it is a ternary polymer battery, the voltage should be between 3.0 ~4.2V, and the voltage of the iron-lithium battery should be between 2.0 ~3.6V. The voltage should be between 1.5~2.75V. c.After confirming that the wiring sequence and voltage of the cables are correct, insert them into the socket of the protection board. Attentionplease: The cables of different manufacturers are not universal, please make sure to use the matching cables. 3. After the wiring is completed, measure whether the voltage of battery B+and B- ,andthe voltage of B-and C- are equal. If they are equal, the protection board is working normally and can be used normally. If it is not equal, please check the wiring again.

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MKBMS 4-14S_80A BMS board is a full-function Li-ion battery protection board with passive balance. The continuous current can reach to 80A. It supports overcharge protection, overcharge protection, over current protection, ,over temperature protection, short circuit protection, etc. Extensive evaluation of e-bike, e-skateboard,electric motorcycles, e-scooters, electric balance cars and other fields. Parameters:  Feature: Wiring : same port or different ports（When using the charging and discharging same port, disconnect the p-） Balance function, fully activate the battery capacity No need to adjust parameters, the operation is easier Metal heat sink, more stable performance With locking cable arrangement, the wiring is more secure Function: 1 .Over charge protection Over discharge protection Overcurrent protection Short circuit protection Temperature control protection Balanced protection Static protection Load detection function Application : Electric skateboard Electric bicycle Smart balance car Electric Scooter Forklift Cleaning car Sightseeing car Three-wheels car  Shipping list: 1X MKBMS（4/7/10/13/14）S 80A Li-ion BMS Board 1X GH2.0 single head（5/8/11/14/15）P line（with buckle） Operational matters: Please ensure the correctness of the wiring sequence during wiring.Please arrange the lines in order from B0-B14.After the battery is fully powered, the voltage will reach a maximum of 100V. There is a risk of electric shock, so please pay attention to protection.    

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Wiring Terminal Set Specification Brand: MAXKGO Material: copper, stainless steel Net Weight: 62g Package Weight: 100g Package Dimensions: 12cm*8cm*8.5cm Applies to: BMS low voltage master board Model Inside Diameter Outer Diameter Width Front End Thickness Hole Diameter  T90-25/8 7.1 9.5 14.0 16.0 2.0 8.3 Size :  90 degree angle terminal block / unit(mm)    Features Adopt copper material and stainless steel material. Not easy to rust. Hard to bend. No pollution to the environment. Good taste for collocation for it's beautiful lustre. Outstanding capabilities in anti-corrosion and anti-rust even in the humid environment. Enjoy wide application since it's safe and easy to use.  Package Lists 90 degree angle terminal block T90-25/8       X 4  (copper) M8*16 stainless steel round head screw         X 2  (stainless steel) M8*Stainless steel nut        X 2   (stainless steel) M8 copper gasket        X 4   (copper) EVC 500 Main Contacto

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