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Brand Name : Daly
Model Number : 4S-8S40A
Certification : FCC,CE,ROHS
Place of Origin : China
MOQ : 1 pc
Payment Terms : T/T, alibaba trade assurance
Supply Ability : 100 pcs per week
Delivery Time : 5-8 working days
Packaging Details : Carton
Product Name : LFP NMC LTO 4S-8S40A
current : 40A
Battery Type : Lifepo4 NMC LTO
Terminal : Screw terminal
Pack Voltage : 12V
Net weight : 200G
Application : Electric motorcycle, bike,solar energy storage
Port : comment port
Package : Carton/box
Dimension : 167.5*65.5*15mm
package size : 210*150*40mm
Daly active balancer BMS Lifepo4 NMC 4-8S40A Smart BMS Bluetooth
| Battery type | Li-ion,LiFePO4,LTO | 
| Battery strings | - Li-ion:4-8S/8-17S/8-20S - LiFePO4:4-8S/8-17S/8-24S - LTO:6-8S/8-17S/8-24S  |   		
| Cell voltage range | 1.5V-4.9V | 
| woring voltage range | >10V | 
| Balancing | active balancing | 
| Consumption | ≤1W | 
| Sleep current | ≤1.5mA | 
| woring temp | -40°C ~ 85°C | 
| Indicator light | - Green:Works properly - Red:Alarm or protection  |   		
| size | 167.5*65.5*15mm | 
| Model |   			 Compatible strings  |   			  			 Continuous dis current  |   			  			 Max dis current  |   			  			 Continuous charge current  |   			  			 Max charge current  |   		
|---|---|---|---|---|---|
| 8S 40A | 4-8 | 40A | 60A | 20A | 40A | 
| 8S 60A | 4-8 | 60A | 90A | 30A | 60A | 
| 8S 80A | 4-8 | 80A | 120A | 40A | 80A | 
| 8S 100A | 4-8 | 100A | 150A | 50A | 100A | 
| 17S 40A | 8-17 | 40A | 60A | 20A | 40A | 
| 17S 60A | 8-17 | 60A | 90A | 30A | 60A | 
| 17S 80A | 8-17 | 80A | 120A | 40A | 80A | 
| 17S 100A | 8-17 | 100A | 150A | 50A | 100A | 
| 24S 40A | 8-24 | 40A | 60A | 20A | 40A | 
| 24S 60A | 8-24 | 60A | 90A | 30A | 60A | 
| 24S 80A | 8-24 | 80A | 120A | 40A | 80A | 
| 24S 100A | 8-24 | 100A | 150A | 50A | 100A | 

| Interface name | PIN | Label | Definition | 
|---|---|---|---|
| NTC1 | 1 | GND | GND | 
| 2 | NTC-1 | 1#temperature cable | |
| 3 | GND | GND | |
| 4 | NTC-2 | 2#temperature cable | |
| NTC2 | 1 | GND | GND | 
| 2 | NTC-3 | 3#temperature cable | |
| 3 | GND | GND | |
| 4 | NTC-4 | 4#temperature cable | |
|   			 DO/DI parallel interface  |   			1 | DO | / | 
| 2 | GND | GND | |
| 3 | DI | / | |
| 4 | GND | GND | |
| 5 | / | / | |
| KEY interface | 1 | KEY+ | KEY switch positive | 
| 2 | / | / | |
| 4 | KEY- | switch negative | |
| UART | 1 | GND | GND | 
| 2 | 3.3V | power supply(3.3V) | |
| 3 | 12V | power supply(6-12V) | |
| 4 | SI | activate button | |
| 5 | RXDI | communication sending end | |
| 6 | TXDI | communication receiving end | 
| Interface name | Pin | label | difinition | 
|---|---|---|---|
| CAN/485 | 1 | 485B | 485 communication sender | 
| 2 | 485A | 485 communication receiver | |
| 3 | GND | Isolation ground GND | |
| 4 | CanH | CAN High | |
| 5 | CanL | CAN Low | 



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                        Daly active balancer BMS Lifepo4 NMC 4-8S40A Smart BMS Bluetooth Images |