SP14S004 3.2V LFP 3.7V NMC 20A 30A 40A 50A Smart BMS 7S-14S
SP14S004 3.2V LFP 3.7V NMC 20A 30A 40A 50A Smart BMS 7S-14S
Strings Number：7S~14S
Battery Type：LFP、NMC
Continuous Current：20A~50A
Balanced Function：yes
Product Size：63±0.5mm * 52±0.5mm * 9±1mm
Product classification：Intelligent lithium battery protection board - Electric Bicycle/Motor BMS
Production introduction of SP14S004 Smart BMS
SP14S004 is a software protection board scheme specially designed for 7~14 series lithium battery packs. The Products supports automatic identify 8S-14S LCO LFP NMC battery packs and with 20A-50A continuous current for choice. BTW, SP14S004 smart bms also supports multiple communication function, it with UART and build-in bluetooth, which allow customers use it to communicate with both PC or APP.The whole system adopts O2 front-end acquisition chip + Bluetooth MCU scheme, and some parameters can be flexibly adjusted through the upper computer according to the needs of customers.
Basic Parameter of SP14S004 Smart BMS - 7S 8S 9S 10S 11S 12S 13S 14S LiFePO4 BMS with UART BT
| Cell Specifications | 7~14 strings of Lithium Iron Battery |
| Interface Type | Charging & Discharging are both at the same port |
| Charging Voltage | 3.6V * Number of strings |
| Cell Voltage Range | 2.2V~3.75V |
| Continuous Charging Current | 20A~50A |
| Continuous Discharging Current | 20A~50A |
| Consumption of Running | ≤10mA |
| Consumption of Sleep | ≤500uA |
| Circuit Resistance | ≤10mR |
| Operating Temperature | -20℃~75℃ |
| Structure of the BMS | |
| Size | 63±0.5mm * 52±0.5mm * 9±1mm |
Basic Parameter of SP14S004 Smart BMS - 7S-14S Li-ion BMS with UART Bluetooth
| Cell Specifications | 7~14 strings of ternary lithium batteries |
| Interface Type | Charging & Discharging are both at the same port |
| Charging Voltage | 4.2V * Number of strings |
| Cell Voltage Range | 2.8V~4.25V |
| Continuous Charging Current | 20A~50A |
| Continuous Discharging Current | 20A~50A |
| Consumption of Running | ≤10mA |
| Consumption of Sleep | ≤500uA |
| Circuit Resistance | ≤10mR |
| Operating Temperature | -20℃~75℃ |
| Structure of the BMS | |
| Size | 63±0.5mm * 52±0.5mm * 9±1mm |
Functions of SP14S004 Smart BMS - 3.2V LFP 3.7V NMC Smart BMS
| Function | Configuration | Function | Configuration |
| Number of Strings Supported | 7S~14S | 485-communication (isolated) | / |
| Continuous Current | 20A~50A | UART interface (isolated) | / |
| Number of NTCs | 1 built-in, 1 external | CAN Communication | / |
| Balance Function | Passive | RS232 communication | / |
| UART Port(Non-isolated) | Standard Option | Interface of GPS | / |
| Switch function | Optional | Heating Function | / |
| Secondary Protection | / | The Bluetooth Module | Standard Option |
| Battery Packs in Parallel | Not Supported | Battery Packs in Series | Not Supported |
1. Bluetooth module .
2. UART Communication tools
About OH20SA01 Smart BMS - LFP NMC BMS 8S-20S 24V 36V 48V 60V 72V
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