12 Volt BMS LiFePO4 Battery Management System Smart 4S 100A With Uart (BMS)
12 Volt BMS LiFePO4 Battery Management System Smart 4S 100A With Uart (BMS) for Electric scooters, bicyles, motor cycles and Tricycles
- Category: Battery Management System
- Tag: Battery Management System BMS
Product Summary
1. Professional high current wiring design & workmanship, thus can withstand the shock of high current
2. Using fully enclosed heat-dissipating glue and a double-sided heat dissipation design, heat is dissipated in time, and the heat dissipation effect is better than others.
3. bms lifepo4 4s 100a 12v has Dustproof, shockproof, anti-squeezing, and other protective functions
4. Complete overcharge, over-discharge, over current, short circuit, and equalization functions
Product Details
Electrical Parameters
No | Description | Specification | Remarks | |
1 | Discharge | Continue discharge current | 100A | |
2 | Charge | Charge voltage | 14.6V | |
Charge current | 50A | |||
3 | Over charge protection | Over charge detect voltage | 3.75±0.05V | |
Over charge protection delay | 1S | |||
Over charge release voltage | 3.65±0.05V | |||
4 | Balance | Balance detect voltage | 3.2V | |
Balance current | 30±5mA | |||
Balance opening condition | 1. On a charge 2. Achieve balance detect voltage 3. Achieve 50mv | |||
5 | Over discharge protection | Over discharge detect | 2.2±0.01V | |
Over discharge detect delay | 1S | |||
Over discharge release voltage | 2.3±0.01V | |||
6 | Charging over current protection | Charging over current protection current | 150±15A | |
Over Charge current detect delay | 1S | |||
Over Charge current protection release condition | Off load | |||
7 | Discharge over current protection | Discharge over current protection current | 150±15A | Can set as required |
Over discharge current detect delay | 1S | Can set as required | ||
Over discharge current protection release condition | Off load | |||
8 | Short Circuit protection | Short Circuit protection condition | Short circuit of external load | |
Short circuit detect delay | 320uS | |||
Short circuit protection release | Off load | |||
9 | Temp Protect | Charge Temperature protection degrees | -40~65℃ | Recover-35℃ Recover 60℃ |
discharge Temperature protection degrees | -40~70℃ | Recover-35℃ Recover 65℃ | ||
Release Condition of temperature protection | Recovery temperature reached and load disconnected | |||
10 | Means of communication | UART | ||
11 | Inner Resistance | Main Circuit Conduct Inner resistance | <20mΩ | |
12 | Self Consumption | Working current | 20mA | |
Sleeping current | 800uA | |||
13 | Working Temp | Temp range | -20~70℃ | |
14 | Storing Temp1 | Temp range | -40~80℃ | |
BMS wiring Connection
bms lifepo4 4s 100a 12v Product picture
Interface definition: interface faces forward towards itself, with the 1P on the right being the 1st foot
Interface | Function | PIN | Description | Remark |
Battery acquisition equalizer interface | B00 | 1 | Battery Total Negative | 5pin |
B01 | 2 | Battery positive electrode 1 | ||
3 | Battery positive electrode 2 | |||
4 | Battery positive electrode 3 | |||
…… | …… | …… | ||
…… | …… | The last positive pole of the battery | ||
Temperature sensor input port | T1 | 1 | 1# Temperature Line | Standard |
GND | 2 | Common Temperature Line | ||
T2 | 3 | 2# Temperature Line | ||
UART interface | GND | 1 | GND | |
3.3V | 2 | Bluetooth module power supply 3.3 V | ||
12V | 3 | Power supply 15 V GPS module | ||
NC | 4 | / | ||
TX | 5 | Bluetooth communication Sending end | ||
RX | 56 | Bluetooth communication Receiving end | ||
485 interface | 485T_B | 1 | 485 Communications B | Optional |
2 | 485 Communications A | |||
AGND | 3 | GND | ||
/ | 4 | |||
/ | 5 | |||
Monitor | GND | 1 | GND | Standard |
RX | 2 | Monitor Receiving end | ||
TX | 3 | Monitor Sending end | ||
Key switch | KEY | 1 | key switch | Optional |
GND | 2 | GND | ||
Reserve the DIO interface | GND | 1 | GND | Optional |
DI0 | 2 | Switching signal |