Home » Products » PCM / BMS » 6-10S » 3s~7s 20A PCM BMS for 24V 25.2V 25.9V Li-ion/Lithium/ Li-Polymer 21V 22.4V LiFePO4 Battery Pack with Hdq or I2c Communication Protocol (PCM-L07S20-F47)
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3s~7s 20A PCM BMS for 24V 25.2V 25.9V Li-ion/Lithium/ Li-Polymer 21V 22.4V LiFePO4 Battery Pack with Hdq or I2c Communication Protocol (PCM-L07S20-F47)

Model No:PCM-L07S20-F47
Working current:20A
Size:L142*W117*T10mm
Balance:YES
Availability:
Quantity:
  • PCM-L07S20-F47
  • QUAWINTEC/OEM
  • 8507909000
  • Shenzhen, China
  • L/C, T/T, D/P, Western Union, Paypal, Money Gram
  • white box/polybags/at your request outer package:carton
  • 500PCS
  • 500000/Month
Technical parameter

Product name:Protection Circuit Module
Model No:PCM-L07S20-F47
For 7S Lithium-ion/Lithium Polymer/LiFePO4 Battery Packs

Product Feature:
1. Suitable for 7 section Lithium-ion/Lithium Polymer/LiFePO4 Battery Packs;
2. Connect the special upper computer software to display the total voltage, battery voltage, capacity, current, temperature, cycle times and other parameters;
3. Support HDQ or I2C communication protocol;
4. The metering IC adopts TI BQ34Z100 series, which can read voltage, capacity, current, temperature, cycle times and other parameters;
5. Over charge, over discharge, short circuit, over current, temperature protection, etc.;
6. The maximum continuous working current is 20A, and the charge and discharge are at the same port;
7. Secondary current/voltage protection;
8.MOSFET protection control positive pole;

Protection Circuit Module Specifications  For 25.9V Li-ion/Li-Po  Battery  Pack
No Test   item
(Test at normal temperature 25±2ºC and relative humidity≤90%)
Criterion
1 Communication Interface HDQ or I2C
2 Capacity Designing battery capacity(PCM) 20Ah
Max capacity(Battery pack)   290000mAh
Min capacity(Battery pack)   100mAh
External capacity Indication LCD,LED
Gas gauge algorithm   Impedance Track
3 Voltage Charging voltage DC: 29.4V CC/CV(4.2V/1cell)
Cell-balance detection voltage
(Charge balance)
4.2V±0.03V
Cell-balance release voltage   4.2V±0.025V
Cell-balance detection delay time 0.96~1.4s
4 Current Balance current for single cell 84±5mA
Normal operating-mode current
(Gas Gauge IC)
160 uA
SLEEP operating-mode current
(Gas Gauge IC)
80 uA
FULL SLEEP operating-mode current
(Gas Gauge IC)
25 uA
Maximal continuous charging current   20A
Maximal continuous discharging current   20A
5 Over charge Protection Over charge detection voltage 4.25±0.025V
Over charge release voltage 4.05±0.05V
Over charge detection delay time 10~200mS(can adjust)
6 Over discharge protection Over discharge detection voltage 2.5±0.07V
Over discharge release voltage 3.3±0.1V
Over discharge detection delay time 0.5~2S(can adjust)
7 Over current protection Over current detection voltage 0.2±0.015V
Over current detection current 50±10A(can adjust)
Detection delay time   5~60mS(can adjust)
Release condition Cut load ,
8 Short protection Detection condition Exterior short circuit  
Detection delay time 200-800us
Release condition Cut load ,
9 Resistance Protection  circuitry  (MOSFET) ≤50mΩ
10 Temperature Operating Temperature Range   -40~+85ºC
Storage Temperature Range -40~+125ºC
Dimension L142*W117*T10mm
B+:Battery+ 3s~7s 20A PCM BMS for 24V 25.2V 25.9V Li-ion/Lithium/ Li-Polymer 21V 22.4V LiFePO4 Battery Pack with Hdq or I2c Communication Protocol (PCM-L07S20-F47)
B-:Battery-
SDA:Serial Data interface
SCL:Serial Clock interface
HDQ:Open drain HDQ Serial
communication line (slave)
P+:Charge+/discharge+
P-:Charge-/discharge

3s~7s 20A PCM BMS for 24V 25.2V 25.9V Li-ion/Lithium/ Li-Polymer 21V 22.4V LiFePO4 Battery Pack with Hdq or I2c Communication Protocol (PCM-L07S20-F47)3s~7s 20A PCM BMS for 24V 25.2V 25.9V Li-ion/Lithium/ Li-Polymer 21V 22.4V LiFePO4 Battery Pack with Hdq or I2c Communication Protocol (PCM-L07S20-F47)3s~7s 20A PCM BMS for 24V 25.2V 25.9V Li-ion/Lithium/ Li-Polymer 21V 22.4V LiFePO4 Battery Pack with Hdq or I2c Communication Protocol (PCM-L07S20-F47)3s~7s 20A PCM BMS for 24V 25.2V 25.9V Li-ion/Lithium/ Li-Polymer 21V 22.4V LiFePO4 Battery Pack with Hdq or I2c Communication Protocol (PCM-L07S20-F47)3s~7s 20A PCM BMS for 24V 25.2V 25.9V Li-ion/Lithium/ Li-Polymer 21V 22.4V LiFePO4 Battery Pack with Hdq or I2c Communication Protocol (PCM-L07S20-F47)3s~7s 20A PCM BMS for 24V 25.2V 25.9V Li-ion/Lithium/ Li-Polymer 21V 22.4V LiFePO4 Battery Pack with Hdq or I2c Communication Protocol (PCM-L07S20-F47)3s~7s 20A PCM BMS for 24V 25.2V 25.9V Li-ion/Lithium/ Li-Polymer 21V 22.4V LiFePO4 Battery Pack with Hdq or I2c Communication Protocol (PCM-L07S20-F47)3s~7s 20A PCM BMS for 24V 25.2V 25.9V Li-ion/Lithium/ Li-Polymer 21V 22.4V LiFePO4 Battery Pack with Hdq or I2c Communication Protocol (PCM-L07S20-F47)