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Lithium smart PCM for 16S-20S with Bluetooth and Android App

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Availability: In stock

Quick Overview

Smart BMS for 16S~20S LiFePO4 or Lithium-ion batteries. You can check or modify your battery parameter by your mobile or computer with its Android(4.3 or above) or blue tooth(4.0). The max current can be 50A for this BMS.


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Smart BMS for 16S, 17S, 18S, 19S and 20S lithium batteries(Li-ion or LiFePO4). This PCM can work with computer and Android system mobile by using the blue tooth(4.0) or Android (4.3  or above) APP.

Function Testing item Testing condition Parameter Unit
Min Suggested Max
Overcharge Overcharge protection voltage  charging 4.22 4.25 4.28 V
Overcharge protection delay time / 500 1000 1500 mS
Overcharge protecting release voltage / 4.1 4.15 4.2 V
Balancing BalancingVoltage difference / 4.17 4.2 4.23 V
Balancing start voltage / 30 mV
Balancing  current  / 50 60 mA
Charging current Charging current / 15 A
Over-temp for charging High Temp protection for charging / 62 65 68
Recover from high temp / 52 55 58
Low Temp protection for charging / -12 -10 -7
Recover from low temp / -3 0 3
Over discharge Over-discharge protection voltage disharging 2.42 2.5 2.58 V
Over-discharge protection delay time / 500 1000 1500 mS
Over-discharge protection release voltage / 2.7 2.8 2.9 V
Discharge current Max  continuous discharging current / 30 A
Over discharging protection Over discharging protection current / 55 60 65 A
Over discharging recover Over discharging recover / 32 S
Short circuit Short-circuit protection / 150 200 250 A
Short-circuit protection delay time / 200 400 800 mS
Short-circuit protection recover / Disconnect load for 32seconds
Over-temp for discharging High Temp protection for discharging / 67 70 73
Recover from high temp / 57 60 63
Low Temp protection for discharging / -12 -10 -7
Recover from low temp / -3 0 3
impedance impedance for loop current / 10 mR
Internal power consumption Normal condition with communication mode 20 mA
Sleeping  150 200 Ua
Sleeping delay time 8 10 S

The testing for the BMS may take a few days, therefore the leadtime for the BMS is about a week.

If you need connection diagram and software for the BMS, please download from here.

Additional Information

dimension 100x90x15mm
net weight 0.3
Manufacturer No

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