1S 5A 3.7V 18650 Lithium ion Battery BMS
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1S 5A 3.7V 18650 Lithium ion Battery BMS

LWS® is a high-tech enterprise integrating the research and development, production, sales and client service of multi-series and power type lithium battery protection boards. Our 1S 5A 3.7V 18650 Lithium ion Battery BMS has passed CE, RoHS. We have been specialized in bms production for many years. Our products have a good quality advantage, both with high-precision E-Testing, 100% testing.

Model:LWS-1S5A-012

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Product Description


Product Introduction

As a professional high quality LWS® 1S 5A 3.7V 18650 Lithium ion Battery BMS manufacture, you can rest assured to buy 1S 5A 3.7V 18650 Lithium ion Battery BMS and we will offer you the best after-sale service and timely delivery. Our battery protection board always monitor the state of battery, when 4.25V or so to stop charging, the battery voltage is lower than 2.7 V or so to stop discharging, limit the output current, output short circuit to stop discharging, delay self-recovery, intelligent control of charging current, prevent damage to the battery, can greatly improve the service life of lithium battery.

Product Parameter (Specification)

PCM Specifications  For LWS® 3.7V(1S) Li-ion Battery Packs

No. Test item Criterion
1 Voltage Charging voltage DC4.2V
Single balanced voltage
2
Current Balance current for single cell
Current consumption
≤10μA
Maximal continuous charging current 5A
Maximal continuous Discharging current 5A
3 Over charge Protection(single cell)
Overcharge detection voltage
4.25V±0.025V
Over charge detection delay time 0.7S—1.3S
Over charge release voltage for single cell 4.05±0.05V
4
Over discharge protection (single cell)
Over discharge detection voltage for single cell
2.50±0.062V
Over discharge detection delay time 14mS—26mS
Over discharge release voltage for single cell 3.0±0.1V
5
Over current protection
Over current detection voltage 0.20±0.02V
Charge Over current detection
10±3A
Detection delay time 7.2ms—11ms
Release condition Cut load
6

Short protection
Detection condition
Exterior short circuit
Detection delay time 200-500us
Release condition Cut load
7
Resistance Protection  circuitry(MOSFET)
≤50mΩ
8
Temperature
Operating Temperature Range
-40~+85℃
Storage Temperature Range
-40~+125℃

Product Feature and Application

1.High accuracy voltage detection circuitOur 1S 5A 3.7V 18650 Lithium ion Battery BMS is suitable for the following products:
Massager battery pack, 1S battery pack, LED light backup power, 3.7V electronic products, Solar street light battery pack, Monitoring backup power,and other products
.

Product Details

LWS 1S 3.7V 2A lithium ion BMS PCM 18650 Battery Protection Board PCB1S 5A 3.7V 18650 Lithium ion Battery BMS protects 1 lithium battery from overcharging, over-discharging, over-current, and short-circuit.
3.7V battery pack rated voltage, 4.2V battery pack full charge voltage, 3.6V battery pack rated voltage.
This board is not designed for high powered tools such as portable drills and alike.


Notes

1) Wire connection strictly according to the drawing, do not intentionally short circuit.1) Wire connection strictly according to the drawing, do not intentionally short circuit.
2) Before charged, need to connect the cables first.
3) When the group of battery is  connected in series, ensure that the voltage of each group of batteries voltage is the same. If not, fill each group of batteries separately before connecting them in series. In discharge tests, the group of cells with the fastest voltage drop is the differential cell.


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