3S-40A Li-ion Lithium Battery Charger Protection Board 18650 BMS Enhance/Balance Version pcba
(CY-287 Enhance Version ; CY-288 Balance Version)
Scope of application: Suitable for lithium batteries with nominal voltage of 3.7V and full voltage of 4.2V (including 18650, 26650, polymer lithium batteries, without limitation of shape and size)
Product Size: 41*55*3.4mm(Enhanced Version) 41'60*3.4mm (Balanced Version)
Product quality: 8.8g (enhanced version) 9.8g (balanced version)
Charging Voltage: 12.6V~13.6V
Continuous discharge current (upper limit): 40A ( if the heat dissipation environment is not good, please reduce the use of load current)
Continuous charging current(upper limit): 20A
Enhanced version: suitable for electric drills with starting current below 80A and power below 170W
Balanced version: suitable for electric drills with starting current below 80A and power below 170W. with balanced charging function
| Project |
Minimum |
Typical |
Maximum |
Unit |
Remarks |
| Self consuming current |
12 |
18 |
24 |
uA |
|
| Overcharge protection voltage |
4.2 |
4.25 |
4.3 |
V |
|
| Equilibrium start-up voltage |
4.17 |
4.2 |
4.23 |
V |
Balanced version |
| Balanced current |
95 |
100 |
105 |
mA |
|
| Equilibrium heating power |
1..17 |
1.29 |
1.43 |
W |
|
| Overcharge recovery voltage |
4.1 |
4.15 |
4.2 |
V |
|
| Over-discharge protection voltage |
2.4 |
2.5 |
2.6 |
V |
|
| Back-up Voltage after Over-discharge Protection |
2.8 |
3 |
3.2 |
V |
1C discharge |
| Back-up Voltage after Over-discharge Protection |
3.2 |
3.5 |
3.8 |
V |
2C discharge |
| Over-discharge recovery voltage |
2.9 |
3.2 |
3.3 |
V |
|
| Conductive internal resistance |
2.5 |
3 |
3.5 |
mΩ |
|
| Overcurrent protection current |
70 |
80 |
90 |
A |
|
| Overcurrent delay time |
100 |
150 |
200 |
mS |
|
| Continuous working current |
0 |
40 |
40 |
A |
Resistive load |
| Continuous output power |
0 |
504 |
504 |
W |
Resistive load |
| Ambient temperature |
-40 |
25 |
85 |
℃ |
|
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