Product Category

My Basket $0.000

Weekly specials

Recently viewed products

Blog

BMS/PCM/PCB - Li-ion/Li-Polymer BMS PCM PCB

BMS D528 for 77.7V 21S Li-ion/Li-Polymer Battery Packs (20A Charge, 80A Discharge)

1. Battery management circuit board for 77.7V 21S Li-ion and Li-polymer battery pack.
2. BMS/PCB/PCM applies for 21 cells Li-ion/Li-polymer battery pack.
3. To prevent the battery packs from overcharge, overdischarge, over current, over temperature, short circuit.
4. The Maximal working current: 80A.
5. Compatible with both Li-ion and Li-Polymer cells.

We keep materials in stock only, we need around 3-7 days for samples productions.

Sale Price:$ Weight:230g Model:
Total cost:

Quantity: (stock:

  • Product detail
  • DownLoad

Item
Content Criterion
Model
HCX-D528LI21S80A-03 21S-80A working current
Voltage
Charging voltage 88.2V
Current
Maximal continuous charging current 20A
Maximal continuous discharging current 80A
Current consumption ≤50uA
Overcharge Protection
Over charge detection voltage 4.25V±0.02V
Over charge detection delay time 1S
Over charge release voltage 4.05V±0.05V
Over Discharge Protection
Over discharge detection voltage 2.70V±0.05V
Over discharge detection delay time 1S
Over discharge release voltage 2.90V±0.1V
Over Current Protection
(1st Protection)
Over current detection current 170±17A
Detection delay time 700mS
Release condition Cut load, automatically recover
Over Current Protection
(2nd Protection)
Over current detection current 240A±25A
Detection delay time 350mS
Release condition Cut load, automatically recover

Temperature Protection
(Multi NTC’s are available)

Charge overtemperature protection 50℃
Discharge overtemperature protection 70℃
Charge undertemperature protection 0℃
Discharge undertemperature protection -20℃
Short Circuit Protection
Short circuit detection current >=480A
Detection delay time 360uS
Release condition Cut load, automatically recover
Balance
Balance voltage for single cell 4.20V±0.025V
Balance current for single cell 126mA±15mA
Resistance
Inner resistance ≤20mΩ
Temperature
Operating temperature range 0~+85℃
Storage temperature range 0~+85℃
Size(L*W*H)
L120mm*W80mm*H20mm