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Product Details:
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| Keywords: | Battery BMS Board | Base Material: | FR-4 |
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| Copper Thickness: | 1/2OZ 1OZ 2OZ 3OZ | Board Thickness: | 2mm |
| Min. Hole Size: | 0.1mm | Min. Line Width: | 0.065mm |
| Min. Line Spacing: | 0.065mm | Surface Finishing: | HASL |
| Product Name: | Battery Management Systems | Application: | Battery Packs |
| Usage: | Lithium Battery Packs | Number Of Layers: | 1-2-4-6 Layers |
| Communication: | No | Size: | 125*62*17MM |
| Weight: | 0.185kg | Selling Units: | Single Item |
| Single Package Size : | 13X8X9 Cm | Single Gross Weight: | 0.300 Kg |
| Package Type: | Bubble Pack And Carton | Brand: | Passional |
| Highlight: | 72V Battery BMS Board,21S Lithium BMS Board,Common Port Lithium BMS Board |
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21S 72V 70A Battery BMS Board Common Port With Balance
Battery BMS Board Description:
In order to protect the life of the lithium battery pack, it is recommended that the charging voltage of the battery should not exceed 3.65v at any time, that is, the protection voltage of the lithium battery protection board should not be higher than 3.65v, the balance voltage is recommended to be 3.4v-3.5v, and the battery discharge protection voltage Generally above 2.5v. can. The recommended maximum voltage for appliances is 3.5 strings. The greater the self-discharge, the longer the time required for equalization. Batteries with excessive self-discharge are difficult to balance and need to be eliminated. Therefore, when choosing a lithium battery protection board, try to choose 3.6v overvoltage protection, and start to balance around 3.5v.
Battery BMS Board Parameter:
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Over Charge Protection
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Balance voltage
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Overcharge detection voltage
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4.25±0.05V | Balance Detection voltage | 4.18V |
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Overcharge detection delay time
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1s | Balance release detection voltage | 4.18V |
| Overcharge release voltage | 4.154±0.05V | Balance current | 30±5mA |
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Over-Discharge Protection
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Overcurrent Protection | ||
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Over-discharge detection voltage
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2.7±0.01V
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Overcurrent protection current | - |
| Over-discharge detection delay time |
IMS
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Overcurrent detection delay time | 1s |
| Over-discharge release voltage |
3.0±0.1V
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Release condition
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Cut short load |
| Short cycle protection | Temp. Protection | ||
| Detection condition | Out load short cycles | Charge protection Temp. | -5-50°C |
| Detection delay time | 300±30 | Discharge protection Temp. | -20-70°C |
| Release condition | Cut load | NTC thermal sensor | |
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Self-consumption
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Working Temp.
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| Current consumption in normal operation | <100uA | Temperature. range | -40/80℃ |
| Sleep current(over-discharge) | ≤20uA | ||
Battery BMS Board Service:
1. OEM Manufacturing welcome: Product, Package...
2. Sample order
3. Quick reply, We will reply to your inquiry within 24 hours.
4. Our patent repair device helps you solve the battery lifetime as well as the maintenance problem, cutting your aftersale cost.
Contact Person: Mrs. Nancy Ouyang
Tel: +86-15889650159
