Protection Circuit Module (PCM) for LiFePO4 Battery Pack LFP26650 4 Series Connection 12.8V 4.0A
Parameters
| Protection Circuit Board Specifications For LiFePO4 Battery Pack * Optional 4S Li-ion/Li-po | ||||
| Model: PCM-S4A4 LFP 12.8V4A LFP26650 | ||||
| No. | Testing Items | Data | ||
| 1 | Voltage | Charging voltage | Li-ion: 16.8V CC/CV (4.2V/cell) LiFePO4: 14.4V CC/CV (3.60V/cell) |
|
| Balance voltage for single cell | N/A | |||
| 2 | Current | Balance current for single cell | N/A | |
| Current consumption for single cell | ≤50μA | |||
| Maximal continuous Charging current | 4A | |||
| Maximal continuous discharging current | 4A | |||
| 3 | Over charge Protection (single cell) |
Over charge detection voltage | Li-ion: 4.325±0.025V LiFePO4: 3.900±0.025V |
|
| Over charge detection delay time | 0.3S-2S | |||
| Over charge release voltage | Li-ion: 4.075±0.025V LiFePO4: 3.800±0.050V |
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| 4 | Over discharge protection (single cell) |
Over discharge detection voltage | 2.00±0.080V | |
| Over discharge detection delay time | 200-700mS | |||
| Over discharge release voltage | Li-ion: 2.9±0.05V LiFePO4: 2.50V±0.100V |
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| 5 | Over current protection | Over current detection voltage | 0.15V±0.025V | |
| Over current detection current | 10±2A | |||
| Detection delay time | 20ms-70ms | |||
| Release condition | Cut load | |||
| 6 | Short protection | Detection condition | Exterior short circuit | |
| Detection delay time | 200-800us | |||
| Release condition | Cut load | |||
| 7 | Resistance | Protection circuitry（B- TO P-） | ≤50mΩ | |
| 8 | Temperature | Operating Temperature Range | -40～+85℃ | |
| Storage Temperature Range | -40～+125℃ | |||
| 9 | Weight | 0.2Oz (5.7g) | ||
| 10 | Dimenstion | Dia x T | 26mm(1.02″) x 3 mm (0.12″) | |
