Protection Circuit Module (PCM) for 7.4V Li-ion (18650/18500) Battery Packs 5A limit with balance function
| Protection Circuit Board Specifications For 7.4V Li-ion/Li-po Battery Pack | ||||
| Model:PCM-S2A5B 7.4V5A | ||||
| No. | DESCRIPTIONS | Meters | ||
| 1 | Voltage | Charging voltage | DC: 8.4V CC/CV (4.2V/1cell) | |
| Cell-balance detection voltage | 4.20±0.025V | |||
| Cell-balance release voltage | 4.19±0.025V | |||
| 2 | Current | Cell-balance current | 42±3mA | |
| Current consumption for single cell | ≤20μA | |||
| Maximal continuous Charging current | 5A | |||
| Maximal continuous discharging current | 5A | |||
| 3 | Over charge Protection (single cell) |
Over charge detection voltage | 4.25±0.025V | |
| Over charge detection delay time | 0.5S-2S | |||
| Over charge release voltage | 4.05±0.05V | |||
| 4 | Over discharge protection (single cell) |
Over discharge detection voltage | 2.40±0.05V | |
| Over discharge detection delay time | 50-200mS | |||
| Over discharge release voltage | 3.0±0.01V | |||
| 5 | Over current protection | Over current detection voltage | 0.2V±0.015V | |
| Over current detection current | 14±2A | |||
| Detection delay time | 5ms-20ms | |||
| 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-) | ≤40mΩ | |
| 8 | Temperature | Operating Temperature Range | -40 to +85℃ | |
| Storage Temperature Range | -40 to +125℃ | |||
| 9 | Weight | 0.6Oz (17.0 grams) | ||
| 10 | Dimenstion | L x W x T | 32.5mm(1.28″) x 16.5mm(0.65″) x 1.85 mm(0.07″) | |
