18650 2S4P Li ion 7.4V 8.8Ah Battery Pack with Sanyo UR18650A battery cell
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- Supplier: Shenzhen Smartec Technology Co. Ltd.
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Product Overview
Description
18650/2S4P Li-ion Battery Pack 7.4V/8.8Ah
| Item | Specification | Remark | |
| Nominal capacity | 2200mAh | Sanyo Cell: UR18650A | |
| Nominal voltage | 7.4V | 3.7V / 1Cell | |
| Charging voltage | 8.4V±0.05V | 4.2V / 1Cell | |
| Charging method | CC/CV | (Constant-current and -Voltage with Limited current | |
| Standard charging time | 2000mA/5hour,3000mA/3.5hour | Battery capacity÷charging current×1.5 | |
| charging current | 4400mA(0.5C) | 0 ~ +40℃ | |
| Maximum charging current | 8800mA(1C) | 0 ~ +40℃ | |
| Continuous discharge current | 8800mA(1C) | -20 ~ +60℃ | |
| Discharge cutoff voltage | 4.8V | 2.4V / 1Cell | |
| Short circuit protection | Exterior short circuit | Automatic recovery | |
| Internal resistance | ≤200mΩ | AC Impedance 1kHz | |
| Cycle life | ≥500 | ||
| Operating temperature | Standard Charge | 0 ~ +40℃ | |
| Standard Discharge | -20 ~ +60℃ | ||
| Outline dimension | L133*W74*T22mm | Length x wide x height | |
| Pre-wired | Red = Positive,Black = Negative | ||
| Protection Circuit Module:PCM-L02S10-014 | |||
| Maximal continuous charging current | 10A | ||
| Maximal continuous Discharging current | 10A | ||
| Over-charge detection voltage | 4.25 V ±0.025V | single cell | |
| Over-charge release voltage | 4.05±0.05V | single cell | |
| Over-charge detection delay time | 0.7S—1.3S | single cell | |
| Over-discharge detection voltage | 2.40V±0.062V | single cell | |
| Over-discharge release Voltage | 3.0±0.10V | single cell | |
| Over-discharge detection delay time | 89—167mS | single cell | |
| Over-current detection | 25±3A | can adjust | |
| Over-current delay time | 6.7ms—13.9ms | ||
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