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Battery Fuel Gauge For 2~13 Cell Li-Ion/Polymer Battery
Specification |
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Suit for: 2~13 Cell Li-ion/polymer Battery Packs |
Charge Process: Build-in MCU chip, accurate measure battery capacity. |
LED Indicator: 5 segments LED indicator, 10% capacity resolution. |
Protections: Reverse polarity protection. |
Size:42 x 22 x 11mm |
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HBG1's algorithms is the simple technology in all three ways. It is mornitoring the battery terminal voltage and comparing measured value with build-in fixed voltage-capacity table then give a result of relative remain capacity status. For different chemical battery type, the voltage-capacity curve is different. Further, even for a same battery pack, this curve will be different at higher or lower discharging current. So it is easy to understand why this method only get a gross or rough result. Generally, HBG1 has 10%~20% relative remain capacity tolerance.