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| 8076904 | Circuit for detecting remaining battery capacity |
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| 8054047 | Battery pack charging system and method |
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| 7990102 | Cordless power supply |
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| 7948207 | Refuelable battery-powered electric vehicle |
| 7932701 | Power tool |
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| 7932695 | Power tool, battery, charger and method of operating the same |
| 7932697 | Power tool |
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| 7902830 | System to measure series-connected cell voltages using a flying c... |
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