Patents
Patents for H02J 7 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries (94,693)
04/2003
04/09/2003CN2544453Y Universal electricity recharger
04/09/2003CN2544420Y Electricity recharger for lithium cell
04/09/2003CN2544170Y Solar energy courtyard lamp
04/09/2003CN2544168Y 太阳能草坪灯 Solar Lawn
04/09/2003CN1409884A Electric energy storage device with cell energy control and method of controlling cell energy
04/09/2003CN1409457A Connecting switchover control type capacitor accumulator
04/09/2003CN1409456A Intensifying solar energy universal charger and power source
04/09/2003CN1409455A Charging rate regulating circuit for battery group
04/09/2003CN1409454A Power source
04/09/2003CN1409423A Low internal resistance collector structure of improved electric storage and discharge device
04/09/2003CN1105428C apparatus and method for reducing magnetic field density in radiotelephone
04/08/2003US6546265 Portable wireless communications device
04/08/2003US6545884 Alternator system
04/08/2003US6545449 Method for controlling charge to secondary battery for automated guided vehicle
04/08/2003US6545448 Detection of the end-of-life for a rechargeable battery
04/08/2003US6545447 Method and apparatus for placing a battery pack that is in a usable mode into a storage sleep-mode ensuring long storage
04/08/2003US6545446 Cellular phone equipped with a charging function
04/08/2003US6545445 Multiple battery system and method
04/08/2003US6545444 Device and method for utilizing a monopole motor to create back EMF to charge batteries
04/08/2003US6544678 Metal-air fuel cell battery system employing metal-fuel cards
04/08/2003CA2168520C Inverter/charger circuit for uninterruptible power supplies
04/08/2003CA2151286C Apparatus for converting vibratory motion to electrical energy
04/03/2003WO2003028186A1 Battery size detector for a battery charger
04/03/2003WO2003026377A2 Ac/dc charger for mobile phone
04/03/2003WO2001070533A3 Control device for hybrid vehicle
04/03/2003US20030064257 Secondary batteries having a protective circuit
04/03/2003US20030063715 Movable barrier operator with back-up battery monitoring and notification device
04/03/2003US20030062903 Voltage detection circuit for storage devices
04/03/2003US20030062877 AC generator control system for vehicle
04/03/2003US20030062876 Supercapacitor balancing method and system
04/03/2003US20030062875 Method and device for judging the condition of secondary batteries and method for regenerating secondary batteries
04/03/2003US20030062874 Circuit for adjusting charging rate of cells in combination
04/03/2003US20030062873 Fast combinational charger
04/03/2003US20030062872 Method and apparatus for charging batteries
04/03/2003US20030062773 Power supply system with two electrical energy stores
04/03/2003US20030062251 Battery size detector for a battery charger
04/02/2003EP1298444A1 Procedure for determining state variables of an accumulator
04/02/2003EP1297724A1 Rechargeable lamp system
04/02/2003EP1297611A2 Dc/dc converters
04/02/2003EP1297602A1 A power supply
04/02/2003EP1297601A2 Multiple battery system and method
04/02/2003EP1297600A1 Portable charging battery pack for thin metal film battery
04/02/2003EP1297599A1 Battery charger, in particular for portable telephone
04/02/2003EP1297598A1 A power supply
04/02/2003EP1266272A4 System and method for providing step-down power conversion using an intelligent switch
04/02/2003EP0860045B1 Battery charger having battery temperature measurement probe
04/02/2003CN2543262Y Double-power supplied DC power supply device
04/02/2003CN2543261Y Emergency charger for mobile telephone
04/02/2003CN2543260Y Device with accumutating, detecting and boosting function
04/02/2003CN1407841A Multifunctional environment protection fluorescent light and ballast against power supply interruption
04/02/2003CN1407777A Battery charger for portable audio device
04/02/2003CN1407684A Photoelectric screen power generating systems
04/02/2003CN1407683A Charger for operation of current and voltage divisions by voltage inspection
04/02/2003CN1407639A Diaphragm for Ni-H accumulator and Ni-H accumulator
04/02/2003CN1407298A Solar refrigerator
04/02/2003CN1406859A Controller of rotary filling device
04/02/2003CN1104771C 电源装置 Power supply unit
04/02/2003CN1104769C Circuit arrangement for preventing deep discharge of battery
04/02/2003CN1104768C Battery leasing system
04/02/2003CN1104347C 射频能量管理系统 RF energy management system
04/01/2003US6542791 Load controller and method to enhance effective capacity of a photovotaic power supply using a dynamically determined expected peak loading
04/01/2003US6541943 Regulator for boosting the output of an alternator
04/01/2003US6541941 Controller controls a switch bank which can shunt a voltage source in parallel with one or more fuel cells in a stack; reducing catalyst poisoning
04/01/2003US6541940 Load follower using batteries exhibiting memory
04/01/2003CA2250675C On/off control device for power source unit
04/01/2003CA2209817C Device for managing battery packs by monitoring and assessing the operating capacity of the battery modules in the pack
03/2003
03/27/2003WO2003026095A1 Charging circuit for secondary battery
03/27/2003WO2003025602A1 In-vehicle battery monitor and method
03/27/2003WO2002096717A3 Method and device for determining the starting capability of a vehicle
03/27/2003US20030060243 Cable or module identification apparatus and method
03/27/2003US20030059672 Battery pack
03/27/2003US20030059660 Fuel cell power generation equipment and a device using the same
03/27/2003US20030059659 Fuel cell power generation equipment and a device using the same
03/27/2003US20030058668 Electric power source
03/27/2003US20030058667 Accumulator power supply unit and method for controlling a charge of the accumulator block
03/27/2003US20030058597 Power converter device
03/27/2003US20030057925 Apparatus and method for comparing output signals indicative of engine rotational speed and/or generator rotational speed
03/27/2003US20030057923 Power generating device
03/27/2003US20030057922 Preliminary charging state apparatus, program and method
03/27/2003US20030057921 Charging device including a multiple-stage voltage source for providing automatic control of charging current
03/27/2003US20030057920 Lithium-ion battery charger input pre-regulator
03/27/2003US20030057919 Storage/discharging device charging circuit of multi-differential source
03/27/2003US20030057918 Electric device with intelligent battery system therein
03/27/2003US20030057917 Replacement battery formation system
03/27/2003US20030057908 Power supply system and power supply method
03/27/2003US20030057776 Power system for automobiles
03/27/2003US20030057774 Power supply cut system for vehicle
03/26/2003EP1296441A1 Power generating arrangement
03/26/2003EP1296435A2 Accumulator power supply unit and method for controlling a charge of the accumulator block
03/26/2003EP1296419A2 Power supply cut system for vehicle
03/26/2003EP1296400A2 Fuel cell power generation equipment
03/26/2003EP1295757A2 Power system for automobiles
03/26/2003EP1295624A2 Implantable energy management system and method
03/26/2003EP1295397A1 Intentionally non-monotonic digital-to-analog converter
03/26/2003EP1295393A2 Intelligent switch for connecting power to a load
03/26/2003EP0935836B1 Portable electronic device and method
03/26/2003CN2541989Y Automotive starting, generating multiplying motor
03/26/2003CN2541987Y Sensing control valve using solar cell as boosting energy
03/26/2003CN2541986Y Intelligent high frequency switching d.c. power source
03/26/2003CN1406407A A method and a device for charging a battery