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1. (WO2019040967) IMPROVEMENTS IN OR IN RELATION TO BATTERY CHARGING AND POWER MANAGEMENT
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CLAIMS

1. In a microprocessor controlled battery charge management system for vehicular use comprising capacity for multiple recharge source inputs, at least one DC and one AC outlet and a preselected installed battery type, a low voltage cutoff circuit having a sensor for reading at least one variable indicative of a predetermined low voltage cut off for an installed battery, and shutting off load to the battery upon reading said low voltage cut off, and providing an indication of the need to recharge, when a source is connected, the circuit reconnects a load after a predetermined time delay according to the power source, the system further comprising an inverter providing AC output, a manual on/off switch used to initiate operation of the inverter, and a processor for switching on the inverter after operation of the on/off switch and after a predetermined check sequences used to approve operation of the inverter, the system further comprising in conjunction with a running vehicle, a battery charging sequence for a second battery connected to the vehicle and being chargeable via two charging paths, a relatively low current path and a relatively high current path, sensing charging current and switching current paths depending on sensed current and/or voltage switching is from a high current path to the low current path when the battery is almost fully charged.

2. The system according to claim 1 further comprises a battery terminal connection circuit blocking current in the case of reverse polarity connection to a battery, the circuit comprising, a diode, a latching relay used to make current available to an outlet, a signal relay to control the latching relay and a capacitor, upon correct connection of the battery terminals, current flows through the diode, charges the capacitor and thereby switches the latching relay to ON, a control signal may be applied to the signal relay which then uses the charge on the capacitor to switch the latching relay to OFF.

3. The system according to claim 1 or claim 2 which further comprises a microprocessor controlled battery charge management system capable of being connected to a vehicle engine alternator, a low voltage cutoff circuit having a sensor for reading at least one variable indicative of a predetermined low voltage cut off for an installed battery, and shutting off load to the battery upon reading said low voltage cut off, and providing an indication of the need to recharge, an

inverter providing AC output, an on/off switch used to initiate operation of the inverter after a predetermined check sequence, a running vehicle AC output mode of operation whereby the inverter is supplied directly from a running vehicle alternator and a running vehicle charge mode of operation whereby the installed battery is charged directly from a running vehicle alternator, the modes being initiated only upon the microprocessor determining that the vehicle is running and its alternator connected, the running vehicle modes include detection of the running vehicle using a connection to a DC input from an ignition switched socket on the vehicle.

4. The system according to claim 1 or claim 2 or claim 3 which further comprises a box holding the microprocessor controlled battery charge management system and battery connected to the management system, the box having lid and a base, the base having a cavity adapted to hold a battery the lid holding the management system, leads extending from the lid into the base, a manually operable battery type selection switch being located in the cavity such that operation of the switch is inhibited upon a battery being located in the cavity

5. A battery charge management system comprising capacity for multiple recharge source inputs, at least one outlet and a preselected installed battery type from different battery types, the improvement comprising, a low voltage cutoff circuit having a sensor for reading at least one variable indicative of a predetermined low voltage cut off for an installed battery, and shutting off load to the battery upon reading said low voltage cut off, and providing an indication of the need to recharge

6. A battery charge management system according to claim 5 wherein the circuit reconnects a load after a predetermined time delay.

7. A battery charge management system according to claim 5 wherein the circuit reconnects a load after a predetermined time delay, the time delay being selected according to the recharge source.

8. In a battery charge management system comprising capacity for multiple recharge source inputs, at least one outlet and a preselected installed battery type, the improvement comprising an inverter providing AC output, a manual on/off switch used to initiate operation of the inverter, and a processor for switching on the inverter after operation of the on/off switch and after a predetermined check sequences used to approve operation of the inverter.

9. In a battery charge management system, the improvement comprising, in conjunction with a running vehicle, a battery charging sequence for a second battery connected to the vehicle and being chargeable via two available charging paths, a relatively low current path and a relatively high current path, sensing charging current and switching current paths depending on sensed current and/or voltage.

10. In a battery charge management system according to claim 9 wherein the switching is from a high current path to the low current path when the battery is almost fully charged.

11. In a battery charge management system, the improvement comprising, in conjunction with a running vehicle, a second battery and an inverter connected to and downstream of the second battery, the second battery being adapted to supply the inverter when not connected to the vehicle or the vehicle is not running, a circuit detecting the running vehicle and as a consequence supplying power from the vehicle to the inverter, the circuit verifying that the vehicle is running and continuing to supply power to the inverter from the running vehicle.

12. In a portable box having a battery charge management system and a battery housing, the improvement comprising multiple inlet source connections and at least one outlet the improvement comprising an elongated light source extending along a side of the box.

13. In a portable box according to claim 12 wherein the elongated battery source comprises spaced LED light sources.

14. In a battery management system, the improvement comprising, a battery terminal connection circuit blocking current in the case of reverse polarity connection to a battery, the circuit comprising, a oiode, a latching relay used to make current available to an outlet, a signal relay to control the latching relay and a capacitor, upon correct connection of the battery terminals, current flows through the diode, charges the capacitor and thereby switches the latching relay to ON.

15. In a battery management system according to claim 14 wherein a control signal is applied to the signal relay which then uses the charge on the capacitor to switch the latching relay to OFF or a small onboard battery is used in lieu of the capacitor.

16. In a battery charge management system, a box layout for connection to an external battery, the box having battery connectors, source input connectors and at least one outlet, an Inverter located in an inverter air flow through passage inside the box, an inverter cooling fan drawing cooling air into the box through an inlet, through the flow through passage across the Inverter to an inlet to the fan.

17. A box holding a battery charge management system adapted to manage batteries of different types having different charging requirements and having a cavity adapted to hold a battery being one of the said batteries of different types, and the battery being connectable to the battery charge management system, a battery type selector and battery type selection being operatively blocked when a battery is operatively located within the cavity.

18. A bo holding a battery charge management system according to claim 17 wherein the battery type selection is operatively blocked electronically or mechanically or a combination being electromechanical in nature.

19. A box holding a battery charge management system according to claim 17 wherein selection of battery type is blocked by the insertion of the battery either directly or indirectly blocking physical access to a selection switch.

20. In a battery charge management system according to any one of claims 5 to 16 being a microprocessor controlled battery charge management system, a low voltage cutoff circuit having a sensor for reading at least one variable indicative of a predetermined low voltage cut off for an installed battery, and shutting off load to the battery upon reading said low voltage cut off, and providing an indication of the need to recharge, an inverter providing AC output, a manual on/off switch used to initiate operation of the inverter after a predetermined check sequence

21. In a battery charge management system according to any one of claims 5 to 16 being a microprocessor controlled battery charge management system capable of being connected to a vehicle engine alternator, a low voltage cutoff circuit having a sensor for reading at least one variable indicative of a predetermined low voltage cut off for an installed battery, and shutting off load to the battery upon reading said low voltage cut off, and providing an indication of the need to recharge, an inverter providing AC output, an on/off switch used to initiate operation of the Inverter after a predetermined check sequence, a running vehicle AC output mode of operation whereby the inverter is supplied directly from a running vehicle alternator and a running vehicle charge mode of operation whereby the installed battery is charged directly from a running vehicle alternator, the modes being initiated only upon the microprocessor determining that the vehicle is running and its alternator connected. Preferably, the running vehicle modes include detection of the running vehicle using a connection to a DC input from an ignition switched socket on the vehicle

22. In a battery charge management system according to any one of claims 5 to 16 being a microprocessor controlled battery charge management system, capable of being connected to a vehicle engine alternator, a low voltage cutoff circuit to shut off load to a battery, an inverter providing AC output from power supplied by the battery while above said low voltage cutoff, or from a running vehicle during an AC output mode of operation whereby the inverter is supplied directly from a running vehicle alternator, the battery being chargeable from a DC supply or during a running vehicle charge mode of operation whereby the battery is charged directly from a running vehicle alternator, the modes being initiated only upon the microprocessor determining that the vehicle is running and its alternator connected.

23. A box holding a microprocessor controlled battery charge management system and battery connected to the management system, the box having lid and a base, the base having a cavity adapted to hold a battery, the lid holding the management system, leads extending from the lid into the base, a manually operable battery type selection switch being located in the cavity such that operation of the switch is inhibited upon a battery being located in the cavity.

24. In a microprocessor controlled battery charge management system in combination, a low

voltage cutoff circuit for an installed battery, an inverter, a running vehicle mode of operation to supply the inverter or charge the battery from a running vehicle, and a reverse battery connection prevention circuit blocking current flow from the battery if wrongly connected, multiple inputs comprising at least two DC inputs and a mains AC input, multiple outputs comprising at least one AC output from the inverter and at least one DC output and a latching relay controlled by the microprocessor to enable the outputs in response to predetermined inputs or switching on of the inverter, the inverter is switched on by a manual on/off switch which initiates a check sequence before switching the inverter on, the check sequence checks one or more of the following, low voltage detection on the battery, overload detection and over temperature detection or that an "on" timer for the inverter has been set and once these checks have been verified an "on" signal is sent to switch the inverter on.

25. In a microprocessor controlled battery charge management system according to claim 24 wherein the inverter has a manual timer settable for its on time.

26. In a microprocessor controlled battery charge management system the combination of claims 5 and 8 or 5 and 9 or 5 and 11 or 5 and 12 or 5 and 14 or 5 and 16 or 5 and 17

27. In a microprocessor controlled battery charge management system the combination of claims 8 and 9 or 8 and 11 or 8 and 12 or 8 and 14 or 8 and 16 or 8 and 17

28. In a microprocessor controlled battery charge management system the combination of claims 9 and 11 or 9 and 12 or 9 and 14 or 9 and 16 or 9 and 17.

29. In a microprocessor controlled battery charge management system the combination of claims 11 and 12 or 11 and 14 or 11 and 16 or 11 and 17.

30. In a microprocessor controlled battery charge management system the combination of claims 12 and 14 or 12 and 16 or 12 and 17.

30. In a microprocessor controlled battery charge management system the combination of claims 14 and 16 or 14 and 17.

31. In a microprocessor controlled battery charge management system the combination of claims 16 and 17.

32. In a microprocessor controlled battery charge management system the combination of any three of claims 1 ,5,8,9,11.12, 14, 16 or 17.