# US 11,909,015 B2 · Battery status indication method, battery status indication apparatus, and mobile device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,909,015 B2 - Document ID: US11909015B2 - Status: Granted - Kind: B2 - Application number: 17/144,558 - Filed: 2021-01-08 - Published: 2021-05-06 - Granted: 2024-02-20 - Earliest claimed: 2018-07-18 - Assignees: Sz Dji Technology Co., Ltd. - Applicants: Sz Dji Technology Co., Ltd. - Inventors: Qirui Zhang; Qiu Lan; Yu Zhou - Web page: https://patentgrep.com/patent/US11909015B2 ## CPC - H01M 10/488: {Cells or batteries combined with indicating means for external visualization of the condition, e.g. by change of colour or of light density} - G08B 5/36: using visible light sources - H01M 10/052: Li-accumulators - H01M 10/486: {for measuring temperature} - H01M 10/615: Heating or keeping warm - H01M 10/625: Vehicles - H01M 2220/20: Batteries in motive systems, e.g. vehicle, ship, plane - Y02E 60/10: Energy storage using batteries - H01M: PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY - G08B: SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS - Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION ## Abstract A battery status indication method, A battery status indication apparatus, and a mobile device are provided. The battery status indication method includes: obtaining a power level and a heat state of a battery, the heat state including an unheated state and a heating state; determining a display mode of indicator lights according to the power level and the heat state of the battery; and controlling the indicator lights to display according to the display mode to indicate the power level and the heat state of the battery. ## Claims ### Claim 1 A battery status indication method, comprising: obtaining a power level and a heat state of a battery, the heat state including an unheated state, a heating state, and a heat preservation state; determining a display mode of at least one indicator according to the power level and the heat state of the battery, the display mode of the at least one indicator for the unheated state, the display mode of the at least one indicator for the heating state, and the display mode of the at least one indicator for the heat preservation state being different from each other; and controlling the at least one indicator to display according to the display mode, to indicate the power level and the heat state of the battery. ### Claim 2 (depends on 1) The battery status indication method according to claim 1, wherein determining the display mode of the at least one indicator according to the power level and the heat state of the battery, includes: determining a number of one or more indicators of the at least one indicator to be turned on and the display mode of the number of the one or more indicators. ### Claim 3 (depends on 2) The battery status indication method according to claim 2, wherein determining the number of one or more indicators to be turned on and the display mode of the number of the one or more indicators, includes: determining the number of one or more indicators to be turned on according to the power level of the battery. ### Claim 4 (depends on 3) The battery status indication method according to claim 3, wherein determining the number of one or more indicators to be turned on and the display mode of the number of the one or more indicators includes: determining a power range of the battery; and according to the power range, determining the number of the one or more indicators to be turned on. ### Claim 5 (depends on 4) The battery status indication method according to claim 4, wherein the number of the one or more indicators is positively correlated with the power range. ### Claim 6 (depends on 4) The battery status indication method according to claim 4, wherein determining the power range of the battery includes: according to a percentage of the power level to a battery capacity, dividing the battery capacity into a plurality of power ranges, the power ranges being percentage ranges; determining current percentage of the power level of the battery to the battery capacity; and determining the power range of the current percentage. ### Claim 7 (depends on 2) The battery status indication method according to claim 2, wherein determining the number of one or more indicators to be turned on and the display mode of the number of the one or more indicators includes: determining the display mode of the one or more indicators according to the heat state of the battery. ### Claim 8 (depends on 7) The battery status indication method according to claim 7, wherein the display mode includes at least one of a mode of a brightness of the one or more indicators being turned on remaining unchanged or a flashing mode of the one or more indicators. ### Claim 9 (depends on 8) The battery status indication method according to claim 8, wherein determining the display mode of the one or more indicators according to the heat state of the battery includes: in the unheated state, determining that the display mode of the one or more indicators includes the mode of the brightness of the one or more indicators being turned on remaining unchanged. ### Claim 10 (depends on 8) The battery status indication method according to claim 8, wherein determining the display mode of the one or more indicators according to the heat state of the battery, includes: in the heating state, determining that the display mode of the one or more indicators includes the flashing mode of the one or more indicators. ### Claim 11 (depends on 10) The battery status indication method according to claim 10, wherein: according to the heat state of the battery, determining the display mode of the one or more indicators includes: in the heat preservation state, determining that the display mode of the one or more indicators includes the flashing mode of the one or more indicators; and the flashing mode of the one or more indicators in the heat preservation state is different from the flashing mode of the one or more indicators in the heating state. ### Claim 12 (depends on 10) The battery status indication method according to claim 10, wherein the flashing mode of the one or more indicators includes at least one mode of: the brightness of the one or more indicators gradually changing or the one or more indicators alternating between on and off. ### Claim 13 (depends on 12) The battery status indication method according to claim 12, wherein the mode of the brightness of the one or more indicators gradually changing includes the brightness of the one or more indicators cyclically changing from low to high or from high to low gradually. ### Claim 14 (depends on 12) The battery status indication method according to claim 12, wherein the mode of the one or more indicators alternating between on and off includes: a mode of the one or more indicators chasing cyclically. ### Claim 15 (depends on 1) The battery status indication method according to claim 1, wherein determining the display mode of the at least one indicator according to the power level and the heat state of the battery includes: in one state of the heating state and the heat preservation state, determining that the display mode of the at least one indicator includes a mode of a brightness of the at least one indicator gradually changing; and in the other state of the heating state and the heat preservation state, determining that the display mode of the indicator lights includes a mode of the at least one indicator chasing cyclically. ### Claim 16 (depends on 8) The battery status indication method according to claim 8, wherein the mode of the brightness of the one or more indicators being turned on remaining unchanged includes: the brightness of the one or more indicators being different in different heating states, and the brightness remaining unchanged in a same heat state. ### Claim 17 A battery status indication apparatus, comprising: at least one indicator configured to indicate a power level and a heat state of a battery, the heat state including an unheated state, a heating state, and a heat preservation state; and a controller electrically connected to the at least one indicator and configured to: obtain the power level and the heat state of the battery; according to the power level and the heat state of the battery, determine a display mode of the at least one indicator, the display mode of the at least one indicator for the unheated state, the display mode of the at least one indicator for the heating state, and the display mode of the at least one indicator for the heat preservation state being different from each other; and control the at least one indicator to display according to the display mode. ### Claim 18 (depends on 17) The battery status indication apparatus according to claim 17, wherein the controller is configured to determine a number of one or more indicators of the at least one indicator to be turned on and the display mode of the number of the one or more indicators. ### Claim 19 (depends on 18) The battery status indication apparatus according to claim 18, wherein the controller is configured to determine the number of one or more indicators to be turned on according to the power level of the battery. ### Claim 20 A mobile device, comprising: a housing member; a propulsion component configured to drive the housing member to move; a battery configured to provide electrical energy for the propulsion component; a heating system configured to heat the battery; and a battery status indication apparatus configured to indicate a power level and a heat state of the battery, comprising: at least one indicator configured to indicate the power level and the heat state of the battery, the heat state including an unheated state, a heating state, and a heat preservation state; and a controller electrically connected to the at least one indicator and configured to: obtain the power level and the heat state of the battery; according to the power level and the heat state of the battery, determine a display mode of the at least one indicator, the display mode of the at least one indicator for the unheated state, the display mode of the at least one indicator for the heating state, and the display mode of the at least one indicator for the heat preservation state being different from each other; and control the at least one indicator to display according to the display mode.