[{"data":1,"prerenderedAt":440},["ShallowReactive",2],{"guide-zh-jk-bms-firmware":3,"guides-zh":309},{"id":4,"title":5,"body":6,"date":287,"description":288,"extension":289,"keywords":290,"meta":297,"navigation":298,"path":299,"related":300,"seo":305,"stem":306,"updated":307,"__hash__":308},"guides_zh\u002Fguides\u002Fjk-bms-firmware.md","JK BMS 固件：V15 与 V19 的区别及安全升级方法",{"type":7,"value":8,"toc":272},"minimark",[9,13,17,20,37,46,50,53,131,134,165,172,176,179,222,225,228,231,234,238,241,244,249,252,256,259,263,266],[10,11,12],"p",{},"JK BMS 固件与硬件代次绑定：V15 保护板运行 V15 固件，V19 保护板运行 V19 固件，升级不能把一种变成另一种。固件需要用 JK 的电脑软件通过有线连接升级，而不是蓝牙。升级前先备份设置，只使用专为你这块硬件准备的文件，并且只在需要修复问题或新功能时才升级，因为升级失败可能让保护板无法使用。",[14,15,16],"h2",{"id":16},"如何查看硬件和软件版本",[10,18,19],{},"每块 JK 保护板都会报告两个版本：",[21,22,23,31],"ul",{},[24,25,26,30],"li",{},[27,28,29],"strong",{},"硬件版本","，例如 19H 或 15A。数字是代次，字母是板型变体。",[24,32,33,36],{},[27,34,35],{},"软件版本","，例如 19.25 或 19.26。前半部分与硬件代次一致，后半部分是固件版本号。",[10,38,39,40,45],{},"JK App 在设备信息中显示这两个版本。",[41,42,44],"a",{"href":43},"\u002F","JK Preset Studio"," 通过蓝牙连接后也会立即显示，同时显示型号、序列号和运行时间。找固件之前，先把它们记下来。",[14,47,49],{"id":48},"v11v15-和-v19-有什么变化","V11、V15 和 V19 有什么变化",[10,51,52],{},"JK 自己对 V11 和 V15 的对比列出了 V15 的升级点：",[54,55,56,72],"table",{},[57,58,59],"thead",{},[60,61,62,66,69],"tr",{},[63,64,65],"th",{},"功能",[63,67,68],{},"V11",[63,70,71],{},"V15",[73,74,75,87,98,109,120],"tbody",{},[60,76,77,81,84],{},[78,79,80],"td",{},"温度传感器",[78,82,83],{},"2 个",[78,85,86],{},"4 个",[60,88,89,92,95],{},[78,90,91],{},"加热",[78,93,94],{},"部分保护板",[78,96,97],{},"全部保护板",[60,99,100,103,106],{},[78,101,102],{},"CAN 与 RS485",[78,104,105],{},"二选一",[78,107,108],{},"可同时使用",[60,110,111,114,117],{},[78,112,113],{},"告警功能",[78,115,116],{},"无",[78,118,119],{},"有",[60,121,122,125,128],{},[78,123,124],{},"并联运行",[78,126,127],{},"不支持",[78,129,130],{},"支持",[10,132,133],{},"V15 与 V19 之间没有官方对比表。以下是用户反馈和我们自己看到的情况：",[21,135,136,142,148,159],{},[24,137,138,141],{},[27,139,140],{},"接口。"," 在 PB 保护板上，V19 通信板上的 RS232 接口可以使用；据反馈，V15 上的这个接口并未接通。V19 还在显示屏接口旁边增加了一个独立的 UART 接口。",[24,143,144,147],{},[27,145,146],{},"加热逻辑。"," 用户反馈，19.05 固件前后的加热行为不同。",[24,149,150,153,154,158],{},[27,151,152],{},"设置值。"," 有些设置的存储方式不同。在软件版本 19.26 的 JK-PB2A16S20P 上，短路延时存储为 5，而来自旧保护板、数值为 1500 的设置文件会被拒绝。详见 ",[41,155,157],{"href":156},"\u002Fguides\u002Fjk-bms-ocp-scp-settings","OCP 和 SCP 指南","。",[24,160,161,164],{},[27,162,163],{},"缺失的设置。"," 即使同为 V19，不同保护板也有差异：硬件版本 19H 的 JK-B2A8S20P 会拒绝浮充电压、加热和预充时间，因为它没有这些功能。",[10,166,167,168,158],{},"实际影响是：来自 V15 保护板的设置文件，在 V19 保护板上经常以 Sending failure 失败。不要跨代导入文件，而是逐项写入设置，详见 ",[41,169,171],{"href":170},"\u002Fguides\u002Fjk-bms-sending-failure","Sending failure 指南",[14,173,175],{"id":174},"如何升级-jk-bms-固件","如何升级 JK BMS 固件",[10,177,178],{},"官方针对 PB 逆变器保护板的流程使用电脑软件：",[180,181,182,198,204,210,216],"ol",{},[24,183,184,187,188,192,193,197],{},[27,185,186],{},"备份设置。"," 读取 BMS 并保存一个 ",[189,190,191],"code",{},".jkcfg"," 文件，方法见",[41,194,196],{"href":195},"\u002Fguides\u002Fjk-bms-export-import-settings","导出和导入指南","。固件升级可能会重置设置。",[24,199,200,203],{},[27,201,202],{},"用线缆连接。"," 使用 JK 的 USB 转 RJ45 线（根据保护板为 RS485 或 RS232），在软件中选择正确的端口。",[24,205,206,209],{},[27,207,208],{},"把 BMS 设为从机。"," JK 要求升级期间设备地址不能为 0，且 BMS 不能与其他主机通信。调好拨码开关，断开并联通信。",[24,211,212,215],{},[27,213,214],{},"开始升级。"," 在软件右上角打开菜单，选择 Upgrade Firmware，选中文件后点击 Start Upgrade。进度条走完即表示升级完成。",[24,217,218,221],{},[27,219,220],{},"检查并恢复。"," 确认新的软件版本，然后与备份对比设置，把有变化的项重新写回。",[10,223,224],{},"B2A 系列等普通保护板，使用 JK BMS Monitor 电脑软件，通过 RS485 转 USB 适配器升级。购买适配器之前，请先问卖家哪种适合你的保护板。",[14,226,227],{"id":227},"强制升级与恢复",[10,229,230],{},"如果普通升级拒绝某个文件，JK 提供 Force Upgrade 选项。它需要厂家提供的授权码，目的是防止你刷入为其他硬件准备的文件。升级失败时，JK 给出的步骤是：重新执行强制升级；按住激活按键或显示屏开关；按下并松开 RST 按键；等待进度条走完。",[10,232,233],{},"对于云盘链接和论坛里流传的固件文件要格外小心。没有公开的、带签名的发布渠道，至少有一个被当作新版本分享的文件，后来证实只是测试版本，并不包含可用的固件。",[14,235,237],{"id":236},"到底该不该升级","到底该不该升级？",[10,239,240],{},"当某个具体的修复或功能对你很重要时再升级：例如逆变器通信的问题、加热逻辑的改变、你的固件缺少的某项设置。如果 BMS 运行正常、能保护电芯，升级失败的风险通常大于收益。",[14,242,243],{"id":243},"常见问题",[245,246,248],"h3",{"id":247},"可以通过蓝牙升级-jk-bms-吗","可以通过蓝牙升级 JK BMS 吗？",[10,250,251],{},"不可以。固件升级需要用 JK 电脑软件通过线缆进行。手机 App 和蓝牙工具只能读取和写入设置。",[245,253,255],{"id":254},"能通过刷固件把-v15-bms-变成-v19-吗","能通过刷固件把 V15 BMS 变成 V19 吗？",[10,257,258],{},"不能。版本跟随硬件代次。V19 固件不是为 V15 保护板设计的，刷错文件可能导致保护板无法使用。",[245,260,262],{"id":261},"固件升级会清除我的设置吗","固件升级会清除我的设置吗？",[10,264,265],{},"有可能。升级前保存备份文件，升级后对比设置。",[10,267,268,271],{},[41,269,270],{"href":43},"连接你的 BMS","，查看它的硬件和软件版本，并在升级前保存备份。",{"title":273,"searchDepth":274,"depth":274,"links":275},"",3,[276,278,279,280,281,282],{"id":16,"depth":277,"text":16},2,{"id":48,"depth":277,"text":49},{"id":174,"depth":277,"text":175},{"id":227,"depth":277,"text":227},{"id":236,"depth":277,"text":237},{"id":243,"depth":277,"text":243,"children":283},[284,285,286],{"id":247,"depth":274,"text":248},{"id":254,"depth":274,"text":255},{"id":261,"depth":274,"text":262},"2026-10-14","JK BMS 固件详解：如何查看硬件和软件版本，V11 到 V15、V19 有哪些变化，以及如何升级而不把 BMS 刷坏。","md",[291,292,293,294,295,296],"jk bms 固件","jk bms 固件升级","jk bms v15 和 v19 区别","jk bms v19 固件","jk bms 刷固件","jk bms 强制升级",{},true,"\u002Fguides\u002Fjk-bms-firmware",[301,302,303,304],"jk-bms-model-number-explained","jk-bms-export-import-settings","jk-bms-sending-failure","jk-bms-ocp-scp-settings",{"title":5,"description":288},"guides\u002Fjk-bms-firmware",null,"fksiNCfb9ILClUz_rPQJ43n422J7EOrPJRE0BHu2Ma4",[310,314,318,322,326,327,331,335,339,343,347,351,356,360,364,368,372,377,382,387,391,395,398,402,406,410,413,417,421,425,428,432,436],{"path":311,"title":312,"description":313,"date":287,"updated":307},"\u002Fguides\u002Fjk-bms-app-alternative","JK BMS app 替代方案：在电脑或浏览器中修改设置","在找 JK BMS app 的替代方案？对比 JK app、电脑软件、ESPHome，以及一个通过蓝牙读取和写入设置的浏览器编辑器。",{"path":315,"title":316,"description":317,"date":287,"updated":307},"\u002Fguides\u002Fjk-bms-bluetooth-not-connecting","JK BMS 蓝牙连不上：真正有效的排查方法","JK BMS 蓝牙连不上或搜不到？按顺序排查：休眠、其他应用占用连接、手机权限、距离和浏览器支持。",{"path":319,"title":320,"description":321,"date":287,"updated":307},"\u002Fguides\u002Fjk-bms-calibration","JK BMS 电压和电流校准：正确的做法","如何校准 JK BMS 的电压和电流：测量什么、输入什么数值、为什么校准会出现 Sending failure，以及什么时候不该校准。",{"path":323,"title":324,"description":325,"date":287,"updated":307},"\u002Fguides\u002Fjk-bms-error-codes","JK BMS 错误代码：显示屏和指示灯在告诉你什么","JK BMS 错误代码详解：Err 数字、ALM 指示灯和 App 告警的含义，用户已对应到真实故障的代码，以及如何找到原因。",{"path":299,"title":5,"description":288,"date":287,"updated":307},{"path":328,"title":329,"description":330,"date":287,"updated":307},"\u002Fguides\u002Fjk-bms-first-setup","新 JK BMS 如何设置：首次启动分步指南","正确设置新 JK BMS：接线顺序、首次开机、密码、电芯数量、化学体系预设、电流限制，以及通过蓝牙校验写入。",{"path":332,"title":333,"description":334,"date":287,"updated":307},"\u002Fguides\u002Fjk-bms-not-charging","JK BMS 不充电或不放电：MOSFET 为什么关断","JK BMS 不充电或不放电？找出是哪项保护或开关关断了 MOSFET，如何区分各种原因，以及每种原因该改哪个设置。",{"path":336,"title":337,"description":338,"date":287,"updated":307},"\u002Fguides\u002Fjk-bms-not-turning-on","JK BMS 不开机：如何启动和唤醒保护板","JK BMS 不开机？了解如何用充电器或按键激活新板、从休眠中唤醒，以及排查让它毫无反应的接线错误。",{"path":340,"title":341,"description":342,"date":287,"updated":307},"\u002Fguides\u002Fjk-bms-precharge","JK BMS 预充电：避免逆变器启动时打火和短路保护","JK BMS 预充电有什么作用，逆变器电容为何会触发短路保护，如何设置预充时间，以及什么时候仍然需要预充电阻。",{"path":344,"title":345,"description":346,"date":287,"updated":307},"\u002Fguides\u002Fjk-bms-reset","JK BMS 如何复位：SOC、容量、告警和设置","JK BMS 如何复位：SOC、容量、不消失的告警或全部设置，循环次数到底是什么，以及为什么复位前一定要先备份。",{"path":348,"title":349,"description":350,"date":287,"updated":307},"\u002Fguides\u002Fjk-bms-smart-sleep","JK BMS 智能休眠：休眠电压和休眠时间的作用","JK BMS 智能休眠的作用，休眠电压与休眠时间如何配合，如何唤醒休眠的 BMS，以及家用储能和房车该用什么数值。",{"path":352,"title":353,"description":354,"date":355,"updated":307},"\u002Fguides\u002Fjk-bms-alarms-list","JK BMS 告警列表：每个告警的含义、原因和处理方法","一张表看懂 JK BMS 全部告警：含义、常见诱因和对应设置，从单体过压、MOS 过温到均衡线电阻。","2026-10-12",{"path":357,"title":358,"description":359,"date":355,"updated":307},"\u002Fguides\u002Fjk-bms-inverter-communication","JK 储能 BMS 与逆变器通讯：Deye、Victron 和 Growatt 设置","通过 CAN 或 RS485 把 JK 储能 BMS 接到 Deye、Victron 或 Growatt：协议编号、端口模式、拨码地址、线序和逆变器端设置。",{"path":361,"title":362,"description":363,"date":355,"updated":307},"\u002Fguides\u002Fjk-bms-model-number-explained","JK BMS 型号含义：B2A8S20P、PB2A16S20P 等怎么读","读懂 JK BMS 型号：系列、均衡电流、串数和额定电流，以及 -H、-HC、-R 后缀代表的加热、CAN 和 RS485。",{"path":365,"title":366,"description":367,"date":355,"updated":307},"\u002Fguides\u002Fjk-bms-parallel-batteries","JK BMS 电池包并联：接线、拨码地址和参数设置","多个 JK 储能 BMS 电池包并联：汇流排接线、RS485-2 并联通信、拨码地址、主机设置、统一参数和电流限制。",{"path":369,"title":370,"description":371,"date":355,"updated":307},"\u002Fguides\u002Fjk-bms-temperature-heating-settings","JK BMS 温度与加热设置：磷酸铁锂的安全数值","设置 JK BMS 充放电温度保护、MOS 过温和加热功能。为什么出厂 -20 °C 不适合磷酸铁锂，以及该改成多少。",{"path":373,"title":374,"description":375,"date":376,"updated":307},"\u002Fguides\u002Fjk-bms-soc-stuck-at-99","JK BMS SOC 卡在 99%：为什么到不了 100% 以及解决方法","JK BMS 的 SOC 一直停在 99%，始终不显示 100%？了解充电结束时 BMS 在等什么、六个常见原因，以及能解决问题的设置。","2026-10-07",{"path":378,"title":379,"description":380,"date":381,"updated":307},"\u002Fguides\u002Fjk-bms-bluetooth-browser","在浏览器中通过蓝牙修改 JK BMS 设置","在 Chrome 或 Edge 中连接 JK BMS，读取全部设置，应用预设，再按安全顺序写回并逐项回读校验。无需 JK app。","2026-10-04",{"path":383,"title":384,"description":385,"date":386,"updated":381},"\u002Fguides\u002Fjk-bms-balance-settings","JK BMS 均衡设置：均衡启动电压、触发压差和均衡电流","详解 JK BMS 均衡设置：均衡启动电压、均衡触发压差、最大均衡电流和均衡开关，适用于磷酸铁锂、三元和钛酸锂。","2026-10-02",{"path":388,"title":389,"description":390,"date":386,"updated":307},"\u002Fguides\u002Fjk-bms-cell-overcharge-protection-tripping","JK BMS 单体过充保护反复触发：原因与解决方法","JK BMS 单体过充保护每分钟触发又解除？了解充电器设得过高为何导致这种情况、如何与弱单体区分，以及怎样解决。",{"path":392,"title":393,"description":394,"date":386,"updated":381},"\u002Fguides\u002Fjk-bms-detail-log","如何导出并读懂 JK-BMS 详细日志（Detail Log）","JK-BMS 详细日志包含什么、如何从 app 导出、如何读懂其中的事件，以及日志分析页能告诉你哪些保护动作和故障信息。",{"path":195,"title":396,"description":397,"date":386,"updated":381},"JK BMS 设置导出与导入：.jkcfg 文件完全指南","如何用 JK BMS app 导出和导入保护板设置，.jkcfg 文件里有什么，为什么手动改会损坏，以及如何在浏览器里安全编辑。",{"path":399,"title":400,"description":401,"date":386,"updated":381},"\u002Fguides\u002Fjk-bms-lifepo4-settings","磷酸铁锂 JK BMS 参数设置：8S、16S，280Ah 与 314Ah 电芯","磷酸铁锂电池组的 JK BMS 参数设置：8S 和 16S、280Ah 与 314Ah 电芯的单体电压、均衡、电流和温度推荐值，分三种损耗等级。",{"path":403,"title":404,"description":405,"date":386,"updated":307},"\u002Fguides\u002Fjk-bms-log-messages-explained","JK BMS 日志消息详解：Boot、Time calibration、保护","每条 JK BMS 日志消息的含义：Boot、Time calibration、APP open charge、保护触发与解除，以及 Discharge On Failed。",{"path":407,"title":408,"description":409,"date":386,"updated":381},"\u002Fguides\u002Fjk-bms-nmc-lto-settings","JK BMS 三元锂与钛酸锂设置：安全的单体参数","JK BMS 三元锂 NMC 与钛酸锂 LTO 电池组设置：单体过压、欠压、均衡、温度和倍率的三档数值，以及编辑器如何识别电芯类型。",{"path":156,"title":411,"description":412,"date":386,"updated":381},"JK BMS 过流保护设置：OCP 与 SCP 参数指南","详解 JK BMS 过流保护设置：充放电 OCP 电流上限、延时、恢复时间与短路保护 SCP，附推荐范围和逆变器选型方法。",{"path":414,"title":415,"description":416,"date":386,"updated":381},"\u002Fguides\u002Fjk-bms-parameters-explained","JK BMS 参数详解：按分组逐项讲解每个设置","一篇看懂 JK BMS 参数：单体 OVP、OVPR、UVP、UVPR、均衡、SOC、RCV 与 RFV、电流和温度保护，附磷酸铁锂常用范围。",{"path":418,"title":419,"description":420,"date":386,"updated":381},"\u002Fguides\u002Fjk-bms-password","JK BMS 密码：默认密码、修改与重置指南","JK BMS 的密码其实有两个：蓝牙连接密码和设置密码。本文介绍出厂默认值、修改方法、密码无效时的排查，以及忘记密码怎么办。",{"path":422,"title":423,"description":424,"date":386,"updated":381},"\u002Fguides\u002Fjk-bms-reboots-power-events","JK BMS 重启与充电 MOS 关闭：在日志中读懂电源事件","JK BMS 重启，或充电 MOS 自己关闭？学会读懂详细日志中的 Boot 行和 MOS 状态，分清正常重启与真正的故障。",{"path":170,"title":426,"description":427,"date":386,"updated":381},"JK BMS 发送失败（Sending failure）：原因与逐步解决方法","JK BMS 导入设置时提示发送失败？了解固件拒绝参数的原因（电压顺序链、写入顺序、短路延时），并按步骤解决。",{"path":429,"title":430,"description":431,"date":386,"updated":376},"\u002Fguides\u002Fjk-bms-soc-calibration","JK BMS SOC 校准：解决电量漂移、跳变和复位问题","JK BMS SOC 校准详解：SOC 为什么会漂移或跳变，SOC-100% 电压和 SOC-0% 电压的作用，以及如何设置并重新校准电池组。",{"path":433,"title":434,"description":435,"date":386,"updated":307},"\u002Fguides\u002Fjk-bms-weak-cell-log","用 JK BMS 日志找出弱单体：触发、压差与均衡","在 JK BMS 详细日志中找出弱单体：哪节单体先触发、触发时压差有多大，以及这是均衡漂移还是单体已损坏。",{"path":437,"title":438,"description":439,"date":386,"updated":381},"\u002Fguides\u002Fjk-bms-wire-resistance","JK BMS 线阻：均衡线阻异常报警的排查与修复","JK BMS 线阻详解：均衡线阻异常报警的含义、正常数值范围、常见原因，以及如何修好一根有问题的均衡线。",1791980014575]