{"id":1888,"date":"2026-06-04T09:51:19","date_gmt":"2026-06-04T09:51:19","guid":{"rendered":"https:\/\/www.batteryone.co\/blog\/?p=1888"},"modified":"2026-06-04T09:51:19","modified_gmt":"2026-06-04T09:51:19","slug":"keep-your-smart-door-lock-powered-all-day-with-the-huabao-zns-091-battery","status":"publish","type":"post","link":"https:\/\/www.batteryone.co\/blog\/archives\/1888","title":{"rendered":"Keep Your Smart Door Lock Powered All Day with the Huabao ZNS-091 Battery"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">The&nbsp;<a href=\"https:\/\/www.batteryone.co\/detail\/1749238\/ZNS-091\">Huabao ZNS-091<\/a>, also sold under the Huabaotong brand, is a 7.4V rechargeable lithium-ion battery pack specially designed for smart door locks and electronic access control systems. This battery serves as a direct drop-in replacement for Huabaotong ZNS series locks, providing stable voltage and ample capacity to meet the daily demands of residential, commercial, and hospitality settings.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Key Specifications<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Battery Type:<\/strong>&nbsp;Lithium-ion \/ Lithium-polymer<\/li>\n\n\n\n<li><strong>Nominal Voltage:<\/strong>&nbsp;7.4V (2S configuration)<\/li>\n\n\n\n<li><strong>Capacity:<\/strong>&nbsp;4200mAh \/ 31.08Wh<\/li>\n\n\n\n<li><strong>Connector:<\/strong>&nbsp;4-wire configuration (typically P-, P+, P+, P-) for precise connection to the lock&#8217;s power management circuit<\/li>\n\n\n\n<li><strong>Rechargeable:<\/strong>&nbsp;Yes, via compatible 5V USB interfaces or dedicated chargers<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Applicable Models and Compatibility<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The&nbsp;<a href=\"https:\/\/www.batteryone.co\/detail\/1749238\/ZNS-091\">ZNS-091 battery<\/a>&nbsp;is the original or recommended replacement power source for Huabaotong (Huabao) ZNS series smart door locks. It is compatible with models sharing the same voltage, capacity, and connector layout, including:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>ZNS-091 and ZNS-09 series core models<\/strong><\/li>\n\n\n\n<li><strong>ZNS-09B, ZNS-09B1, and ZNS-09B6 fingerprint and keypad locks<\/strong><\/li>\n\n\n\n<li><strong>ZNS-09H, ZNS-09H1, ZNS-09E, ZNS-09E1, and ZNS-09A electronic\/keypad locks<\/strong><\/li>\n\n\n\n<li><strong>YC04 series models (YC04B, YC04C, YC04E)<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">These locks typically feature fingerprint recognition, keypad input, automatic locking, and smart home integration. Please verify your lock&#8217;s exact model number and connector type before purchasing, because mismatched voltage or wiring can cause malfunctions or damage the lock&#8217;s electronic components.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Choosing and installing the correct battery ensures uninterrupted convenience and security for any property using these smart lock systems.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The&nbsp;Huabao ZNS-091, also sold under the Huabaotong brand, is a 7.4V rechargeable lithium-ion battery pack specially designed for smart door locks and electronic access control systems. This battery serves as a direct drop-in replacement for Huabaotong ZNS series locks, providing stable voltage and ample capacity to meet the daily demands of residential, commercial, and hospitality [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[29,11],"tags":[207],"class_list":["post-1888","post","type-post","status-publish","format-standard","hentry","category-batteries","category-guide","tag-huabao"],"_links":{"self":[{"href":"https:\/\/www.batteryone.co\/blog\/wp-json\/wp\/v2\/posts\/1888","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.batteryone.co\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.batteryone.co\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.batteryone.co\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.batteryone.co\/blog\/wp-json\/wp\/v2\/comments?post=1888"}],"version-history":[{"count":1,"href":"https:\/\/www.batteryone.co\/blog\/wp-json\/wp\/v2\/posts\/1888\/revisions"}],"predecessor-version":[{"id":1889,"href":"https:\/\/www.batteryone.co\/blog\/wp-json\/wp\/v2\/posts\/1888\/revisions\/1889"}],"wp:attachment":[{"href":"https:\/\/www.batteryone.co\/blog\/wp-json\/wp\/v2\/media?parent=1888"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.batteryone.co\/blog\/wp-json\/wp\/v2\/categories?post=1888"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.batteryone.co\/blog\/wp-json\/wp\/v2\/tags?post=1888"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}