{"id":4065,"date":"2017-09-24T20:59:27","date_gmt":"2017-09-25T03:59:27","guid":{"rendered":"https:\/\/www.vernier.com\/til\/4065"},"modified":"2021-10-28T12:46:25","modified_gmt":"2021-10-28T19:46:25","slug":"4065","status":"publish","type":"post","link":"https:\/\/www.vernier.com\/til\/4065","title":{"rendered":"How do I change the battery in my Heart Rate Sensor (Polar Module)"},"content":{"rendered":"<p>Determine if you have a Polar H7 Module or a Polar H9 Module on your heart rate monitor. The Polar H9 Module has a grey label. The Polar H7 Module is black and has Bluetooth smart written underneath the Polar logo. Both modules uses a simple watch battery (CR 2025, 3V) that can be easily replaced.<\/p>\n<p>The Polar H9 Module has a battery case that is designed to &#8220;pop&#8221; off using a lever type of action. There is a depression next to the battery case on the back of the module. A small screwdriver or house key works well to pop open the case.&nbsp;&nbsp;<\/p>\n<p>The Polar H7 Module has a slot in the battery case. The battery case is opened by turning the case from the &#8220;closed&#8221; to &#8220;open&#8217; position. The cap can then be removed and the battery can be replaced.<\/p>\n<p>Please watch the videos below for proper removal and replacement of the batteries in each module.<\/p>\n<p><a href=\"https:\/\/support.polar.com\/us-en\/support\/changing_battery_to_polar_h7_heart_rate_sensor\">Polar\u2019s video on how to change the battery in the Polar H7:<\/a><\/p>\n<p class=\"wp-block-paragraph\">Polar&#8217;s Video on how to change the battery on the Polar H9<\/p>\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-4-3 wp-has-aspect-ratio\">\n<div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Polar H1\/H2\/H3\/H6\/H9\/H10 Heart Rate Sensor | How to Change Battery\" width=\"640\" height=\"360\" src=\"https:\/\/www.youtube.com\/embed\/WstkqOaJx3A?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div>\n<\/figure>","protected":false},"excerpt":{"rendered":"<p>Determine if you have a Polar H7 Module or a Polar H9 Module on your heart rate monitor. The Polar H9 Module has a grey&#8230;<\/p>\n","protected":false},"author":8971,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[],"tags":[421,778,6006,5705,3621,780,3526],"class_list":["post-4065","post","type-post","status-publish","format-standard","hentry","tag-battery","tag-ehr-bta","tag-gw-ehr","tag-gw-hr","tag-heart","tag-hgh-bta","tag-rate"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/posts\/4065","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/users\/8971"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/comments?post=4065"}],"version-history":[{"count":0,"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/posts\/4065\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/media?parent=4065"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/categories?post=4065"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/tags?post=4065"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}