{"id":172,"date":"2020-11-16T18:52:39","date_gmt":"2020-11-17T02:52:39","guid":{"rendered":"https:\/\/denco.ad6dm.net\/batts\/?p=172"},"modified":"2021-10-28T15:10:57","modified_gmt":"2021-10-28T23:10:57","slug":"denco-qrp-batt-2","status":"publish","type":"post","link":"https:\/\/denco.ad6dm.net\/batts\/denco-qrp-batt-2\/","title":{"rendered":"DenCo QRP Batt 2"},"content":{"rendered":"\n<p>I thought it was about time to duplicate the QRP Batt 1 that I had sent to NJ7V Charlie, now that I had a new Icom IC-705.<\/p>\n\n\n\n<p>While this protection board limits to 8A, these cells are capable of pulse to 150A. Perhaps higher capacity, lesser drain 26650&#8217;s by K2 would be suitable for this board.<\/p>\n\n\n\n<p><strong>General Specs:<\/strong><br>Created: November 2, 2020.<br>Cells: K2 26650 2.85Ah 3.2v LiFePO4 (capable of 150A pulse max)<br>Protection Board: HX-4S-3828 LiFePO4 BMS PCB Board for 26650 or 18650 LiFePO4.<br>Configuration: 4S1P.<br>Total Rated Capacity: 2.85Ah.<br>Current Owner: W9FFF Sean.<\/p>\n\n\n\n<figure class=\"wp-block-gallery columns-2 wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\"><ul class=\"blocks-gallery-grid\"><li class=\"blocks-gallery-item\"><figure><a href=\"https:\/\/denco.ad6dm.net\/batts\/wp-content\/uploads\/2020\/11\/IMG_8538-1-scaled.jpeg\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"1024\" src=\"https:\/\/denco.ad6dm.net\/batts\/wp-content\/uploads\/2020\/11\/IMG_8538-1-768x1024.jpeg\" alt=\"\" data-id=\"178\" data-full-url=\"https:\/\/denco.ad6dm.net\/batts\/wp-content\/uploads\/2020\/11\/IMG_8538-1-scaled.jpeg\" data-link=\"https:\/\/denco.ad6dm.net\/batts\/?attachment_id=178\" class=\"wp-image-178\" srcset=\"https:\/\/denco.ad6dm.net\/batts\/wp-content\/uploads\/2020\/11\/IMG_8538-1-768x1024.jpeg 768w, https:\/\/denco.ad6dm.net\/batts\/wp-content\/uploads\/2020\/11\/IMG_8538-1-225x300.jpeg 225w, https:\/\/denco.ad6dm.net\/batts\/wp-content\/uploads\/2020\/11\/IMG_8538-1-1152x1536.jpeg 1152w, https:\/\/denco.ad6dm.net\/batts\/wp-content\/uploads\/2020\/11\/IMG_8538-1-1536x2048.jpeg 1536w, https:\/\/denco.ad6dm.net\/batts\/wp-content\/uploads\/2020\/11\/IMG_8538-1-scaled.jpeg 1920w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><\/a><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><a href=\"https:\/\/denco.ad6dm.net\/batts\/wp-content\/uploads\/2020\/11\/IMG_8537-scaled.jpeg\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"1024\" src=\"https:\/\/denco.ad6dm.net\/batts\/wp-content\/uploads\/2020\/11\/IMG_8537-768x1024.jpeg\" alt=\"\" data-id=\"179\" data-full-url=\"https:\/\/denco.ad6dm.net\/batts\/wp-content\/uploads\/2020\/11\/IMG_8537-scaled.jpeg\" data-link=\"https:\/\/denco.ad6dm.net\/batts\/?attachment_id=179\" class=\"wp-image-179\" srcset=\"https:\/\/denco.ad6dm.net\/batts\/wp-content\/uploads\/2020\/11\/IMG_8537-768x1024.jpeg 768w, https:\/\/denco.ad6dm.net\/batts\/wp-content\/uploads\/2020\/11\/IMG_8537-225x300.jpeg 225w, https:\/\/denco.ad6dm.net\/batts\/wp-content\/uploads\/2020\/11\/IMG_8537-1152x1536.jpeg 1152w, https:\/\/denco.ad6dm.net\/batts\/wp-content\/uploads\/2020\/11\/IMG_8537-1536x2048.jpeg 1536w, https:\/\/denco.ad6dm.net\/batts\/wp-content\/uploads\/2020\/11\/IMG_8537-scaled.jpeg 1920w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><\/a><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><a href=\"https:\/\/denco.ad6dm.net\/batts\/wp-content\/uploads\/2020\/11\/IMG_8559-scaled.jpeg\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/denco.ad6dm.net\/batts\/wp-content\/uploads\/2020\/11\/IMG_8559-1024x768.jpeg\" alt=\"\" data-id=\"175\" data-full-url=\"https:\/\/denco.ad6dm.net\/batts\/wp-content\/uploads\/2020\/11\/IMG_8559-scaled.jpeg\" data-link=\"https:\/\/denco.ad6dm.net\/batts\/?attachment_id=175\" class=\"wp-image-175\" srcset=\"https:\/\/denco.ad6dm.net\/batts\/wp-content\/uploads\/2020\/11\/IMG_8559-1024x768.jpeg 1024w, https:\/\/denco.ad6dm.net\/batts\/wp-content\/uploads\/2020\/11\/IMG_8559-300x225.jpeg 300w, https:\/\/denco.ad6dm.net\/batts\/wp-content\/uploads\/2020\/11\/IMG_8559-768x576.jpeg 768w, https:\/\/denco.ad6dm.net\/batts\/wp-content\/uploads\/2020\/11\/IMG_8559-1536x1152.jpeg 1536w, https:\/\/denco.ad6dm.net\/batts\/wp-content\/uploads\/2020\/11\/IMG_8559-2048x1536.jpeg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><a href=\"https:\/\/denco.ad6dm.net\/batts\/wp-content\/uploads\/2020\/11\/IMG_8558-scaled.jpeg\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/denco.ad6dm.net\/batts\/wp-content\/uploads\/2020\/11\/IMG_8558-1024x768.jpeg\" alt=\"\" data-id=\"176\" data-full-url=\"https:\/\/denco.ad6dm.net\/batts\/wp-content\/uploads\/2020\/11\/IMG_8558-scaled.jpeg\" data-link=\"https:\/\/denco.ad6dm.net\/batts\/?attachment_id=176\" class=\"wp-image-176\" srcset=\"https:\/\/denco.ad6dm.net\/batts\/wp-content\/uploads\/2020\/11\/IMG_8558-1024x768.jpeg 1024w, https:\/\/denco.ad6dm.net\/batts\/wp-content\/uploads\/2020\/11\/IMG_8558-300x225.jpeg 300w, https:\/\/denco.ad6dm.net\/batts\/wp-content\/uploads\/2020\/11\/IMG_8558-768x576.jpeg 768w, https:\/\/denco.ad6dm.net\/batts\/wp-content\/uploads\/2020\/11\/IMG_8558-1536x1152.jpeg 1536w, https:\/\/denco.ad6dm.net\/batts\/wp-content\/uploads\/2020\/11\/IMG_8558-2048x1536.jpeg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><a href=\"https:\/\/denco.ad6dm.net\/batts\/wp-content\/uploads\/2020\/11\/IMG_8570-scaled.jpeg\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"1024\" src=\"https:\/\/denco.ad6dm.net\/batts\/wp-content\/uploads\/2020\/11\/IMG_8570-768x1024.jpeg\" alt=\"\" data-id=\"173\" data-full-url=\"https:\/\/denco.ad6dm.net\/batts\/wp-content\/uploads\/2020\/11\/IMG_8570-scaled.jpeg\" data-link=\"https:\/\/denco.ad6dm.net\/batts\/?attachment_id=173\" class=\"wp-image-173\" srcset=\"https:\/\/denco.ad6dm.net\/batts\/wp-content\/uploads\/2020\/11\/IMG_8570-768x1024.jpeg 768w, https:\/\/denco.ad6dm.net\/batts\/wp-content\/uploads\/2020\/11\/IMG_8570-225x300.jpeg 225w, https:\/\/denco.ad6dm.net\/batts\/wp-content\/uploads\/2020\/11\/IMG_8570-1152x1536.jpeg 1152w, https:\/\/denco.ad6dm.net\/batts\/wp-content\/uploads\/2020\/11\/IMG_8570-1536x2048.jpeg 1536w, https:\/\/denco.ad6dm.net\/batts\/wp-content\/uploads\/2020\/11\/IMG_8570-scaled.jpeg 1920w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><\/a><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><a href=\"https:\/\/denco.ad6dm.net\/batts\/wp-content\/uploads\/2020\/11\/IMG_8569-scaled.jpeg\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"1024\" src=\"https:\/\/denco.ad6dm.net\/batts\/wp-content\/uploads\/2020\/11\/IMG_8569-768x1024.jpeg\" alt=\"\" data-id=\"174\" data-full-url=\"https:\/\/denco.ad6dm.net\/batts\/wp-content\/uploads\/2020\/11\/IMG_8569-scaled.jpeg\" data-link=\"https:\/\/denco.ad6dm.net\/batts\/?attachment_id=174\" class=\"wp-image-174\" srcset=\"https:\/\/denco.ad6dm.net\/batts\/wp-content\/uploads\/2020\/11\/IMG_8569-768x1024.jpeg 768w, https:\/\/denco.ad6dm.net\/batts\/wp-content\/uploads\/2020\/11\/IMG_8569-225x300.jpeg 225w, https:\/\/denco.ad6dm.net\/batts\/wp-content\/uploads\/2020\/11\/IMG_8569-1152x1536.jpeg 1152w, https:\/\/denco.ad6dm.net\/batts\/wp-content\/uploads\/2020\/11\/IMG_8569-1536x2048.jpeg 1536w, https:\/\/denco.ad6dm.net\/batts\/wp-content\/uploads\/2020\/11\/IMG_8569-scaled.jpeg 1920w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><\/a><\/figure><\/li><\/ul><\/figure>\n\n\n\n<figure class=\"wp-block-embed is-type-rich is-provider-twitter wp-block-embed-twitter\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"twitter-tweet\" data-width=\"550\" data-dnt=\"true\"><p lang=\"und\" dir=\"ltr\"><a href=\"https:\/\/twitter.com\/hashtag\/DIY?src=hash&amp;ref_src=twsrc%5Etfw\">#DIY<\/a> <a href=\"https:\/\/twitter.com\/hashtag\/LiFePO4?src=hash&amp;ref_src=twsrc%5Etfw\">#LiFePO4<\/a> 3Ah \ud83d\udd0b <a href=\"https:\/\/twitter.com\/hashtag\/hamradio?src=hash&amp;ref_src=twsrc%5Etfw\">#hamradio<\/a> <a href=\"https:\/\/t.co\/P3LKzkBmrw\">pic.twitter.com\/P3LKzkBmrw<\/a><\/p>&mdash; AD6DM Dennis (@AD6DM) <a href=\"https:\/\/twitter.com\/AD6DM\/status\/1323464435751514112?ref_src=twsrc%5Etfw\">November 3, 2020<\/a><\/blockquote><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script>\n<\/div><\/figure>\n\n\n\n<p><strong>Cell Specs:<\/strong><br>Brand: K2<br>Model: LFP26650P<br>Capacity: 2850mah<br>Watt Hours: 9.4<br>Nominal Voltage: 3.2<br>Fully Charged Voltage: 3.65 (recommended), 4.1 (maximum)<br>Fully Discharged Voltage: 2.5 (recommended), 2.0 (maximum)<br>Continuous Discharge (A): 42<br>Pulse 30 Seconds Discharge (A): 50<br>Short Pulse Discharge (A): 150<br>Charge Current (A): 5<\/p>\n\n\n\n<p><strong>BMS Specs:<\/strong><br>This board does NOT BALANCE.<br>Model: HX-4S-3828<br>Module size: 38 x 28 x 3.8mm \/ 1.49 x 1.10 x 0.15 inch<br>Upper limit working current: 8A<br>Upper limit instantaneous current: 20A<br>Over charge voltage range: 3.65\u00b10.05V<br>Over discharge voltage range: 2.35V\u00b10.05V<br>Static current: &lt;30uA<br>Charge voltage: 14.4V-15 V<br>Short circuit protection: yes. Delay self recovery<br>Tips: After the wiring is successful, the board needs to be charged and activated before it has output.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"161\" height=\"163\" src=\"https:\/\/denco.ad6dm.net\/batts\/wp-content\/uploads\/2021\/04\/qrp_batt_2_qr_code.png\" alt=\"\" class=\"wp-image-328\"\/><\/figure><\/div>\n","protected":false},"excerpt":{"rendered":"<p>I thought it was about time to duplicate the QRP Batt 1 that I had sent to NJ7V Charlie, now that I had a new Icom IC-705. While this protection board limits to 8A, these cells are capable of pulse to 150A. Perhaps higher capacity, lesser drain 26650&#8217;s by K2 would be suitable for this &hellip;<\/p>\n<p class=\"read-more\"> <a class=\" thunk-readmore button \" href=\"https:\/\/denco.ad6dm.net\/batts\/denco-qrp-batt-2\/\"> <span class=\"screen-reader-text\">DenCo QRP Batt 2<\/span>Read More<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[3],"tags":[],"class_list":["post-172","post","type-post","status-publish","format-standard","hentry","category-lifepo4-batteries"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/denco.ad6dm.net\/batts\/wp-json\/wp\/v2\/posts\/172","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/denco.ad6dm.net\/batts\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/denco.ad6dm.net\/batts\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/denco.ad6dm.net\/batts\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/denco.ad6dm.net\/batts\/wp-json\/wp\/v2\/comments?post=172"}],"version-history":[{"count":5,"href":"https:\/\/denco.ad6dm.net\/batts\/wp-json\/wp\/v2\/posts\/172\/revisions"}],"predecessor-version":[{"id":427,"href":"https:\/\/denco.ad6dm.net\/batts\/wp-json\/wp\/v2\/posts\/172\/revisions\/427"}],"wp:attachment":[{"href":"https:\/\/denco.ad6dm.net\/batts\/wp-json\/wp\/v2\/media?parent=172"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/denco.ad6dm.net\/batts\/wp-json\/wp\/v2\/categories?post=172"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/denco.ad6dm.net\/batts\/wp-json\/wp\/v2\/tags?post=172"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}