{"id":35266,"date":"2018-12-21T08:13:46","date_gmt":"2018-12-21T12:13:46","guid":{"rendered":"https:\/\/swling.com\/blog\/?p=35266"},"modified":"2018-12-21T08:13:46","modified_gmt":"2018-12-21T12:13:46","slug":"an-external-battery-pack-for-the-sony-icf-sw35","status":"publish","type":"post","link":"https:\/\/swling.com\/blog\/2018\/12\/an-external-battery-pack-for-the-sony-icf-sw35\/","title":{"rendered":"An external battery pack for the Sony ICF-SW35?"},"content":{"rendered":"<p><a href=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2018\/12\/Sony-ICF-SW35.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-35269\" src=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2018\/12\/Sony-ICF-SW35.jpg\" alt=\"\" width=\"425\" height=\"358\" srcset=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2018\/12\/Sony-ICF-SW35.jpg 425w, https:\/\/swling.com\/blog\/wp-content\/uploads\/2018\/12\/Sony-ICF-SW35-300x253.jpg 300w\" sizes=\"auto, (max-width: 425px) 100vw, 425px\" \/><\/a>Many thanks to <em>SWLing Post<\/em> contributor, Adam, who writes:<\/p>\n<blockquote><p>Hi Thomas I enjoy reading your blog and often when I put a question in Google yours is the first on the list so I wonder if you&#8217;d mind if I ask you a question about the Sony SW35.<\/p>\n<p>I&#8217;m interested to try powering it from a power bank but I have no idea what DC plug to buy for it as I bought it second-hand without an adaptor.<\/p>\n<p>I thought about taking a couple of wires out of the battery compartment but it wouldn&#8217;t look as nice so any help you could give me would be much appreciated.<\/p><\/blockquote>\n<p><span style=\"font-size: 1rem;\">Great question, Adam! <\/span><\/p>\n<p>You can certainly find a DC plug that will work with the ICF-SW35. I believe this same plug was used with a number of Sony Walkman type players back in the day. You might be able to find one at the local charity\/thrift shop in their power cord jumble.<\/p>\n<p><a href=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2018\/12\/Screen-Shot-2018-12-21-at-6.29.21-AM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-35267 size-medium\" src=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2018\/12\/Screen-Shot-2018-12-21-at-6.29.21-AM-300x116.png\" alt=\"DC plug coaxial port\" width=\"300\" height=\"116\" srcset=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2018\/12\/Screen-Shot-2018-12-21-at-6.29.21-AM-300x116.png 300w, https:\/\/swling.com\/blog\/wp-content\/uploads\/2018\/12\/Screen-Shot-2018-12-21-at-6.29.21-AM-624x242.png 624w, https:\/\/swling.com\/blog\/wp-content\/uploads\/2018\/12\/Screen-Shot-2018-12-21-at-6.29.21-AM.png 649w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a>I do know that the coaxial type plug needs to have positive tip polarity (<a href=\"https:\/\/www.sony.com\/electronics\/support\/res\/manuals\/W000\/W0005091M.pdf\" target=\"_blank\" rel=\"noopener\">click here to read about this in the owner&#8217;s manual<\/a>) and the radio requires 4.5 VDC . The OEM power adapter (<a href=\"http:\/\/rover.ebay.com\/rover\/1\/711-53200-19255-0\/1?icep_ff3=9&amp;pub=5574879351&amp;toolid=10001&amp;campid=5337666156&amp;customid=&amp;icep_uq=AC-E45HG&amp;icep_sellerId=&amp;icep_ex_kw=&amp;icep_sortBy=12&amp;icep_catId=&amp;icep_minPrice=&amp;icep_maxPrice=&amp;ipn=psmain&amp;icep_vectorid=229466&amp;kwid=902099&amp;mtid=824&amp;kw=lg\" target=\"_blank\" rel=\"noopener\">Model AC-E45HG<\/a>) provided 700 mAh, but I don&#8217;t know what the &#8216;SW35 actually requires (other than something equal to or less than 700 mAh).<\/p>\n<p>One option would be to find a 12VDC to 4.5 VDC converter like the <a href=\"http:\/\/rover.ebay.com\/rover\/1\/711-53200-19255-0\/1?icep_ff3=9&amp;pub=5574879351&amp;toolid=10001&amp;campid=5337666156&amp;customid=&amp;icep_uq=Sony%C2%A0DCC-E345&amp;icep_sellerId=&amp;icep_ex_kw=&amp;icep_sortBy=12&amp;icep_catId=&amp;icep_minPrice=&amp;icep_maxPrice=&amp;ipn=psmain&amp;icep_vectorid=229466&amp;kwid=902099&amp;mtid=824&amp;kw=lg\" target=\"_blank\" rel=\"noopener\">Sony\u00a0DCC-E345<\/a> and plug it into a 12VDC source (there are a number of high capacity 12V battery packs on the market).<\/p>\n<p>Of course, you could also build your own external source by purchasing an appropriately sized external battery holder. I would use a D cell holder (I assume one to hold 3 cells at 1.5VDC x 3 = 4.5 VDC) which would provide much better capacity than a AA cell holder. (<a href=\"https:\/\/www.amazon.com\/uxcell-Battery-Holder-Storage-Batteries\/dp\/B07JQC66YY\/ref=sr_1_3?ie=UTF8&amp;qid=1545394131&amp;sr=8-3&amp;keywords=4.5v+D+holder&amp;tag=swlcom01-20\" target=\"_blank\" rel=\"noopener\">Something like this.<\/a>)<\/p>\n<p>I haven&#8217;t been able to determine the +\/- voltage tolerance of the ICF-SW35, so I would keep the supply voltage figure at or below 4.5 volts.<\/p>\n<p>One crucial number I&#8217;m missing is the coaxial plug size. I can&#8217;t seem to find a spec for OEM <a href=\"http:\/\/rover.ebay.com\/rover\/1\/711-53200-19255-0\/1?icep_ff3=9&amp;pub=5574879351&amp;toolid=10001&amp;campid=5337666156&amp;customid=&amp;icep_uq=AC-E45HG&amp;icep_sellerId=&amp;icep_ex_kw=&amp;icep_sortBy=12&amp;icep_catId=&amp;icep_minPrice=&amp;icep_maxPrice=&amp;ipn=psmain&amp;icep_vectorid=229466&amp;kwid=902099&amp;mtid=824&amp;kw=lg\" target=\"_blank\" rel=\"noopener\">Sony\u00a0AC-E45HG<\/a>. I hope a reader might be able to help us here.<\/p>\n<p><strong><em>Post<\/em> readers:<\/strong> Can anyone confirm the DC plug size for the Sony ICF-SW35?\u00a0 If you have any other advice or tips for Adam, please comment!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Many thanks to SWLing Post contributor, Adam, who writes: Hi Thomas I enjoy reading your blog and often when I put a question in Google yours is the first on the list so I wonder if you&#8217;d mind if I ask you a question about the Sony SW35. I&#8217;m interested to try powering it from [&hellip;]<\/p>\n","protected":false},"author":15,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[4199,627,3,139,43],"tags":[7476,6734,495,6733],"class_list":["post-35266","post","type-post","status-publish","format-standard","hentry","category-accessories","category-how-to","category-news","category-radio-modifications","category-shortwave-radio","tag-external-battery-packs","tag-icf-sw35","tag-sony","tag-sony-icf-sw35"],"jetpack_publicize_connections":[],"jetpack_shortlink":"https:\/\/wp.me\/pn3uc-9aO","jetpack-related-posts":[{"id":30282,"url":"https:\/\/swling.com\/blog\/2018\/01\/rolfs-sony-icf-sw35-mod-removes-the-beep-sound\/","url_meta":{"origin":35266,"position":0},"title":"Rolf&#8217;s Sony ICF-SW35 mod removes the beep sound","author":"Thomas","date":"January 15, 2018","format":false,"excerpt":"Many thanks to\u00a0SWLing Post\u00a0contributor,\u00a0Rolf Snijder, who shares the following modification for the Sony ICF-SW35. The mod is very simple: remove one capacitor. Rolf shows the capacitor location on the following images: Thanks, once again, for sharing your modifications, Rolf!","rel":"","context":"In &quot;News&quot;","block_context":{"text":"News","link":"https:\/\/swling.com\/blog\/category\/news\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2018\/01\/Sony-ICF-SW35-Backlight-Mod-1024x669.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2018\/01\/Sony-ICF-SW35-Backlight-Mod-1024x669.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2018\/01\/Sony-ICF-SW35-Backlight-Mod-1024x669.jpg?resize=525%2C300&ssl=1 1.5x"},"classes":[]},{"id":29990,"url":"https:\/\/swling.com\/blog\/2018\/01\/rolfs-led-backlight-mod-for-sony-icf-sw35\/","url_meta":{"origin":35266,"position":1},"title":"Rolf&#8217;s LED backlight mod for Sony ICF-SW35","author":"Thomas","date":"January 6, 2018","format":false,"excerpt":"Many thanks to\u00a0SWLing Post\u00a0contributor,\u00a0Rolf Snijder, who writes: This is a simple LED backlight modification for the Sony ICF-SW35. Simply add a 120K resistor and a bright LED: When you push the backlight switch, the light stays on. When radio is turned off, the light goes off--then push light switch and\u2026","rel":"","context":"In &quot;News&quot;","block_context":{"text":"News","link":"https:\/\/swling.com\/blog\/category\/news\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2018\/01\/Sony-ICF-SW35-Backlight-Mod-1024x669.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2018\/01\/Sony-ICF-SW35-Backlight-Mod-1024x669.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2018\/01\/Sony-ICF-SW35-Backlight-Mod-1024x669.jpg?resize=525%2C300&ssl=1 1.5x"},"classes":[]},{"id":30844,"url":"https:\/\/swling.com\/blog\/2018\/02\/sony-could-halt-production-of-shortwave-radios-in-february\/","url_meta":{"origin":35266,"position":2},"title":"Sony could halt production of shortwave radios in February","author":"Thomas","date":"February 13, 2018","format":false,"excerpt":"Several SWLing Post readers have sent me a link to this item on BCL News\u00a0(originally posted by\u00a0Takahito Akabayashi via WOR) stating that Sony will cease production of all shortwave radios this month: SONY Japan declared in January that they ended the production of ICF-SW35 shortwave receiver. 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