{"id":1139,"date":"2026-01-04T13:03:02","date_gmt":"2026-01-04T05:03:02","guid":{"rendered":"https:\/\/mystenergy.com\/?post_type=product&#038;p=1139"},"modified":"2026-01-04T13:03:02","modified_gmt":"2026-01-04T05:03:02","slug":"high-quality-10440-320mah-cylinder-battery","status":"publish","type":"product","link":"https:\/\/mystenergy.com\/?product=high-quality-10440-320mah-cylinder-battery","title":{"rendered":"Customized 3.7V 10440 Lithium 320mAh Cylinder Battery"},"content":{"rendered":"<div id=\"ali-anchor-AliPostDhMb-na2i0\" class=\"mceSectionContainer\" data-section=\"AliPostDhMb-na2i0\" data-section-title=\"Product Description\">\n<p data-spm-anchor-id=\"a2700.details-description.0.i0.1a17UEcVUEcVWI\">Customized 3.7V 10440 Lithium 320mAh Cylinder Battery<\/p>\n<p data-spm-anchor-id=\"a2700.details-description.0.i0.1a17UEcVUEcVWI\">Customized li ion battery 3.7v 320mah 10440 cylinder battery<\/p>\n<p data-spm-anchor-id=\"a2700.details-description.0.i0.1a17UEcVUEcVWI\">Customized LED Lights Flashlight Li Ion Battery 3.7V Rechargeable 10440 Lithium Battery 320mAh<\/p>\n<p data-spm-anchor-id=\"a2700.details-description.0.i0.1a17UEcVUEcVWI\">\u00a0<strong>Application<\/strong><\/p>\n<p>Telecommunications: Cellular phone, interphone, blue tooth earphone<br \/>\nVideo Devices: MP3\/MP4\/MP5, digital camera, portable DVD, portable television<br \/>\nPortable Devices: GPS, PDA, E-book, PSP, portable medical device etc<br \/>\nIlluminate Devices: Miner lamp, search light<\/p>\n<p>customized li ion battery 3.7v 320mah 10440 cylinder battery<\/p>\n<\/div>\n<p><img fetchpriority=\"high\" decoding=\"async\" src=\"https:\/\/sc04.alicdn.com\/kf\/H1084120d365b47c2855a9d99bfeeb1bbe\/236504947\/H1084120d365b47c2855a9d99bfeeb1bbe.jpg\" alt=\"Customized LED Lights Flashlight Li Ion Battery 3.7V Rechargeable 10440 Lithium Batter 320mAh 350mah\" width=\"750\" height=\"467\" data-src=\"\/\/sc04.alicdn.com\/kf\/H1084120d365b47c2855a9d99bfeeb1bbe\/236504947\/H1084120d365b47c2855a9d99bfeeb1bbe.jpg\" data-alt=\"Customized LED Lights Flashlight Li Ion Battery 3.7V Rechargeable 10440 Lithium Batter 320mAh 350mah\" \/><\/p>\n<p>&nbsp;<\/p>\n<p><strong>\u00a0Product Specification<\/strong><\/p>\n<p>10440 320mah cylinder battery<\/p>\n<table border=\"0\" cellspacing=\"0\">\n<tbody>\n<tr>\n<td valign=\"top\">\n<p align=\"center\">Model<\/p>\n<\/td>\n<td valign=\"top\">CT10440<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\">\n<p align=\"center\">Product size<\/p>\n<\/td>\n<td valign=\"top\">10mm*44mm(Diameter * Height)<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\">\n<p align=\"center\">Nominal Voltage<\/p>\n<\/td>\n<td valign=\"top\">3.7v<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\">\n<p align=\"center\">Rated\u00a0Capacity<\/p>\n<\/td>\n<td valign=\"top\">320mAh<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\">\n<p align=\"center\">Charge Voltage<\/p>\n<\/td>\n<td valign=\"top\">5V<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\">\n<p align=\"center\">Discharge Voltage<\/p>\n<\/td>\n<td valign=\"top\">2.75V-4.2V<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\">\n<p align=\"center\">Charge Current<\/p>\n<\/td>\n<td valign=\"top\">1C<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\">\n<p align=\"center\">Discharge Current<\/p>\n<\/td>\n<td valign=\"top\">1C<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\">\n<p align=\"center\">Operating Environment<\/p>\n<\/td>\n<td valign=\"top\">Charging:0\u00b0C~50\u00b0C<\/p>\n<p>Discharging::-20\u00b0C~60\u00b0C<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\">\n<p align=\"center\">Cycle Life<\/p>\n<\/td>\n<td valign=\"top\">300-400\u00a0times\u00a0\u00a0&gt;80%<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\">\n<p align=\"center\">Storage Environment<\/p>\n<\/td>\n<td valign=\"top\">-20\u00b0C~45\u00b0C;65\u00b120RH<\/p>\n<p>Storage for a long time(&gt;3 months)and the storage condition shall be:&lt;35\u00b0C;65\u00b120RH<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\">\n<p align=\"justify\">\u00a0Protective function<\/p>\n<\/td>\n<td valign=\"top\">\u00a0anti-overcharge,anti-short circuit,anti-overcurrent,anti-\u00a0 \u00a0overload,thermal no explosion, no fire<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\">\n<p align=\"justify\">\u00a0Weight<\/p>\n<\/td>\n<td valign=\"top\">\u00a025g<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\">\n<p align=\"justify\">\u00a0Certificate<\/p>\n<\/td>\n<td valign=\"top\">\u00a0MSDS<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\">\n<p align=\"center\">Application<\/p>\n<\/td>\n<td valign=\"top\">\u00a0Desk lamp\/ Flashlight\/ Beauty\u00a0instrument\/Electric toothbrush<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div><\/div>\n<div id=\"ali-anchor-AliPostDhMb-o048m\" class=\"mceSectionContainer\" data-section=\"AliPostDhMb-o048m\" data-section-title=\"Detailed images\">\n<div id=\"ali-title-AliPostDhMb-o048m\">10440 320mah cylinder battery Detailed images<\/div>\n<div><img decoding=\"async\" src=\"https:\/\/sc04.alicdn.com\/kf\/Hf78b4eeb9c7b4dbe8a5eb05ce7198d11w\/236504947\/Hf78b4eeb9c7b4dbe8a5eb05ce7198d11w.jpg\" alt=\"Customized LED Lights Flashlight Li Ion Battery 3.7V Rechargeable 10440 Lithium Batter 320mAh 350mah\" width=\"640\" height=\"640\" data-src=\"\/\/sc04.alicdn.com\/kf\/Hf78b4eeb9c7b4dbe8a5eb05ce7198d11w\/236504947\/Hf78b4eeb9c7b4dbe8a5eb05ce7198d11w.jpg\" data-alt=\"Customized LED Lights Flashlight Li Ion Battery 3.7V Rechargeable 10440 Lithium Batter 320mAh 350mah\" \/><img decoding=\"async\" src=\"https:\/\/sc04.alicdn.com\/kf\/Headbe2a4d54e48eb8af2bae1752a5495i\/236504947\/Headbe2a4d54e48eb8af2bae1752a5495i.jpg\" alt=\"Customized LED Lights Flashlight Li Ion Battery 3.7V Rechargeable 10440 Lithium Batter 320mAh 350mah\" width=\"640\" height=\"640\" data-src=\"\/\/sc04.alicdn.com\/kf\/Headbe2a4d54e48eb8af2bae1752a5495i\/236504947\/Headbe2a4d54e48eb8af2bae1752a5495i.jpg\" data-alt=\"Customized LED Lights Flashlight Li Ion Battery 3.7V Rechargeable 10440 Lithium Batter 320mAh 350mah\" \/><\/p>\n<\/div>\n<\/div>\n<div id=\"ali-anchor-AliPostDhMb-h60c2\" class=\"mceSectionContainer\" data-section=\"AliPostDhMb-h60c2\" data-section-title=\"Production Process\">\n<div id=\"ali-title-AliPostDhMb-h60c2\">Production Process<\/div>\n<div>\n<p>\u00a0<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/sc04.alicdn.com\/kf\/Hfed8ed4824a84fe1b028bf9055f86551v\/236504947\/Hfed8ed4824a84fe1b028bf9055f86551v.jpg\" alt=\"Customized LED Lights Flashlight Li Ion Battery 3.7V Rechargeable 10440 Lithium Batter 320mAh 350mah\" width=\"700\" height=\"800\" data-src=\"\/\/sc04.alicdn.com\/kf\/Hfed8ed4824a84fe1b028bf9055f86551v\/236504947\/Hfed8ed4824a84fe1b028bf9055f86551v.jpg\" data-alt=\"Customized LED Lights Flashlight Li Ion Battery 3.7V Rechargeable 10440 Lithium Batter 320mAh 350mah\" \/><\/p>\n<\/div>\n<\/div>\n<div id=\"ali-anchor-AliPostDhMb-4a3yw\" class=\"mceSectionContainer\" data-section=\"AliPostDhMb-4a3yw\" data-section-title=\"Packaging &amp; Shipping\">\n<div id=\"ali-title-AliPostDhMb-4a3yw\">Packaging &amp; Shipping<\/div>\n<div>\n<p>Packaging<\/p>\n<\/div>\n<\/div>\n<div>\n<p>&nbsp;<\/p>\n<p>Shipping<\/p>\n<p>1.Shipping by express like DHL FEDEX UPS TNT is available<\/p>\n<p>2. Shipping by air or by sea is OK.<\/p>\n<p>We have been cooperating with worldwide first class shipping agents for over years, they offer us good price and good service all the time.<\/p>\n<p>&nbsp;<\/p>\n<\/div>\n<div id=\"ali-anchor-AliPostDhMb-gvwqc\" class=\"mceSectionContainer\" data-section=\"AliPostDhMb-gvwqc\" data-section-title=\"Certifications\">\n<p>We have many models, if you want to know more information, please feel free to contact me, thank you!<\/p>\n<p>&nbsp;<\/p>\n<\/div>\n<div id=\"ali-anchor-AliPostDhMb-sl084\" class=\"mceSectionContainer\" data-section=\"AliPostDhMb-sl084\" data-section-title=\"Our Services\">\n<div id=\"ali-title-AliPostDhMb-sl084\">Our Services<\/div>\n<div><\/div>\n<\/div>\n<p>1.Brand new<\/p>\n<p>2.OEM\/ODM\u00a0available<\/p>\n<p>3.Quality 100% assured,<\/p>\n<p>4.Fast Shipping<\/p>\n<p>5.Customizing\u00a0and drawings are acceptable<\/p>\n<p>6.With 24 hours reply<\/p>\n<p>&nbsp;<\/p>\n<div id=\"ali-anchor-AliPostDhMb-arpqc\" class=\"mceSectionContainer\" data-section=\"AliPostDhMb-arpqc\" data-section-title=\"Company Information\">\n<div id=\"ali-title-AliPostDhMb-arpqc\">Company Information<\/div>\n<\/div>\n<p>&nbsp;<\/p>\n<p><strong>Shenzhen Mastang Technology Co., Limited\u00a0<\/strong>is a comprehensive battery of R&amp;D, design, production and processing as one of high quality battery manufacturer. The company has has a number of more than ten years specializing in R&amp;D lithium battery protection areas. Adopting new technology and new facility to produce Li-ion battery in high power, high voltage, wide temperature range of battery design, battery assembly design has its own unique technical ideas, and achieve the success of many customers at home and abroad to solve a variety of special purpose battery demand.<\/p>\n<p>&nbsp;<\/p>\n<p><span data-spm-anchor-id=\"a2700.details-description.0.i1.1a17UEcVUEcVWI\">Our production capacity reaches 100,000pcs daily production of polymer battery cells, 200,000pcs daily production of aluminum shell battery cells and 100,000pcs of ends product battery pack.<\/span>Our battery has character pf big capacity, good safety and long cycle life. We have successively obtained CE, RoHS, MSDS, UL, CB\/IEC62133, KC, ISO and UN38.3 \u00a0Certifications.<\/p>\n<p>&nbsp;<\/p>\n<p>We always insist\u00a0\u201c\u00a0treat others integrity to establish the credit enterprise\u00a0\u201d\u00a0.<\/p>\n<p>&nbsp;<\/p>\n<p>With its attitude to pursuit excellence, is creating a new energy era of perfect quality, leading Chinese battery industry and turning itself into a world-class battery company.Only customer\u2019s success is our success!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>high quality customized 10440 320mah cylinder battery<\/p>\n","protected":false},"featured_media":1140,"comment_status":"open","ping_status":"closed","template":"","meta":{"_eb_attr":"","_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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