{"id":299,"date":"2026-11-11T11:11:17","date_gmt":"2026-11-11T11:11:17","guid":{"rendered":"https:\/\/pcsbattery.co.uk\/blog\/?page_id=299"},"modified":"2026-11-11T11:11:17","modified_gmt":"2026-11-11T11:11:17","slug":"replacement-dell-latitude-13-3379-2-in-1-batterya-review-buyer-guide","status":"publish","type":"page","link":"https:\/\/pcsbattery.co.uk\/blog\/replacement-dell-latitude-13-3379-2-in-1-batterya-review-buyer-guide\/","title":{"rendered":"Replacement Dell Latitude 13 3379 2-in-1 Batterya Review &#038; Buyer Guide"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\"><a href=\"https:\/\/www.pc-battery.co.uk\/dell-latitude-13-3379-2-in-1-replacement-battery.html\">Dell Latitude 13 3379 2-in-1 Battery<\/a><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.pc-battery.co.uk\/dell-latitude-13-3379-2-in-1-replacement-battery.html\"><strong>Replacement Dell Latitude 13 3379 2-in-1 Battery<\/strong><\/a>a <strong>Review &amp; Buyer Guide<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The <a href=\"https:\/\/www.pc-battery.co.uk\/dell-latitude-13-3379-2-in-1-replacement-battery.html\">Dell Latitude 13 3379<\/a> 2-in-1 is a flexible 13.3-inch convertible business laptop with a 360-degree hinge, supporting four usage modes: laptop, tent, stand and tablet. Popular in education, healthcare and remote office environments, this 6th Gen Intel Core convertible remains a reliable refurbished unit. Its built-in 3-cell lithium-ion battery is the most common wear component after years of frequent charge cycles. This article covers&nbsp; specs, hands-on runtime testing, replacement notes and a full FAQ for the <a href=\"https:\/\/www.pc-battery.co.uk\/dell-latitude-13-3379-2-in-1-replacement-battery.html\">Latitude 3379 2-in-1 battery<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dell shipped only one standard factory battery configuration for the <a href=\"https:\/\/www.pc-battery.co.uk\/dell-latitude-13-3379-2-in-1-replacement-battery.html\">Latitude 3379 2-in-1 battery<\/a>: <strong>42Wh, 3-cell, 11.4V Li-ion integrated battery<\/strong>. This model does not have a separate high-capacity upgrade option; there is no alternative larger battery variant for this chassis. It is an internal sealed battery and requires bottom cover removal for service. The matching&nbsp; part number is <strong>2PFPW<\/strong>, cross-reference PN: <strong>02PFPW, 3CRH3, T2JX4, CYMGM<\/strong>. It is not interchangeable with YRDD6 or 1VX1H batteries used for the newer Latitude 3310 2-in-1, even though both are 42Wh 3-cell packs.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Hands-on Product Review<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">We tested a certified <a href=\"https:\/\/www.pc-battery.co.uk\/dell-latitude-13-3379-2-in-1-replacement-battery.html\">replacement 2PFPW 42Wh battery<\/a> on a Latitude 3379 2-in-1 configured with i5-6200U, 8GB DDR4 RAM, 256GB SSD, FHD touch screen, Windows 10 Pro. Screen brightness locked at 50%, Wi\u2011Fi enabled, room temperature. All tests simulate real mixed-use scenarios.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Runtime Test Results<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Light office work (Word, Excel, web browsing): 4h 00min \u2013 4h 50min<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Video conference (Teams \/ Zoom): 2h 40min \u2013 3h 20min<\/li>\n\n\n\n<li>Local 1080p video playback: 4h 20min<\/li>\n\n\n\n<li>Tablet mode reading \/ PDF note-taking: 4h 30min<\/li>\n\n\n\n<li>Sleep standby: ~1\u20132% drain overnight<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">A heavily aged original battery with only 30\u201340% residual capacity often lasts just 40\u201360 minutes under light office load, which is the main reason many 3379 2-in-1 owners look for a replacement. Dell\u2019s original lab benchmark of over 8 hours was recorded under strict low-power test conditions and cannot be achieved in regular daily mixed use.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>What we like about certified<\/strong> <a href=\"https:\/\/www.pcsbattery.co.uk\/replacement-for-dell-latitude-13-3379-2-in-1-battery.html\"><strong>replacement dell latitude 3379 2-in-1 batteries<\/strong><\/a><\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li>Accurate smart communication chip: Windows battery percentage, BIOS battery health and Dell SupportAssist diagnostics read correctly. No sudden percentage jumps or \u201cbattery not recognised\u201d alerts.<\/li>\n\n\n\n<li>Stable discharge curve: No unexpected hard shutdown at 10\u201320% remaining charge, a common flaw of cheap generic batteries without proper BMS.<\/li>\n\n\n\n<li>Exact OEM shape, mounting holes and connector: Direct drop-in fit after removing the bottom cover, no modification required.<\/li>\n\n\n\n<li>Built-in multi-layer protection: overcharge, over-discharge, short-circuit and over-temperature protection for safer daily use.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Weaknesses &amp; Important Caveats<\/strong><\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li>No upgrade option. The 3379 chassis only supports this 42Wh 3-cell pack; there is no higher-capacity battery that can fit inside this model.<\/li>\n\n\n\n<li>Many sellers confuse it with <a href=\"https:\/\/www.pcsbattery.co.uk\/replacement-for-dell-latitude-13-3379-2-in-1-battery.html\">YRDD6 42Wh battery for Latitude 3310 2-in-1<\/a>. They share the same wattage but different connector and mounting layout, so they are not compatible. Always verify the PN on your old battery.<\/li>\n\n\n\n<li>Rated cycle life is approximately 300 full charge cycles under normal room temperature. After that, usable capacity will gradually drop.<\/li>\n\n\n\n<li>Installation requires removing the base cover. Before touching internal parts, power off the laptop, unplug the 45W barrel charger, disconnect the battery cable and press the power button for 10 seconds to release residual power. Do not bend, squeeze or puncture the lithium-ion cell.<\/li>\n\n\n\n<li>Swollen batteries are dangerous. Stop using the device immediately if you notice bulging, warped bottom cover, lifted trackpad or uneven screen hinge. Do not pierce or squeeze swollen batteries; dispose of them at a professional lithium battery recycling station.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Battery Maintenance Tips<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Use the original Dell 45W barrel AC adapter. Higher-wattage adapters work, but low-quality unbranded adapters may trigger slow charging or charging errors.<\/li>\n\n\n\n<li>Avoid draining the battery fully to 0% regularly. Deep discharge damages the protection board and shortens service life.<\/li>\n\n\n\n<li>If you keep the 2-in-1 docked and plugged in all day, use Dell Power Manager to set a charge limit (60\u201380%) to slow battery aging.<\/li>\n\n\n\n<li>Run battery diagnostics in SupportAssist or use powercfg \/batteryreport in Windows Command Prompt to track capacity degradation.<\/li>\n\n\n\n<li>Keep the convertible away from high heat, direct sunlight or soft beds while charging; heat is the biggest cause of lithium battery aging. When using it in tent or tablet mode, avoid blocking ventilation gaps.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>FAQ for<\/strong> <a><\/a><a href=\"https:\/\/www.pcsbattery.co.uk\/replacement-for-dell-latitude-13-3379-2-in-1-battery.html\"><strong>Replacement Dell Latitude 13 3379 2-in-1 Battery<\/strong><\/a><strong><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Q1: Which battery part number fits Latitude 3379 2-in-1?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A:&nbsp; PN: <a href=\"https:\/\/www.pcsbattery.co.uk\/replacement-for-dell-latitude-13-3379-2-in-1-battery.html\"><strong>2PFPW<\/strong><\/a> <strong>\/ 02PFPW<\/strong>. Cross PN: 3CRH3, T2JX4, CYMGM. Spec: 42Wh, 3-cell, 11.4V Li-ion. It is only for Latitude 3379 2-in-1. It <strong>cannot replace YRDD6 \/ 1VX1H<\/strong> for Latitude 3310 2-in-1.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Q2: Can I install a higher-capacity battery to get longer runtime?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A: No. The 3379 chassis only has space for this 42Wh 3-cell pack. There is no&nbsp; larger battery upgrade for this model. Runtime can only be improved by choosing a high-quality certified replacement battery.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Q3: My 3379 2-in-1 only runs when plugged in, Windows shows 100% battery. Is the battery dead?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A: This is a classic failure symptom. First run Dell SupportAssist battery diagnostics and check battery info in BIOS. If the diagnostic marks the battery failed, replacement is needed. Rarely, this can be caused by a loose battery connector or faulty charging circuit.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Q4: Can I replace the<\/strong> <a href=\"https:\/\/www.pcsbattery.co.uk\/replacement-for-dell-latitude-13-3379-2-in-1-battery.html\"><strong>dell latitude 3379 2-in-1 battery<\/strong><\/a> <strong>myself?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A: It is internal and not hot-swappable. You need to remove the bottom base cover, disconnect the battery cable and remove fixing screws. If you lack electronics repair experience, hire a professional technician. Always power off and unplug the charger before disassembly.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Q5: Does this battery support ExpressCharge?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A: The original OEM battery supports ExpressCharge. Only certified replacement batteries with the correct communication chip can support fast charging. Cheap generic batteries usually skip this function and charge slowly.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Q6: How do I check my battery health?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A: Two reliable ways:<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li>Press F2 during boot to enter BIOS and open the Battery Information page.<\/li>\n\n\n\n<li>Open Command Prompt and run powercfg \/batteryreport, or launch SupportAssist to run the battery hardware scan.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Q7: What charger should I use for Latitude 3379 2-in-1?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A: Dell original 45W barrel-style AC adapter is recommended. USB\u2011C PD chargers are not native for this model and may not charge reliably.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Q8: How many cycles can I expect from a new replacement battery?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A: Around 300 full charge cycles under normal office temperature. With light daily use and proper care, it can stay usable for roughly 2\u20133 years before capacity drops noticeably.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Q9: Is it safe to leave the 2-in-1 plugged in 24\/7?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A: Dell firmware stops charging once full. However, keeping the battery at 100% in warm conditions speeds up aging. If the machine stays docked long-term, set a charge limit via Dell Power Manager whenever possible.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Q10: What should I do if my battery is swollen?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A: Stop using the laptop right away. Disconnect the power adapter. Do not squeeze, puncture or force the battery out. Take it to a repair shop or authorised e-waste recycling centre for safe disposal.More info:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.pc-battery.co.uk\/dell-latitude-13-3379-2-in-1-replacement-battery.html\">https:\/\/www.pc-battery.co.uk\/dell-latitude-13-3379-2-in-1-replacement-battery.html<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.pcsbattery.co.uk\/replacement-for-dell-latitude-13-3379-2-in-1-battery.html\">https:\/\/www.pcsbattery.co.uk\/replacement-for-dell-latitude-13-3379-2-in-1-battery.html<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Dell Latitude 13 3379 2-in-1 Battery Replacement Dell Latitude 13 3379 2-in-1 Batterya Review &amp; Buyer Guide The Dell Latitude 13 3379 2-in-1 is a flexible 13.3-inch convertible business laptop with a 360-degree hinge, supporting four usage modes: laptop, tent, stand and tablet. Popular in education, healthcare and remote office environments, this 6th Gen Intel [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-299","page","type-page","status-publish","hentry"],"_hostinger_reach_plugin_has_subscription_block":false,"_hostinger_reach_plugin_is_elementor":false,"_links":{"self":[{"href":"https:\/\/pcsbattery.co.uk\/blog\/wp-json\/wp\/v2\/pages\/299","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pcsbattery.co.uk\/blog\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/pcsbattery.co.uk\/blog\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/pcsbattery.co.uk\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/pcsbattery.co.uk\/blog\/wp-json\/wp\/v2\/comments?post=299"}],"version-history":[{"count":1,"href":"https:\/\/pcsbattery.co.uk\/blog\/wp-json\/wp\/v2\/pages\/299\/revisions"}],"predecessor-version":[{"id":300,"href":"https:\/\/pcsbattery.co.uk\/blog\/wp-json\/wp\/v2\/pages\/299\/revisions\/300"}],"wp:attachment":[{"href":"https:\/\/pcsbattery.co.uk\/blog\/wp-json\/wp\/v2\/media?parent=299"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}