{"product_id":"18-5v-4a-18650-5s2p-4000mah-rechargeable-li-ion-battery-with-nickel-tab-5-series-packs-2-parallel-packs-for-hand-drill-power-tool-motor-electric-wrench","title":"TMR 18650 18.5V 4000mAh 1C Pre-Welded Li-ion Battery Pack – 2P5S Layout with Nickel Tabs for DIY Power Tools \u0026 Flashlights","description":"\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eProduct Description:\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eThis TMR 18650 18.5V 4000mAh 1C Li-ion Battery Pack is a high-performance, pre-assembled power solution designed for DIY enthusiasts and professional retrofitting. Engineered in a \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e2 Parallel × 5 Series (2P5S)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e layout, it delivers a stable 18.5V output with a massive 4000mAh capacity, making it perfect for power-hungry 18V-class devices.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eConstructed using genuine TMR 18650-2000mAh cells, this battery pack comes with nickel tabs already spot-welded in place, allowing for quick and hassle-free integration into your projects. Built with a multi-layer leak-proof design and a fully inspected secondary explosion-proof structure, it ensures maximum safety and durability. With an impressive 1500+ cycle life, this pack offers exceptional long-term value and reliability.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eKey Features:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eCustom 2P5S Layout (18.5V 4000mAh):\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Features a 2 Parallel × 5 Series configuration, delivering a powerful 18.5V output and a high 4000mAh capacity for extended runtimes.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003ePre-Welded Nickel Tabs:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Comes with nickel strips already spot-welded for easy connection. No need for complicated soldering or battery spot welding.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003ePremium TMR 18650 Cells:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e High-quality, true-to-spec 2000mAh 3.7V cells from TMR with a stable 1C discharge rate.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eMulti-Layer Leak-Proof \u0026amp; Explosion-Proof Design:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Features a fully inspected secondary explosion-proof design, bottom sealing cap, and safety heat-dissipation vents to rapidly release gas in extreme cases, preventing swelling or explosion.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e1500+ Long Cycle Life:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Supports over 1500 recharge cycles. Economical, durable, and environmentally friendly.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eMercury-Free \u0026amp; Eco-Friendly:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Safe, non-toxic, and environmentally friendly battery construction.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eStable Discharge Performance:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Delivers consistent and stable voltage output, ensuring reliable power for your devices throughout the discharge cycle.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eProfessional Quality Assurance:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Manufactured by TMR, a trusted brand with rigorous quality control for long-lasting, dependable performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eProduct Parameters:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eBrand:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e TMR \u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eConfiguration:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e 2 Parallel × 5 Series (2P5S)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eTotal Voltage:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e 18.5V\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eTotal Capacity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e 4000mAh\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eSingle Cell Model:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e 18650 Li-ion Battery\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eSingle Cell Capacity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e 2000mAh\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eNominal Voltage:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e 3.7V\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eDischarge Rate:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e 1C\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eInternal Resistance:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e ≤50mΩ\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eCycle Life:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e ≥1500 times\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eWeight (Total):\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Approx. 430g (based on 10 cells)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eCharge Temperature:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e 0°C to 45°C\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eDischarge Temperature:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e -10°C to 60°C\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eCharging Cut-off Voltage:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e 4.2V (per cell) \/ 21V (total pack)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eTab Layout:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Pre-welded nickel tabs for easy connection\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eSafety Design:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Multi-layer leak-proof, secondary explosion-proof, bottom sealing cap, safety heat-dissipation vents\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eApplications:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eHigh-Performance LED Flashlights:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Reliable, high-capacity power for high-lumen tactical flashlights and outdoor searchlights.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e18V Cordless Power Tools:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Ideal for retrofitting and powering cordless electric screwdrivers, drills, and other 18V-class DIY tools.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eRC Hobbies \u0026amp; Drones:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Powers remote-controlled aircraft, heavy-lift drones, and large-scale RC car models.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eOutdoor Portable Power Stations:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e A core power module for building custom portable energy storage systems and outdoor power banks.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eSmart Home \u0026amp; Security Systems:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Reliable backup power for high-power wireless sensors, security cameras, and smart doorbells.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eFrequently Asked Questions (FAQ):\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\n\u003cstrong\u003e\u003cspan class=\"\"\u003eQ1: What does \"2P5S\" mean in this battery pack?\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA1: \"2P5S\" means the pack is arranged in a 2 Parallel × 5 Series configuration. In simpler terms, it consists of 10 cells total: 5 sets of cells connected in series (to achieve 18.5V), with each series set having 2 cells connected in parallel (to achieve 4000mAh capacity).\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\n\u003cstrong\u003e\u003cspan class=\"\"\u003eQ2: Are the nickel tabs already welded to the batteries?\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA2: Yes! The nickel tabs are pre-spot-welded for easy connection. There is no need for complicated soldering or spot welding equipment. You can connect them directly to your device's wiring.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\n\u003cstrong\u003e\u003cspan class=\"\"\u003eQ3: What is the advantage of the multiple safety designs shown in the images?\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA3: These battery packs feature a bottom sealing cap and safety heat-dissipation vents. Combined with a fully inspected secondary explosion-proof design, these features safely release internal gases in extreme conditions, effectively preventing battery swelling, leakage, or explosion.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\n\u003cstrong\u003e\u003cspan class=\"\"\u003eQ4: How do I charge this 18.5V 4000mAh battery pack?\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA4: You must use a charger specifically designed for 18.5V Lithium-ion battery packs. The charger must support a cut-off voltage of 21V. We recommend using a dedicated smart charger with over-charge protection for your specific 18.5V application.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\n\u003cstrong\u003e\u003cspan class=\"\"\u003eQ5: Why should I choose this pre-welded pack over buying individual cells?\u003c\/span\u003e\u003c\/strong\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA5: Buying individual cells requires professional spot welding equipment and complex assembly skills, which is time-consuming and carries safety risks. This pre-welded pack eliminates the assembly work, ensuring correct battery alignment, proper connections, and immediate ready-to-use convenience.\u003c\/span\u003e\u003c\/p\u003e","brand":"OneAndes","offers":[{"title":"Default Title","offer_id":51454192025846,"sku":"OAS832","price":29.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/2753\/6886\/files\/images-products185v-4a-5s2p-4000mah-18650-pack_b1825382-d1cf-4b3b-84d7-cf139d42e70c.webp?v=1786967067","url":"https:\/\/oneandes.com\/products\/18-5v-4a-18650-5s2p-4000mah-rechargeable-li-ion-battery-with-nickel-tab-5-series-packs-2-parallel-packs-for-hand-drill-power-tool-motor-electric-wrench","provider":"OneAndes","version":"1.0","type":"link"}