{"product_id":"molicel-inr-21700-p45b-battery-4500mah-45a-10pcs-flat-top-button-top-welded-tabs-protected","title":"Molicel INR-21700-P45B Battery 4500mAh 45A 10-Pack – Flat Top, Button Top, Spot Welded Tabs, Pre-Wired with Leads \u0026 Protected Top Options for E-Bikes, Power Tools, DIY Battery Packs","description":"\u003ch3\u003e\u003cspan class=\"\"\u003eDescription\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eThe Molicel INR-21700-P45B is a flagship high-power 21700 lithium-ion cell manufactured by Molicel (Taiwan), with a nominal capacity of 4500mAh and a maximum continuous discharge current of 45A (approximately 10C). As the next-generation upgrade to the P42A, it features a high-nickel ternary cathode and graphite\/silicon additive anode, delivering an energy density of 242Wh\/kg and a power density of 2314W\/kg, achieving an exceptional balance between capacity and power output\u003c\/span\u003e\u003ca href=\"https:\/\/www.molicel.com\/inr-21700-p45b\/\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/voltt.aboutenergy.io\/cell-library\/Molicel_P45B?q=Molicel\u0026amp;auth=login\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan class=\"\"\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eThe P45B‘s core advantage lies in its low internal resistance—maximum DCIR is only 13.8mΩ, a 22% reduction compared to the P42A. This means lower voltage sag and less heat generation under high-current discharge, resulting in more stable actual output\u003c\/span\u003e\u003ca href=\"https:\/\/www.molicel.com\/inr-21700-p45b\/\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/www.molicel.com\/cn\/inr-21700-p45b\/\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan class=\"\"\u003e. It also supports up to 3C (13.5A) continuous fast charging, significantly reducing charging wait times\u003c\/span\u003e\u003ca href=\"https:\/\/www.molicel.com\/inr-21700-p45b\/\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/www.thingbits.net\/products\/molicel-inr21700-p45b-3-6v-4500-mah-lithium-ion-rechargeable-battery\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan class=\"\"\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eIn terms of cycle life, the P45B retains over 80% capacity after 500 cycles, and in eVTOL simulation testing achieved over 90% capacity retention after 3,270 cycles\u003c\/span\u003e\u003ca href=\"https:\/\/www.molicel.com\/inr-21700-p45b\/\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/proceedings.vtol.org\/82\/proceedingsPaper?paper=271\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan class=\"\"\u003e. In E-Formula racing environment comparison tests, the P45B showed 42.5% lower capacity fade and 48.8% lower internal resistance growth compared to the Samsung 40T, demonstrating exceptional high-power durability\u003c\/span\u003e\u003ca href=\"https:\/\/www.ksae.org\/func\/download_journal.php?path=L2hvbWUvdmlydHVhbC9rc2FlL2h0ZG9jcy91cGxvYWQvam91cm5hbC8yMDI1MTIyNzIxMTA0OC41MTQ5LjEuMy5wZGY=\u0026amp;filename=MjVTS1NBRV9SMDA2LnBkZg==\u0026amp;bsid=57011#1#1\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan class=\"\"\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eThis product is available in five configurations: flat top, button top, spot welded tabs, pre-wired leads, and protected top. The 10-pack format supports applications ranging from DIY battery pack assembly to drop-in replacements. As a bare cell, the standard version requires a BMS-equipped system.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan class=\"\"\u003eKey Features\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e4500mAh High Capacity\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: Typical capacity of 4.5Ah (16.2Wh), a 7% capacity increase over the P42A while maintaining 45A discharge capability for longer runtime\u003c\/span\u003e\u003ca href=\"https:\/\/www.molicel.com\/inr-21700-p45b\/\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eTrue 45A Continuous Discharge\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: Genuine continuous discharge current with maximum power output of 184W (10s, SOC 90%)\u003c\/span\u003e\u003ca href=\"https:\/\/www.molicel.com\/inr-21700-p45b\/\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eUltra-Low Internal Resistance\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: Maximum DCIR of only 13.8mΩ, 22% lower than P42A, minimizing voltage sag and maximizing efficiency under high current\u003c\/span\u003e\u003ca href=\"https:\/\/www.molicel.com\/inr-21700-p45b\/\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e3C Fast Charging\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: Supports up to 13.5A continuous fast charge, significantly reducing charging time\u003c\/span\u003e\u003ca href=\"https:\/\/www.molicel.com\/inr-21700-p45b\/\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/www.thingbits.net\/products\/molicel-inr21700-p45b-3-6v-4500-mah-lithium-ion-rechargeable-battery\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eOutstanding Cycle Life\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: ≥80% capacity retention after 500+ cycles, far exceeding comparable competitors in high-power scenarios\u003c\/span\u003e\u003ca href=\"https:\/\/www.molicel.com\/inr-21700-p45b\/\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eFive Configuration Options\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: Flat top, button top, spot welded tabs, pre-wired leads, and protected top for different assembly scenarios\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan class=\"\"\u003eParameters\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv class=\"ds-scroll-area ds-scroll-area--show-on-focus-within ds-scroll-area--enabled _1210dd7 c03cafe9\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan class=\"\"\u003eParameter\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan class=\"\"\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eBrand\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eMolicel\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eModel\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eINR-21700-P45B\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eBattery Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eLi-ion (high-Ni cathode + graphite\/Si anode)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eSize\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e21700 (21.6mm diameter × 70.2mm height)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eTypical Capacity\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e4500mAh (16.2Wh)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eMinimum Capacity\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e4300mAh\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eNominal Voltage\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e3.6V\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eCharge Cut-off Voltage\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e4.2V\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eDischarge Cut-off Voltage\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e2.5V\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eMax Continuous Discharge\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e45A (80°C cut-off)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eMax Continuous Charge\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e13.5A (3C)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eMax Internal Resistance (DCIR)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e13.8mΩ\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eWeight\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e≤70g\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eEnergy Density (Gravimetric)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e242Wh\/kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eEnergy Density (Volumetric)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e643Wh\/L\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003ePower Output\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cspan class=\"\"\u003e184W (10s, SOC 90%) \/ 168W (10s, SOC 50%)\u003c\/span\u003e\u003ca href=\"https:\/\/www.molicel.com\/inr-21700-p45b\/\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eCycle Life\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cspan class=\"\"\u003e500+ cycles, ≥80% capacity retention\u003c\/span\u003e\u003ca href=\"https:\/\/www.molicel.com\/inr-21700-p45b\/\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eOperating Temperature (Charge)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e0°C ~ 60°C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eOperating Temperature (Discharge)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cspan class=\"\"\u003e-40°C ~ 80°C\u003c\/span\u003e\u003ca href=\"https:\/\/www.master-instruments.com.au\/products\/67471\/#top\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eVersion\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eFlat Top \/ Button Top \/ Spot Welded Tabs \/ Pre-Wired \/ Protected Top\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003ePack Quantity\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e10-Pack\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch3\u003e\u003cspan class=\"\"\u003eApplications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eE-Bikes and e-scooters\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: High power output and long range for acceleration and hill climbing\u003c\/span\u003e\u003ca href=\"https:\/\/www.bicyclemotorworks.com\/post\/molicel-p42a-vs-p45b-vs-p50b-the-gold-standard-for-high-performance-ebike-cells?srsltid=AfmBOoo-H3o465lcVitfut2EF7pryWH6JMs3uG4fTYgAN4I6JODG-xnH\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003ePower tools\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: High-power cordless drills, angle grinders, saws, and professional-grade tool battery packs\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eeVTOLs and drones\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: High power density for vertical take-off and landing instantaneous power demands\u003c\/span\u003e\u003ca href=\"https:\/\/www.aboutenergy.io\/post\/state-of-health-assessment-of-the-molicel-p45b-how-long-will-my-evtol-battery-last\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/www.aboutenergy.io\/voltt-battery-library\/molicel-p45b\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eRacing and high-performance vehicles\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: E-Formula racing battery packs and motorsport applications\u003c\/span\u003e\u003ca href=\"https:\/\/www.ksae.org\/func\/download_journal.php?path=L2hvbWUvdmlydHVhbC9rc2FlL2h0ZG9jcy91cGxvYWQvam91cm5hbC8yMDI1MTIyNzIxMTA0OC41MTQ5LjEuMy5wZGY=\u0026amp;filename=MjVTS1NBRV9SMDA2LnBkZg==\u0026amp;bsid=57011#1#1\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eVaping and high-drain portable devices\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: Stable high-current output\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eDIY battery pack assembly\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: Welded tabs and pre-wired versions for spot welding and quick connections\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan class=\"\"\u003eFAQ\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ1: What is the capacity of the P45B?\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan class=\"\"\u003eA: Typical capacity is 4500mAh (16.2Wh), with a minimum capacity of 4300mAh—approximately a 7% increase over the P42A\u003c\/span\u003e\u003ca href=\"https:\/\/www.molicel.com\/inr-21700-p45b\/\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/www.thingbits.net\/products\/molicel-inr21700-p45b-3-6v-4500-mah-lithium-ion-rechargeable-battery\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan class=\"\"\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ2: What is the maximum discharge current?\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan class=\"\"\u003eA: The maximum continuous discharge current is 45A (approximately 10C), achieved under 80°C temperature cut-off conditions. Maximum power output is 184W (10s, SOC 90%)\u003c\/span\u003e\u003ca href=\"https:\/\/www.molicel.com\/inr-21700-p45b\/\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan class=\"\"\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ3: What are the main differences between P45B and P42A?\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan class=\"\"\u003eA: The P45B is the upgraded successor to the P42A: capacity increased from 4200mAh to 4500mAh (+7%), DCIR reduced from approximately 16mΩ to 13.8mΩ (-22%), and charging capability upgraded to 3C (13.5A) fast charge\u003c\/span\u003e\u003ca href=\"https:\/\/www.molicel.com\/inr-21700-p45b\/\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/hysincere.com\/zh-hans\/molicel-21700-battery-series-review-p42a-p45b-p50b-cn\/\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan class=\"\"\u003e. The P45B delivers longer runtime and lower heat while maintaining 45A discharge.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ4: What is the cycle life of this cell?\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan class=\"\"\u003eA: Under standard conditions, 500+ cycles with ≥80% capacity retention. In eVTOL simulated high-power cycling tests, over 90% capacity was retained after 3,270 cycles\u003c\/span\u003e\u003ca href=\"https:\/\/www.molicel.com\/inr-21700-p45b\/\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/proceedings.vtol.org\/82\/proceedingsPaper?paper=271\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan class=\"\"\u003e. In E-Formula racing environment comparisons, capacity fade was 42.5% lower than the Samsung 40T\u003c\/span\u003e\u003ca href=\"https:\/\/www.ksae.org\/func\/download_journal.php?path=L2hvbWUvdmlydHVhbC9rc2FlL2h0ZG9jcy91cGxvYWQvam91cm5hbC8yMDI1MTIyNzIxMTA0OC41MTQ5LjEuMy5wZGY=\u0026amp;filename=MjVTS1NBRV9SMDA2LnBkZg==\u0026amp;bsid=57011#1#1\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan class=\"\"\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ5: What are the differences between flat top, button top, welded tabs, pre-wired, and protected versions?\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan class=\"\"\u003eA: Flat top suits standard battery compartments or spot-welding assembly. Button top fits spring-loaded contacts. Welded tabs are for direct spot-welding into packs. Pre-wired leads suit quick replacement or solder-free applications. Protected versions include built-in overcharge\/over-discharge\/short-circuit protection, suitable for single-cell use without a BMS.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ6: Does this cell have a protection circuit?\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan class=\"\"\u003eA: Standard, welded tab, and pre-wired versions are\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eunprotected bare cells\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eand must be used with a BMS or protected devices. The protected top version includes built-in protection circuitry, suitable for standalone single-cell use.\u003c\/span\u003e\u003c\/p\u003e","brand":"Molicel","offers":[{"title":"Flat Top","offer_id":51659569103094,"sku":"Oneandes50","price":102.98,"currency_code":"USD","in_stock":true},{"title":"Button Top","offer_id":51659569135862,"sku":"Oneandes51","price":103.98,"currency_code":"USD","in_stock":true},{"title":"Spot Welded Tabs","offer_id":51659569168630,"sku":"Oneandes52","price":103.98,"currency_code":"USD","in_stock":true},{"title":"Pre-wired with Leads","offer_id":51659569201398,"sku":"Oneandes53","price":103.98,"currency_code":"USD","in_stock":true},{"title":"Protected Top","offer_id":51659569234166,"sku":"Oneandes54","price":110.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/2753\/6886\/files\/molicel-inr-21700-p45b-battery-4500mah-45a-10pcs-button-top-main.webp?v=1789634934","url":"https:\/\/oneandes.com\/products\/molicel-inr-21700-p45b-battery-4500mah-45a-10pcs-flat-top-button-top-welded-tabs-protected","provider":"OneAndes","version":"1.0","type":"link"}