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The 603450 3.7V 1200mAh LiPo Battery Pack is designed for compact electronic devices that require reliable runtime, stable voltage output, and flexible battery customization. With a 3.7V nominal voltage and 1200mAh capacity, this battery pack is suitable for smart controllers, IoT devices, portable instruments, Bluetooth products, medical electronics, handheld devices, and other rechargeable electronic equipment.
As a professional lithium polymer battery manufacturer, LithoTop provides customized 603450 LiPo battery pack solutions, including connector selection, wire length, PCM protection, NTC, cable direction, battery labels, shrink wrap, packaging, and OEM/ODM battery pack assembly.
| Product Type | Li-Polymer battery |
|---|---|
| Model number | 603450 |
| Voltage (Nominal) | 3.7V |
| Capacity (Nominal) | 1200mAh |
| Dimensions | 6.0±0.2*34±0.5*50±2.5mm |
| Constant Discharge Current | Typically 0.5C-1C |
| Working Temperature | charge: 0-45℃; discharge: -20-60℃ |
| Certification | ROHS |
Delivering superior performance consistency and longer cycle life through automated cell matching technology designed for heavy-duty industrial applications.

The 603450 3.7V 1200mAh LiPo battery pack is designed for product developers who need a practical balance between compact size, longer runtime, and stable rechargeable performance. Its pouch cell structure allows flexible integration into handheld products, smart controllers, wireless devices, portable monitoring equipment, and compact rechargeable systems.
With 1200mAh capacity, this battery pack provides stronger runtime than many smaller LiPo batteries while still keeping a compact form factor. It can support control boards, Bluetooth modules, wireless transmission circuits, sensors, LED indicators, small displays, alarm functions, and standby operation.
LithoTop applies strict production control during cell selection, capacity testing, voltage inspection, internal resistance testing, PCM assembly, aging verification, appearance inspection, and final quality control. These processes help ensure stable battery performance, reliable safety protection, and consistent mass production quality.


| Models | Voltage(V) | Capacity(mAh) | Cell Dimensions(mm) | Shape |
|---|---|---|---|---|
| 601015 | 3.7 | 60 | 6.0*10*15mm | Rectangle |
| 601030 | 3.7 | 150 | 6.0*10*30mm | Rectangle |
| 601040 | 3.7 | 200 | 6.0*10*40mm | Rectangle |
| 601045 | 3.7 | 260 | 6.0*10*45mm | Rectangle |
| 601114 | 3.7 | 60 | 6.0*11*14mm | Rectangle |
| 601115 | 3.7 | 70 | 6.0*11*15mm | Rectangle |
| 601218 | 3.7 | 90 | 6.0*12*18mm | Rectangle |
| 601220 | 3.7 | 110 | 6.0*12*20mm | Rectangle |
| 601225 | 3.7 | 150 | 6.0*12*25mm | Rectangle |
| 601225 | 3.8 | 190 | 6.0*12*29mm | Rectangle |
| 601230 | 3.7 | 180 | 6.0*12*30mm | Rectangle |
| 601236 | 3.7 | 250 | 6.0*12*36mm | Rectangle |
| 601245 | 3.7 | 320 | 6.0*12*45mm | Rectangle |
| 601260 | 3.7 | 400 | 6.0*12*60mm | Rectangle |
| 601332 | 3.7 | 170 | 6.0*13*32mm | Rectangle |
| 601430 | 3.7 | 210 | 6.0*14*30mm | Rectangle |
| 601430 | 3.8 | 280 | 6.0*14*30mm | Rectangle |
| 601435 | 3.7 | 280 | 6.0*14*35mm | Rectangle |
| 601448 | 3.7 | 400 | 6.0*14*48mm | Rectangle |
| 601452 | 3.7 | 450 | 6.0*14*52mm | Rectangle |
| 601515 | 3.7 | 90 | 6.0*15*15mm | Rectangle |
| 601520 | 3.7 | 150 | 6.0*15*20mm | Rectangle |
| 601525 | 3.7 | 180 | 6.0*15*25mm | Rectangle |
| 601530 | 3.7 | 230-3C | 6.0*15*30mm | Rectangle |
| 601530 | 3.7 | 250 | 6.0*15*30mm | Rectangle |
| 601535 | 3.7 | 300 | 6.0*15*35mm | Rectangle |
| 601621 | 3.7 | 160-3C | 6.0*16*21mm | Rectangle |
| 601624 | 3.7 | 180 | 6.0*16*24mm | Rectangle |
| 601730 | 3.7 | 270 | 6.0*17*30mm | Rectangle |
| 601735 | 3.7 | 350 | 6.0*17*35mm | Rectangle |
| 601748 | 3.7 | 480 | 6.0*17*48mm | Rectangle |
| 601752 | 3.7 | 500 | 6.0*17*52mm | Rectangle |
| 601818 | 3.7 | 160 | 6.0*18*18mm | Rectangle |
| 601821 | 3.7 | 180 | 6.0*18*21mm | Rectangle |
| 601843 | 3.7 | 450 | 6.0*18*43mm | Rectangle |
| 602020 | 3.7 | 200 | 6.0*20*20mm | Rectangle |
| 602025 | 3.7 | 250 | 6.0*20*25mm | Rectangle |
| 602030 | 3.7 | 300 | 6.0*20*30mm | Rectangle |
| 602035 | 3.7 | 400 | 6.0*20*35mm | Rectangle |
| 602040 | 3.7 | 450 | 6.0*20*40mm | Rectangle |
| 602045 | 3.7 | 500 | 6.0*20*45mm | Rectangle |
| 602060 | 3.7 | 800 | 6.0*20*60mm | Rectangle |
| 602060 | 3.8 | 1000 | 6.0*20*60mm | Rectangle |
| 602080 | 3.7 | 1200 | 6.0*20*80mm | Rectangle |
| 602225 | 3.7 | 260 | 6.0*22*25mm | Rectangle |
| 602242 | 3.7 | 500 | 6.0*22*42mm | Rectangle |
| 602248 | 3.7 | 650 | 6.0*22*48mm | Rectangle |
| 602423 | 3.7 | 300 | 6.0*24*23mm | Rectangle |
| 602435 | 3.7 | 400-10C | 6.0*24*35mm | Rectangle |
| 602525 | 3.7 | 300 | 6.0*25*25mm | Rectangle |
| 602525 | 3.8 | 400 | 6.0*25*25mm | Rectangle |
| 602530 | 3.7 | 400 | 6.0*25*30mm | Rectangle |
| 602535 | 3.7 | 500 | 6.0*25*35mm | Rectangle |
| 602540 | 3.7 | 600 | 6.0*25*40mm | Rectangle |
| 602560 | 3.7 | 1000 | 6.0*25*60mm | Rectangle |
| 602626 | 3.7 | 400 | 6.0*26*26mm | Rectangle |
| 602661 | 3.7 | 1300 | 6.0*26*61mm | Rectangle |
| 602690 | 3.7 | 1600 | 6.0*26*90mm | Rectangle |
| 602740 | 3.7 | 600 | 6.0*27*40mm | Rectangle |
| 602823 | 3.7 | 350 | 6.0*28*23mm | Rectangle |
| 602827 | 3.7 | 420 | 6.0*28*27mm | Rectangle |
| 602830 | 3.7 | 530 | 6.0*28*30mm | Rectangle |
| 602840 | 3.7 | 700 | 6.0*28*40mm | Rectangle |
| 603030 | 3.7 | 500 | 6.0*30*30mm | Rectangle |
| 603035 | 3.7 | 600 | 6.0*30*35mm | Rectangle |
| 603040 | 3.7 | 750 | 6.0*30*40mm | Rectangle |
| 603048 | 3.7 | 1000 | 6.0*30*48mm | Rectangle |
| 603055 | 3.7 | 1000 | 6.0*30*55mm | Rectangle |
| 603060 | 3.7 | 1200 | 6.0*30*60mm | Rectangle |
| 603443 | 3.7 | 850 | 6.0*33*43mm | Rectangle |
| 603450 | 3.7 | 1200 | 6.0*34*50mm | Rectangle |
| 603759 | 3.7 | 1500 | 6.0*37*59mm | Rectangle |
| 604040 | 3.7 | 1000 | 6.0*40*40mm | Rectangle |
| 604050 | 3.7 | 1500 | 6.0*40*50mm | Rectangle |
| 604060 | 3.7 | 1800 | 6.0*40*60mm | Rectangle |
| 604070 | 3.7 | 2000 | 6.0*40*70mm | Rectangle |
| 604340 | 3.7 | 1200 | 6.0*43*40mm | Rectangle |
| 604365 | 3.8 | 2500 | 6.0*43*65mm | Rectangle |
| 604545 | 3.7 | 1500 | 6.0*45*45mm | Rectangle |
| 605060 | 3.7 | 2100 | 6.0*50*60mm | Rectangle |
| 605080 | 3.7 | 3000 | 6.0*50*80mm | Rectangle |
| 606090 | 3.7 | 4000 | 6.0*60*90mm | Rectangle |
| 6060100 | 3.7 | 5000 | 6.0*60*100mm | Rectangle |
| 621430 | 3.7 | 230 | 6.2*14*30mm | Rectangle |
| 621525 | 3.7 | 220 | 6.2*15*25mm | Rectangle |
| 621665 | 3.7 | 690 | 6.2*16*65mm | Rectangle |
| 622334 | 3.8 | 500 | 6.2*23*34mm | Rectangle |
| 634063 | 3.7 | 1800 | 6.3*40*63mm | Rectangle |
| 651214 | 3.7 | 70 | 6.5*12*14mm | Rectangle |
| 651248 | 3.7 | 330 | 6.5*12*48mm | Rectangle |
| 651313 | 3.7 | 65 | 6.5*13*13mm | Rectangle |
| 651520 | 3.7 | 150 | 6.5*15*20mm | Rectangle |
| 651535 | 3.7 | 300 | 6.5*15*35mm | Rectangle |
| 651665 | 3.7 | 720 | 6.5*16*65mm | Rectangle |
| 651725 | 3.7 | 230 | 6.5*17*25mm | Rectangle |
| 651728 | 3.7 | 240 | 6.5*17*28mm | Rectangle |
| 651730 | 3.7 | 260-5C | 6.5*17*30mm | Rectangle |
| 651730 | 3.7 | 280 | 6.5*17*30mm | Rectangle |
| 651750 | 3.7 | 700 | 6.5*17*50mm | Rectangle |
| 651921 | 3.7 | 230 | 6.5*19*21mm | Rectangle |
| 652025 | 3.7 | 300 | 6.5*20*25mm | Rectangle |
| 652035 | 3.7 | 420 | 6.5*20*35mm | Rectangle |
| 652040 | 3.7 | 520 | 6.5*20*40mm | Rectangle |
| 652432 | 3.7 | 450 | 6.5*24*32mm | Rectangle |
| 652461 | 3.8 | 1250 | 6.5*24*61mm | Rectangle |
| 652530 | 3.7 | 500 | 6.5*25*30mm | Rectangle |
| 652672 | 3.7 | 1300 | 6.5*26*72mm | Rectangle |
| 652728 | 3.7 | 500 | 6.5*27*28mm | Rectangle |
| 652729 | 3.8 | 620 | 6.5*27*29mm | Rectangle |
| 653030 | 3.7 | 680 | 6.5*30*30mm | Rectangle |
| 653040 | 3.7 | 800 | 6.5*30*40mm | Rectangle |
| 653050 | 3.8 | 1250 | 6.5*30*50mm | Rectangle |
| 653237 | 3.7 | 780 | 6.5*32*37mm | Rectangle |
| 653435 | 3.7 | 800 | 6.5*34*35mm | Rectangle |
| 653450 | 3.7 | 1300 | 6.5*34*50mm | Rectangle |
| 654060 | 3.7 | 2000 | 6.5*40*60mm | Rectangle |
| 654065 | 3.7 | 2200 | 6.5*40*65mm | Rectangle |
| 654075 | 3.7 | 2500 | 6.5*40*75mm | Rectangle |
| 655065 | 3.8 | 3400 | 6.5*50*65mm | Rectangle |
| 655065 | 3.7 | 3000 | 6.5*50*65mm | Rectangle |
| 656090 | 3.7 | 5000 | 6.5*60*90mm | Rectangle |
| 671818 | 3.7 | 160 | 6.7*18*18mm | Rectangle |
| 672045 | 3.7 | 600 | 6.7*20*45mm | Rectangle |
| 681345 | 3.7 | 400 | 6.8*13*45mm | Rectangle |
| 681818 | 3.7 | 155 | 6.8*18*18mm | Rectangle |
| 682028 | 3.7 | 380 | 6.8*20*28mm | Rectangle |
| 683048 | 3.7 | 1000 | 6.8*30*48mm | Rectangle |
*Contact us for custom LiPo battery or customize your special battery !
Discover how we helps global customers solve real-world battery challenges through customized lithium battery solutions.
A Czech agricultural automation company was developing a rechargeable smart greenhouse vent controller for temperature and humidity management. The device needed to power a small motor driver, environmental sensors, wireless communication module, LED indicator, and standby control circuit. The customer’s earlier battery option could power the prototype, but runtime became unstable when the controller performed frequent vent adjustment during hot daytime conditions.
The customer contacted LithoTop because they needed a compact 3.7V LiPo battery pack with higher capacity, stable discharge behavior, customized connector assembly, and RoHS support for European market preparation. LithoTop reviewed the controller’s motor activation current, sensor sampling cycle, wireless upload interval, charging circuit, enclosure space, cable outlet direction, and expected daily operating pattern.
After evaluation, LithoTop recommended the 603450 3.7V 1200mAh LiPo Battery Pack. Our engineering team judged that the 1200mAh capacity could provide a stronger runtime margin while still fitting the customer’s compact controller housing. LithoTop also customized the wire length, connector type, PCM protection, insulation method, and label format according to the customer’s assembly process.
During sample development, LithoTop supported motor activation simulation, sensor operation testing, wireless pulse discharge testing, standby evaluation, charging compatibility checking, temperature observation, and installation fit validation. Because the product was planned for European sales, LithoTop also supported RoHS documentation preparation for the battery project.
Before mass production, both teams confirmed samples, electrical performance, connector durability, battery dimensions, RoHS support documents, packaging requirements, and incoming inspection standards. The final battery solution helped the greenhouse controller operate more reliably during repeated vent adjustment cycles. For the customer, this reduced battery-related field risk, improved smart agriculture system stability, and supported smoother RoHS preparation for European distribution.
A Malaysian hospitality electronics company was developing a rechargeable restaurant paging device used in food courts, cafés, and quick-service restaurants. The product needed to power an LED light ring, vibration motor, buzzer, wireless receiving circuit, and standby system. The customer wanted the pager to remain slim and lightweight, but their first battery design caused short operating time during busy dining hours.
The customer approached LithoTop because they needed a rechargeable battery pack that could support repeated vibration alerts, LED flashing, and long standby time without making the pager housing too thick. LithoTop analyzed the pager’s standby current, vibration motor load, buzzer activation cycle, LED flashing mode, wireless receiving current, charging base design, and internal battery cavity.
Based on this analysis, LithoTop recommended the 603450 3.7V 1200mAh LiPo battery pack as a compact rechargeable power source. The 1200mAh capacity helped support longer daily operation, while the pouch cell structure allowed the customer to keep the pager slim and comfortable for customers to carry.
During prototype development, LithoTop optimized the PCM protection design, connector position, cable direction, wire length, insulation layer, and outer label placement. Sample battery packs were tested through repeated vibration alert simulation, LED flashing runtime testing, buzzer load testing, wireless receiving standby testing, charging base compatibility checking, voltage stability evaluation, and installation fit review.
Before pilot production, the customer confirmed approved sample performance, battery dimensions, connector reliability, cable durability, packaging method, and batch inspection requirements. LithoTop then controlled production according to the confirmed golden sample and assembly standards.
The final battery pack helped the restaurant pager achieve longer working time and more stable alert performance during peak business hours. For the customer, this reduced charging frequency, improved restaurant operation efficiency, and supported a smoother product launch for hospitality equipment users.
A reliable 603450 LiPo battery pack requires more than a standard pouch cell. Battery performance depends on capacity consistency, voltage stability, internal resistance control, PCM protection design, connector reliability, cable outlet direction, insulation method, aging verification, and final quality inspection.
LithoTop supports customers from sample evaluation to mass production with professional engineering support, flexible customization, strict production inspection, and project-based compliance documentation support. Our team can help evaluate battery size, runtime target, charging method, operating current, protection circuit, connector type, NTC requirement, and real application conditions before confirming the final battery solution.
Powering leading batteries across wearables, medical devices, IoT, and consumer electronics in 30+ countries..


Find answers to the most common questions about ordering, shipping, certifications, and working with lithotop as your battery partner.
Engineer’s will make inner BOM according to your confirmed samples. And our quality control teams continuously monitor the entire manufacturing process to ensure the each mass production is the same as samples.
LithoTop specializes in custom lithium battery solutions, including LiPo batteries, Li-ion battery packs, LiFePO4 batteries, high-rate drone batteries, curved batteries, ultra-thin batteries, and custom rechargeable battery packs for industrial and consumer applications.
LithoTop focuses on:Custom battery solutions for special applications, own developed PCB/PCM to help you with Competitive factory-direct pricing, Experience with difficult battery projects such as curved, ultra-thin, and high-discharge batteries. Long-term cooperation support for startups and established brands.
Yes. LithoTop provides fully customized battery solutions based on your device requirements, including voltage, capacity, discharge rate, dimensions, connector type, PCM/BMS protection, and special shapes such as curved or ultra-thin batteries.
Standard samples are usually available quickly about 3-7 days, while custom battery projects typically require evaluation, engineering confirmation, prototyping, and testing. The timeline depends on battery specifications, and certification requirements. Mass order is about 30 working days.
Depending on the product and project requirements, LithoTop batteries can support certifications including UN38.3, MSDS, CE, RoHS, IEC62133, UL , and other transportation or safety compliance documents.
MOQ depends on the battery model and customization level. Standard batteries may support lower quantities like 100pcs, while fully customized battery projects usually require a development MOQ. LithoTop supports both prototype projects and mass production orders.
LithoTop follows strict quality control procedures including:Incoming material inspection, Cell matching and grading Capacity, and voltage testing, Aging and performance tests, 100% Safety inspections before shipment.Quality consistency is critical for battery reliability and long-term cooperation.
Normally, we ship our batteries via DHL, UPS, FedEx, air freight, or sea , depending on order size, destination, and customer preference.
Yes. LithoTop can support project-based certification and documentation requirements such as KC, CE, RoHS, UN38.3, MSDS, and other battery-related documents according to customer market requirements.
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LithoTop operates advanced lithium battery manufacturing facilities equipped with automated production lines, precision testing equipment, and strict quality control systems. From cell selection to battery assembly and final inspection, every process is carefully managed to ensure stable performance, reliable quality, and high production efficiency. With experienced engineers and strong OEM/ODM capability, we provide customized battery solutions for customers worldwide.
LithoTop provides comprehensive certification support for custom lithium batteries to help customers accelerate product development and global market entry. From prototype verification to mass production, our engineering team assists with battery compliance, transportation documentation, and international safety standards, reducing certification risks and shortening your project timeline.
Stay updated with the latest lithium battery industry news, product innovations, technology insights, and application trends from LithoTop. Explore expert articles, battery guides, and industry updates to learn more about custom lithium battery solutions, energy storage, UAV batteries, wearable device batteries, and advanced power technologies.
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