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103465 3.7V 2900mAh rechargeable Li-polymer Battery

★ High capacity for extended runtime in demanding applications.

★ Excellent cell consistency for reliable pack assembly.

★ Reinforced encapsulation for enhanced durability.

★ Supports fast-charging protocols.

★ Rigorously tested for long-term reliability.

Product Parameters

Product Models

Customization Support

Nominal Voltage	3.7V	Nominal Capacity	2900mAh
Size	10.234.567.5mm	Rough weight	65g
Battery Type	Li-polymer	Cycle life	500 times
Standard charge	0.2C	Max charge	1.0C
Standard discharge	0.2C	Max discharge	1.0C
Charge temperature	0-45℃	Discharge temperature	-10~ +60℃

Product Introduction

The rechargeable Lithium Polymer cell model 103465 3.7V 2900mAh utilizes advanced gel polymer electrolyte and flexible aluminum-plastic packaging, ensuring high safety with no risk of leakage, fire, or explosion. Offering higher energy density than traditional Li-ion batteries, its slim, lightweight design and customizable size enable stable discharge performance. With low self-discharge, it supports 6+ months of storage and delivers 500+ cycles. Weighing little while providing a stable working voltage, this 2900mAh cell is the ideal power source for portable electronics, wearables, and smart terminals.

Product Models List

below are some our mature battery cell models.

Model	Battery Material	Capacity	Voltage	Life cycle	Thickness(±0.2)	Width(±0.5)	Length(±0.5)	Weight(g)
HW552535	Polymer	450	3.7V	≥500	5.5	25.0	35.0	10.0
HW503450	Polymer	900	3.7V	≥500	5.0	34.0	50.0	17.2
HW523450	Polymer	1000	3.7V	≥500	5.2	34.0	50.0	18.5
HW603450	Polymer	1000	3.7V	≥500	6.0	34.0	50.0	18.5
HW623255	Polymer	1100	3.7V	≥500	6.2	32.0	55.0	19.0
HW803048	Polymer	1200	3.7V	≥500	8.0	30.0	48.0	25.9
HW354085	Polymer	1300	3.7V	≥500	3.5	40.0	85.0	28.0
HW455060	Polymer	1400	3.7V	≥500	4.5	50.0	60.0	28.3
HW852848	Polymer	1500	3.7V	≥500	8.5	28.0	48.0	29.2
HW603756	Polymer	1500	3.7V	≥500	6.0	37.0	56.0	29.0
HW535056	Polymer	1600	3.7V	≥500	5.3	50.0	56.0	30.5
HW385085	Polymer	1600	3.7V	≥500	3.8	50.0	85.0	30.5
HW405070	Polymer	1620	3.7V	≥500	4.0	50.0	70.0	31.0
HW103450	Polymer	1800	3.7V	≥500	10.0	34.0	50.0	36.0
HW605060	Polymer	2000	3.7V	≥500	6.0	50.0	60.0	43.5
HW754085	Polymer	2700	3.7V	≥500	7.5	40.0	85.0	55.0
HW705060	Polymer	3000	3.7V	≥500	7.0	50.0	60.0	59.5
HW606090	Polymer	4000	3.7V	≥500	6.0	60.0	90.0	77.5

Product Application

The 103465 3.7V 2900mAh Li-Po cell excels in diverse applications. Its slim profile and light weight make it perfect for slim medical devices like glucose monitors and portable diagnostic tools. The robust safety profile supports industrial IoT sensors and GPS trackers, ensuring reliable, long-term operation. In consumer tech, it powers advanced VR/AR headsets and portable gaming devices, delivering consistent performance. Its high energy density also enables extended use in smart security cameras and digital signage, providing a compact, powerful solution for next-generation electronics.

Product Certification

Howell Li-polymer batteries have been approved by a series of authoritative certificates such as UL, CB, IEC62133, UN38.3, CE, Rohs, Reach, EU, BIS, KC, 3C, BSMI, PSE, CTIA, UKCA, WERCS and so on. All products comply with international and domestic battery industry standards, with reliable quality and complete after-sales guarantee.

Product Shipping

Howell batteries can be used in various electronic products, including industrial products, such as Bluetooth speaker, Auto electronics, GPS, Digital products, Portable DVD, Tablet PC, POS terminal, PDA, Two way radio, Power bank, RC toys, Medical device, Electric bike, Electric scooter, Solar Street Light, Security Products, Solar&wind Energy Storage System, etc.

We also offer full custom battery services—from battery design, development, and cell selection to BMS integration—providing one-stop energy solutions tailored to our customers' needs.

Move beyond standard batteries that force you to compromise. We specialize in fully customizable battery solutions engineered to fit your exact specifications.

Whether you need a precise form factor to slip into an innovative design, unique voltage and capacity for peak performance, or specialized connectors for seamless integration—we make it possible. From compact wearables to robust industrial equipment, our engineering team collaborates with you to develop a battery that powers not just your device, but your ambition.

Ready to Power Your Unique Project? Contact our technical team today to start your custom battery solution.

Customize your Battery

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