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Nominal Voltage 3.7V Nominal Capacity 1500mAh1.jpg

103048 3.7V 1500mAh rechargeable Li-polymer Battery

★ Li-polymer High energy density,customizable.

★ 20+ years battery manufacturing experience.

★ High safety: Li-polymer chemistry + automatic production.

★ Long cycle life over 500 times.

★ Wide temperature adaptability, stable from -10℃ to 60℃.

Product Parameters

Product Models

Customization Support

Nominal Voltage	3.7V	Nominal Capacity	1500mAh
Size	10.230.550.5mm	Rough weight	30g
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 103048 3.7V 1500mAh rechargeable lithium polymer battery adopts gel polymer electrolyte and flexible aluminum-plastic film, ensuring high safety with no leakage, fire or explosion risks under extreme conditions. It provides higher energy density, slimmer profile and stable discharge compared with traditional lithium-ion batteries.

This battery features low self-discharge, can be stored for over 6 months without maintenance, and offers a cycle life of more than 500 cycles. With light weight and stable 3.7V working voltage, the 103048 1500mAh cell is an ideal power solution for portable electronics, wearable devices 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 103048 3.7V 1500mAh Li-Po battery is widely used in various compact electronic devices. It is an ideal power supply for Bluetooth speakers, GPS trackers, smart watches, fitness bands, medical monitoring devices, handheld scanners and other portable electronics. Featuring stable discharge, slim size and reliable performance, it perfectly meets the power demands of small smart terminals, wearable devices and mobile digital products with limited internal space.

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 specialize in the research, development, production, and sales of a wide range of battery products, including LiFePO4 batteries, Li-ion batteries, Li-polymer batteries, lithium primary batteries, NiMH & NiCd batteries, and integrated energy solutions.

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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