Name: China Small lithium-ion polymer battery Manufacturers Suppliers Factory - Customized Service - Blumoti
Brand: Blumoti
SKU: 288569284

Shenzhen Blumoti Energy Co., Ltd. is a leading Chinese manufacturer and supplier of Small lithium-ion polymer battery. If you are looking to source durable, bulk Small lithium-ion polymer battery from China, feel free to contact our factory for details. Custom orders are welcome.

Small Lithium-ion Polymer Battery 100–500mAh | Custom 3.7V LiPo Cells | Blumoti

Blumoti supplies small lithium-ion polymer batteries from 100–500mAh, 3.7V/3.8V, with custom size, PCB/PCM, connectors and OEM/ODM support for wearables, IoT devices, earbuds and micro drones.

3.7V small lithium polymer batteries (100–500 mAh) offer a good balance between capacity and size, making them ideal for smartwatches, Bluetooth earbuds, and small UAVs.

Low-discharge-rate models are commonly used in wearable devices and IoT products. They are lightweight, can be customized into different shapes, and are designed to provide stable, long-lasting power.

High-discharge-rate models are suitable for small drones and remote-controlled electric toys, such as RC aircraft and boats. These applications require batteries that can deliver short bursts of high power.

Overall, these batteries are highly versatile and used across a wide range of applications.

Small Lithium Polymer Battery – General Specifications

Nominal Voltage: 3.7V

Charging Voltage: 4.2V

Discharge Cut-off Voltage: 3.0V

Nominal Capacity: 300mAh (0.2C discharge)

Standard Discharge Rate: 0.2C–1C,1-50C can be custom

Standard Charging Rate: 0.5C–1C

Protection Circuit: PCB/PCM, including overcharge, over-discharge, overcurrent, and short-circuit protection

Operating Temperature: 0–45°C (charging); -20–60°C (discharging)

Product parameters

Model NO.	Capacity	Nom.Voltage	Cathode	Thickness	Width	Length	Energy Density
BMP712025DT	310mAh	3.7V	NCM	7.1mm	20mm	25mm	323Wh/L
BMP542623DT	310mAh	3.7V	LCO	5.4mm	26mm	23mm	355Wh/L
BMP442130DT	310mAh	3.7V	LCO	4.4mm	21mm	30mm	414Wh/L
BMP403035DT	320mAh	3.7V	NCM	4mm	30mm	35mm	282Wh/L
BMP491460DT	320mAh	3.7V	NCM	4.9mm	14mm	60mm	288Wh/L
BMP501840DT	320mAh	3.7V	LCO	5mm	18mm	40mm	329Wh/L
BMP602030DT	320mAh	3.7V	NCM	6mm	20mm	30mm	329Wh/L
BMP482429DT	320mAh	3.7V	NCM	4.8mm	24mm	29mm	354Wh/L
BMP502032DT	320mAh	3.7V	NCM	5mm	20mm	32mm	370Wh/L
BMP452130DT	320mAh	3.8V	LCO	4.5mm	21mm	30mm	429Wh/L
BMP601435DT	330mAh	3.8V	LCO	6mm	14mm	35mm	427Wh/L

Small Lithium Polymer Battery Features

Stable discharge performance.

Supports long, steady discharge at low rates, helping maximize device runtime.

High cycle life.

Low-discharge-rate cells can retain over 80% of their capacity after 500 charge cycles.

Customizable high-voltage cells.

Fully charged voltage can reach up to 4.4V, maximizing energy density.

BMP502032 3.7V small lithium polymer battery cell

Applications for Small Lithium ion Polymer Battery

Rechargeable Small lithium polymer batteries are widely used in compact electronic devices where space, weight, and stable rechargeable power are important. Different capacity ranges are suitable for different device sizes and power requirements.

√ Batteries under 100mAh are commonly used in ultra-compact devices such as Bluetooth earbuds, smart rings, medical sensors, mini tracking tags, stylus pens, and small wireless modules. These applications usually require a thin, lightweight battery with stable low-current discharge.

√ 100–300mAh batteries are well suited for wearable devices, remote controls, smart bands, GPS trackers, IoT sensors, electronic tags, wireless keyboards, and other portable electronics. This capacity range provides a good balance between compact size, operating time, and device design flexibility.

√ 300–500mAh batteries are commonly found in Bluetooth earbud charging cases, micro drones, compact cameras, small LED lights, portable measuring devices, handheld terminals, and other products with slightly higher power demands. These batteries can support longer working time while still maintaining a small and lightweight structure.

Blumoti can also customize small lithium polymer batteries according to your product requirements, including battery size, shape, capacity, voltage, wire length, connector type, and PCB/PCM protection circuit.

We provide what kinds of services

Flexible Customization:

Customize the shape, size, capacity, voltage, BMS, connectors, and more to fit your needs.

Supply Capacity:

Sample service available; bulk orders supported.

Comprehensive Service:

Reliable after-sales follow-up, and a one-year warranty.

Business Support:

OEM/ODM services available.

FAQ

Q1: Can the small lithium polymer battery be customized for my device?

A: Yes. We support customization for small LiPo batteries, including battery size, capacity, voltage, connector type, cable length, protection circuit, and packaging structure. Buyers can provide device drawings, battery compartment dimensions, or performance requirements for evaluation.

Q2: What information should I provide to get a quotation?

A: To receive an accurate quotation, please provide the required battery size, voltage, capacity, discharge current, application, order quantity, connector requirement, and any certification needs. If you already have a battery sample or specification sheet, you can send it to us for faster matching.

Q3: Are your lithium polymer batteries suitable for bulk purchasing?

A: Yes. Our small lithium polymer batteries are suitable for OEM, ODM, and bulk procurement projects. We can support sample testing, small trial orders, and mass production according to your project schedule and quality requirements.

Q4: Do the batteries include protection and safety features?

A: Yes. Small LiPo batteries can be equipped with protection circuits such as overcharge, over-discharge, over-current, and short-circuit protection. Safety requirements can also be adjusted based on the device application and buyer's certification or market requirements.