Shenzhen Uneme Technology Co.,Ltd
                                                                                                           
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08400 Cylindrical Lipo Battery 3.7V 200mAh Rechargeable Lithium Ion Battery For Smart Pen

Price Negotiable
Price: US$1.00–2.50/piece
MOQ: 5,000 pcs
Delivery Time: 7-35 days
Brand: UNEMETECH
Product Description

08400 Cylindrical LiPo Battery 3.7V 200mAh Rechargeable Lithium Ion Battery For Smart Pen

Cylindrical LiPo Battery Battery 08400 Overview

The 3.7V 200mAh 08400 cylindrical LiPo battery is designed for compact electronic devices such as smart pens, digital writing devices, learning pens, and other portable applications. With a capacity of 200mAh, this rechargeable battery provides a stable and reliable power source for everyday device operation while maintaining a compact and lightweight form factor.

Featuring a cylindrical design, the 08400 battery can be easily integrated into space-constrained electronic devices. Its rechargeable design supports repeated use, making it a practical power solution for portable consumer electronics.

Built with lithium polymer battery technology, the 08400 provides stable voltage output and dependable performance. Optional PCM protection, connectors, wires, and other battery configurations can be customized according to specific application requirements. With its compact size, rechargeable design, and flexible customization options, the 08400 cylindrical LiPo battery is an ideal power solution for smart pens and other small electronic devices.

Key Features

  • Flexible shape and size, compact design
  • Low self-discharge, long cycle life, low resistance;
  • The cell energy density is high, unit cell capacity is high;
  • High stability and safety in application;
  • Stable performance, Low Self-Discharge Rate.

Cylindrical LiPo Battery 08400 Technical Parameters

Basic Parameters

Battery Type Cylindrical LiPo Battery
Model Number 08400
Nominal Voltage 3.7V
Nominal Capacity 200mAh
Single Cell Energy 0.74Wh
Cell Chemistry LiCoO₂/ NCM (Customizable)
Pack Dimensions (Max) 8.8(D) × 43.5(H) mm
Weight Approx. 3.5g
Internal Impedance ≤ 400mΩ
Shipment Voltage 3.85–3.95V (Adjustable upon request)

Charge & Discharge Parameters

Charging Voltage 4.2V
Standard Charging Current 0.2C
Max Charging Current 1C
Discharge Cut-off Voltage 3.0V
Standard Discharging Current 0.2C / 3.0V
Max Discharging Current 3.0C / 3.0V
Operating Temperature Charge: 0–45 °C | Discharge: -20–60 °C

Dimensions & Outline Drawing

08400 Cylindrical LiPo Battery Dimensions Figure
Dimensions Description

W: 8.8 mm (Max)
H: 43.5 mm (Max)
Wire Length: 100±5 mm

Cylindrical LiPo Battery 08400 Applications

  • Smart Pens - Digital pens, smart writing pens, recording pens, and interactive learning pens.
  • Digital Writing Devices - Electronic writing and handwriting recognition devices.
  • Stylus Pens - Rechargeable styluses for tablets, smartphones, and other smart devices.
  • Educational Smart Devices — Smart learning pens, reading pens, and interactive educational products.
  • Portable Electronic Devices — Compact, rechargeable devices requiring a small and lightweight power source.

The 08400 3.7V 200mAh lithium battery is ideal for smart pens, digital pens, recording pens, learning pens, and other compact electronic writing devices, offering a compact size and rechargeable power solution.

08400 Cylindrical LiPo Battery Applications

Custom configurations, including PCM/BMS protection circuits, connectors, and cable options, are available to ensure safe integration into your specific product requirements.

Quality & Safety Certifications

All UNEMETECH rechargeable LiPo batteries undergo strict quality control and comply with international safety & transportation standards, ensuring safe and reliable performance worldwide.
Depending on project requirements and target market regulations, we can provide certification documents such as CB, IEC 62133, UN38.3, MSDS, KC, PSE, BSMI, UL, RCM, CE, REACH, and RoHs 2.0 test reports, and other compliance documentation as required.

UNEMETECH CB Certificate UNEMETECH IEC 62133 Test Report UNEMETECH UN38.3 Test Report UNEMETECH MSDS Report UNEMETECH Air Transport Certification UNEMETECH Sea Transport Certification

Typical Customer Feedback

“We’ve partnered with UNEMETECH for our smart pen project. The 08400 battery’s compact cylindrical design, stable 3.7V output, and reliable 200mAh capacity have provided consistent power performance across our devices. CCC’s technical team offered prompt support and helped us optimize the battery integration to meet our smart pen’s size and performance requirements.”
— Product Development Manager, Smart Pen Manufacturer

Custom Cylindrical LiPo Batteries

UNEMETECH provides customized cylindrical LiPo battery solutions for smart pens, digital pens, learning pens, recording pens, and other compact electronic writing devices. Battery capacity, dimensions, PCM protection, connectors, wire lengths, labels, and battery pack assemblies can be customized according to your project requirements.

From prototype samples to volume production, our engineering team provides flexible battery customization, reliable manufacturing, and technical support to meet your specific smart pen battery requirements.

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Shenzhen Uneme Technology Co.,Ltd
Location Room 1003, Zhaofengxiang Building, No. 8, Liye Road, Dongfang Community, Songgang Street, Baoan District, 518105 Shenzhen, Guangdong, PEOPLE'S REPUBLIC OF CHINA
Contact Person Alice

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