A portable translator device is a smart electronic product with intelligent voice processing and wireless communication capabilities. In addition to real-time language translation, modern portable translators integrate multiple functions such as AI voice recognition, Bluetooth connectivity, online and offline translation, noise reduction, touch interaction, and multi-language communication support.

LithoTop specializes in the development and manufacturing of rechargeable lithium polymer batteries for portable translator device applications. We provide the following 3 series with stable performance and high energy density.

Portable Translator Battery Features

A high-quality portable translator IoT device requires a reliable and long-lasting rechargeable battery to support real-time voice translation, wireless communication, and continuous daily operation. Since portable translator devices are designed to be compact, lightweight, and easy to carry, the batteries used inside must feature high energy density, slim dimensions, and stable performance.

Modern portable translator devices integrate multiple functions such as AI voice recognition, Bluetooth and WiFi connectivity, online and offline translation, noise reduction, touch interaction, and multi-language communication support, which increase power consumption requirements. Therefore, battery stability, safety, and cycle life are extremely important for overall device performance and user experience.

Due to the different appearance and structural designs of portable translator IoT devices, battery shapes and dimensions also need to be diversified. LithoTop provides customized portable translator battery solutions including ultra-thin, curved, round, and special-shaped LiPo batteries to perfectly fit various smart electronic device designs.

Portable Translator Main

● Mini translator: 500–1000mAh

● Standard translator: 1200–2500mAh

● AI translator with large screen: 2500–4000mAh

● Most portable translators use: 3.7V LiPo battery

● Sometimes 3.85V high-voltage LiPo

● Test samples will be completed in 7-15 days.

LithoTop is committed to providing one-stop customized battery solutions for customers worldwide. Customers only need to focus on product development and device design, while our professional engineering team will provide the most suitable battery solution according to specific application requirements.

Portable translators (handheld AI translators / language translator devices) usually use small rechargeable lithium batteries, mainly because they need: Long standby time, Lightweight design, Compact size, Fast charging, Stable voltage for WiFi / Bluetooth / AI chips.

Please feel free to contact us for more information and customized battery solutions for your project.

Round Lipo Battery Main.webp

LithoTop provides customized round lithium polymer (LiPo) battery solutions specially designed for smart bands and wearable electronic devices.

LithoTop supports various customized battery solutions, including different diameters, thicknesses, capacities, wire lengths, connectors, and protection circuits according to customer project requirements. Optional ultra-thin and curved battery designs are also available for advanced wearable applications.

  • Compact round structure for wearable devices
  • High energy density and lightweight design
  • Stable voltage output and long cycle life
  • Low self-discharge and reliable safety performance
  • Flexible OEM & ODM customization support
  • Optional PCM/BMS protection solutions

Round Lipo Smartband Batteries List

ModelVoltage(V)Capacity(mAh)Cell Dimension(T*D)mmShape
2530273.71502.5*30Round
2530273.81552.5*30Round
3030273.71803*30Round
3030283.81853*30Round
3035353.83053*35Round
3535353.73653.5*35Round
3630273.82353.6*30Round
4035353.84254*35Round
4730273.83354.7*30Round
5035353.75255*35Round
5535353.75805.5*35Round
6035353.76656*35Round
6045433.710506*45Round
7535353.858457.5*35Round
7550403.715007.5*50*40Round
3.85v Lipo Battery Main

LithoTop 3.85V high voltage lithium polymer batteries are advanced rechargeable power solutions designed to deliver higher capacity and longer operating time compared with traditional 3.7V LiPo batteries. By increasing the charging cut-off voltage, 3.85V batteries can store more energy within the same battery size, making them ideal for compact and high-performance electronic devices.

These batteries are manufactured using high-quality lithium polymer materials and advanced production technology to ensure stable voltage output, reliable safety performance, and long cycle life. LithoTop supports customized battery solutions for different electronic applications, including ultra-thin, curved, and special-shaped battery designs.

  • Higher energy density for increased battery capacity
  • Longer working and standby time compared with 3.7V batteries
  • Compact and lightweight pouch battery structure
  • Low internal resistance and efficient power delivery
  • Long cycle life with stable battery performance
  • Low self-discharge rate for extended storage time
  • Supports ultra-thin and customized battery solutions
  • Optional PCM/BMS protection for enhanced safety

3.85V High Voltage Batteries List

ModelVoltage(V)Capacity(mAh)Cell size(T*W*L)mmShape
282223V43.851602.8*22*23Pouch
300976V43.852053*9*76Pouch
301522V43.851203*15*22Pouch
302223V43.851603*22*23Pouch
361322V43.851203.6*13*22Pouch
371723V43.851803.7*17*23Pouch
402228V43.853604*22*28Pouch
421724V43.852204.2*17*24Pouch
423030V43.854704.2*30*30Pouch
481923V43.852404.8*19*23Pouch
482030V43.854004.8*20*30Pouch
492026V43.853404.9*20*26Pouch
492930V43.857304.9*29*30Pouch
502329V43.854305*23*29Pouch
502828V43.855805*28*28Pouch
502833V43.857505*28*33Pouch
502930V43.857005*29*30Pouch
502933V43.857805*29*33Pouch
512930V43.857105.1*29*30Pouch
522732V43.857205.2*27*32Pouch
522830V43.857055.2*28*30Pouch
532626V43.854805.3*26*26Pouch
542141V43.857005.4*21*41Pouch
552224V43.854105.5*22*24Pouch
553535V43.8511505.5*35*35Pouch
562830V43.857705.6*28*30Pouch
562833V43.858005.6*28*33Pouch
562930V43.857305.6*29*30Pouch
571430V43.853005.7*14*30Pouch
592930V43.857505.9*29*30Pouch
601828V43.854006*18*28Pouch
602133V43.855506*21*33Pouch
602533V43.857806*25*33Pouch
602830V43.857506*28*30Pouch
602931V43.858806*29*31Pouch
603040V43.8512006*30*40Pouch
603228V43.858006*32*28Pouch
613228V43.858506.1*32*28Pouch
623030V43.857506.2*30*30Pouch
632730V43.858006.3*27*30Pouch
632833V43.858006.3*28*33Pouch
642425V43.855006.4*24*25Pouch
642931V43.859006.4*29*31Pouch
653228V43.858506.5*32*28Pouch
682528V43.856506.8*25*28Pouch
702229V43.856307*22*29Pouch
702343V43.859007*23*43Pouch
752435V43.859007.5*24*35Pouch
753228V43.8510007.5*32*28Pouch
802035V43.858508*20*35Pouch
853033V43.8511508.5*30*33Pouch
102530V43.85100010*25*30Pouch
103862V43.85400010*38*62Pouch
123039V43.85205012*30*39Pouch
123137V43.85190012*31*37Pouch
Special Shape Battery Main.webp

We support a wide variety of customized battery shapes, including C-shape, D-shape, curve shape, U-shape, fan shape, moon shape, trapezoid shape, irregular hexagon shape, and other irregular structures according to customer requirements and device dimensions.

Our special-shaped batteries are manufactured using advanced production technology and high-quality lithium polymer cells, ensuring stable voltage output, high energy density, low internal resistance, and reliable safety performance.

  • Customized irregular battery shapes for unique product designs
  • Efficient internal space utilization
  • Ultra-thin and lightweight structure
  • High energy density and stable performance
  • Low self-discharge and long cycle life
  • Optional curved and flexible battery designs
  • Reliable safety performance with PCM/BMS protection
  • Flexible OEM & ODM customization support

Special-shape Smartband Batteries List

ModelVoltage(V)Capacity(mAh)Cell Dimension(mm)Shape
5818203.81705.8*18*20Oval
1507253.8191.5*7*25Curve
4734223.71904.7*34*22C
4014303.71054*14*30Trapezoid
4127263.83104.1*27*26U
6029323.72806*29*32Fan
4022203.71204*22*20Irregular Hexagon
2410203.8302.4*10*20Moon
4324213.81554.3*24*21Vase

Want a different IoT batteries? Contact us now for your special needs.

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