• Shenzhen BAK Technology Co., Ltd.
    Kallista
    I'm going to keep this sweet & short! I have never experienced such excellent customer service with a out of country supplier. This company has gone far and beyond to meet the needs of their customers. Their response time with all my concerns were addressed immediately 100%within 1-24 hours and the shipping time was EXCELLENT!
Contact Person : Dong
Phone Number : +86 13828713564

10.8V Customized Battery Pack 5300mAh 21700 3S1P For Custom Smart Electronics

Place of Origin China
Brand Name BAKTH
Certification ISO9001, ISO14001
Model Number BAKTH-21700CD-3S1P
Minimum Order Quantity 2-99PCS
Price USD19.50-USD20.00/PC
Packaging Details Standard Export Packaging with Protective Foam & Carton Box
Delivery Time 35-45 Days
Payment Terms T/T
Supply Ability 5000 Units / Month

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Whatsapp:0086 18588475571

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Product Details
Battery Type Lithium Ion (Li Ion) Model 21700 3S1P
Nominal Voltage 10.8V Capacity 5300mAh
Cycle Life ≥800 Cycles (Long Lifespan) BMS Protection Smart BMS (Overcharge & Short Circuit Protection)
Application Portable Medical Devices, Industrial Terminals, Emergency Communication Equipment, And Smart Handheld Devices. Connector Type MOLEX 2053410205 / Customizable
Lead Time 30-45 Days (Fast Delivery)
Highlight

10.8V Customized Battery Pack

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10.8V custom lithium ion battery

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5300mAh Customized Battery Pack

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Product Description

Product Overview

This 21700 3S1P battery pack is built with high-performance 21700 lithium-ion cells, offering 10.8V voltage and 5300mAh capacity. It features excellent energy density and stability, ideal for smart electronics, portable devices, and custom power solutions. Voltage, capacity, and connectors can be tailored to your requirements.

 

 

 

Specification

Battery Type Lithium ion (Li Ion)
Cell Model 21700CD
Configuration 3S1P
Nominal Voltage 10.8V
Nominal Capacity 5300mAh
Energy 57.24Wh
Charge Voltage 12.6V
Discharge Cut-off Voltage 7.5V
Max Discharge Current 5.3A
Cycle Life ≥800 Cycles
Operating Temperature -20°C to 60°C
Dimensions 216*25.5*22 mm Max
Weight Approx. 230g
BMS Protection Overcharge, Over-discharge, Short Circuit, Temperature Protection

 

 

 

Product Features

 

High energy density and lightweight design make it ideal for space-constrained devices.

Built with A-grade 21700 cells for stable performance and high safety.

Integrated with BMS for overcharge and overdischarge protection.

Fully customizable in voltage, wiring, and connector types.

 

 

 

Application

 

Suitable for, but not limited to:

Smart terminals & portable security systems

Industrial wireless sensors

Medical portable diagnostics

E-tools and outdoor survey devices

 

 

 

What Makes Us Different

 

Premium A-grade 21700 cells with rigorous testing ensure reliable and stable battery performance.

Full customization available with no minimum order limits on voltage, capacity, and connectors.

Engineering support and fast prototyping within 3~7 days with technical schematics provided.

 

 

 

Supply & Packaging

 

Supply Ability: 5000 Units Per Month (Bulk orders available upon request)
Packaging: Standard Export Packaging with Protective Foam & Carton Box
Shipping Options: Air, Sea, and Express Delivery Available

For bulk orders or custom requirements, feel free to contact us!

 

 

 

FAQs

 

Q1: What devices is this battery compatible with?
A1: This battery is widely used in outdoor surveillance cameras, portable medical devices, industrial terminals, emergency communication equipment, and smart handheld devices.

Q2: Can the voltage, capacity, or connectors be customized?
A2: Yes, we offer customization services for voltage, current, capacity, dimensions, BMS functions (such as communication protocols), and more.

Q3: How should this battery be charged? Is a specific charger required?
A3: It is recommended to use a smart charger compatible with 10.8V lithium batteries, with a charging current not exceeding 2A, to ensure safety and prolong battery life.

Q4: Does the battery have overcharge, over-discharge, short circuit, and other protection features?
A4: Yes, it has a built-in BMS (Battery Management System) that provides overcharge, over-discharge, overcurrent, short circuit, and other protections to ensure safe usage.

Q5: How can I get technical support or after-sales service?

A5: You can contact us through our official website, customer service email, or phone. We will provide professional technical support and after-sales service.