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Shenzhen Huayousheng Energy Technology Co., Ltd.
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2S1P 7.4V 2200mAh 18650 Lithium‑ion Battery Pack.

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2S1P 7.4V 2200mAh 18650 Lithium‑ion Battery Pack.

Certification : UN38.3

Payment Terms : T/T

Delivery Time : One Week

Supply Ability : Daily Production Capacity Of 10,000 Pieces

Place of Origin : ShenZhen

Packaging Details : neutral carton packaging

Brand Name : FYW

MOQ : 1000PCS

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Product Overview

This 2S1P 18650 lithium‑ion battery pack is assembled by two 18650 cells in series configuration, nominal voltage 7.4V, capacity 2200mAh. Finished with blue heat‑shrink casing and equipped with customized multi‑color wire and white plastic connector for direct plug‑in assembly.
As a reliable medium‑capacity cylindrical battery solution, it is widely adopted for portable monitoring equipment, small medical devices, portable speakers, surveillance cameras and various portable consumer electronics. Each battery undergoes strict cell matching, aging test and safety inspection before delivery to guarantee consistent batch performance for B2B bulk orders.
Core Technical Specifications
Item Parameter
Cell Model 18650
Configuration 2S1P (2 cells in series)
Nominal Voltage 7.4V
Capacity 2200mAh
Outer Cover Blue PVC heat‑shrink film
Output Multi‑color lead wire with white plastic connector

Key Product Advantages

  1. Stable Cylindrical 18650 Cell Performance

    Adopts Grade‑A 18650 cells with low internal resistance, stable discharge output and long cycle service life. Effectively suppress lithium dendrite growth, reduce swelling and failure risk for long‑time standby operation.
  2. Integrated BMS Multi‑level Safety Protection

    Built‑in dedicated protection board, supports over‑charge, over‑discharge, over‑current, short‑circuit and over‑temperature protection. Avoid thermal‑runaway hazards under heavy‑load working conditions.
  3. Ready‑to‑assemble Connector Design

    Comes with finished wiring and plug‑and‑play connector, saving customers’ secondary welding cost. Wire length and connector model can be fully adjusted according to device requirements.
  4. Flexible OEM & ODM Customization

    Support custom voltage‑combination, wire specification, connector type, surface label printing. Small trial orders for prototype testing and large‑volume mass orders are both acceptable.
  5. Complete Export Certification

    Compliant with UN38.3, MSDS, RoHS standards. Full set of shipping documents provided to support smooth sea and air customs clearance for global customers.

Wide Application Scenarios

  • Portable monitoring & surveillance cameras
  • Small portable medical equipment
  • Outdoor portable Bluetooth speakers
  • Portable inspection instruments
  • Smart household portable devices
  • Other 7.4V powered portable electronic products

B2B Factory Service

✅ Factory direct supply with stable production capacity

✅ Strict cell sorting, aging and load testing before shipment

✅ Custom wiring, connector and label OEM service

✅ Engineering technical support for custom solution

✅ Flexible MOQ for trial and bulk purchasing

Quality 2S1P 7.4V 2200mAh 18650 Lithium‑ion Battery Pack. wholesale

2S1P 7.4V 2200mAh 18650 Lithium‑ion Battery Pack. Images

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