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Shenzhen Meisha New Energy Technology Co., LTD

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China 18650 Lithium‑ion Battery Pack, 3.7V High‑Capacity 4000mAh, with Wired
China 18650 Lithium‑ion Battery Pack, 3.7V High‑Capacity 4000mAh, with Wired

  1. China 18650 Lithium‑ion Battery Pack, 3.7V High‑Capacity 4000mAh, with Wired

18650 Lithium‑ion Battery Pack, 3.7V High‑Capacity 4000mAh, with Wired

  1. MOQ: 1000PCS
  2. Price:
  3. Get Latest Price
Delivery Time 10-15 days
Supply Ability 100000pcs
Payment Terms T/T
Certification UN38.3 MSDS IEC62133 CE ROHS
Place of Origin Shenzhen, China
Brand Name MEISAEN

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  1. Product Details
  2. Company Details

Product Specification

Delivery Time 10-15 days Supply Ability 100000pcs
Payment Terms T/T Certification UN38.3 MSDS IEC62133 CE ROHS
Place of Origin Shenzhen, China Brand Name MEISAEN
High Light 18650 lithium battery pack 4000mAh3.7V lithium-ion battery wired protection18650 battery for massagers flashlights

This 18650‑2P lithium‑ion battery pack delivers 3.7V 4000mAh (14.6Wh) stable power output. Integrated BMS protection safeguards against over‑charging, over‑discharging, over‑current and short‑circuit. Compact size with pre‑wired connector, ready‑to‑use for various portable electronic equipment.

Overview

Our 18650 2P rechargeable lithium‑ion battery pack is assembled with premium 18650 cells, offering reliable 3.7V 4000mAh high‑capacity power supply. Built‑in professional BMS protection circuit ensures safe daily operation, prevents damage caused by abnormal charging & discharging. Pre‑soldered connector saves your welding work, plug‑and‑play for DIY projects and device replacement.

Key Features

✅ Built‑in multi‑protection BMS: Over‑charge, Over‑discharge, Over‑current, Short‑circuit protection

✅ High capacity: 4000mAh, nominal energy 14.6Wh, long cycle life

✅ Standard 18650 2P parallel assembly, stable 0.2C‑1C charge & discharge rate

✅ Pre‑wired connector, easy installation for replacement & DIY builds

✅ Compact outer dimension, lightweight at only 93g±2g

✅ Wide working temperature range for indoor & outdoor portable equipment

Common Applications

Suitable for portable monitors, small speakers, lighting equipment, medical portable devices, smart home gadgets, DIY electronic projects, replacement battery for 3.7V consumer electronics.

Specifications(参数表格,完全取自图片)

表格



Item Parameter
Battery Model 18650 2P
Nominal Voltage 3.7V
Nominal Capacity 4000mAh
Rated Energy 14.6Wh
Full‑charge Voltage 4.25V
Cut‑off Discharge Voltage 2.75V
Charge Current 0.2C‑1C
Discharge Current 0.2C‑1C
Charge Temperature 0℃‑45℃
Discharge Temperature 0℃‑45℃
Dimension 37.3*18.5*66.5 mm
Weight 93g ± 2g
Protection Function Over‑charge, Over‑discharge, Over‑current, Short‑circuit

Important Notes

  1. Please use dedicated 3.7V lithium‑ion battery charger, do NOT use unqualified power adapter.
  2. Do NOT disassemble, squeeze, puncture or throw battery into fire.
  3. Stop charging once fully charged; avoid deep over‑discharge to extend battery service life.
  4. Please confirm voltage, dimension and connector before purchasing for device replacement.

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory
  • Business Type:

    Manufacturer,Exporter

  • Year Established:

    2016

  • Total Annual:

    2000USD-3000

  • Employee Number:

    100~150

  • Ecer Certification:

    Verified Supplier

Shenzhen Meisha New Energy Technology Co., Ltd. is a comprehensive enterprise mainly engaged in industry-customized battery modules, scheme design, research and development, production and marketing, and its technical level is in the leading position in the industry. Established in July 2016 with a ... Shenzhen Meisha New Energy Technology Co., Ltd. is a comprehensive enterprise mainly engaged in industry-customized battery modules, scheme design, research and development, production and marketing, and its technical level is in the leading position in the industry. Established in July 2016 with a ...

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Get in touch with us

  • Reach Us
  • Shenzhen Meisha New Energy Technology Co., LTD
  • Room 811, Kaihaoda Building, Block 1, No.1 Gongyeyuan Road, Shanghenglang Community, Dalang Subdistrict, Longhua District, Shenzhen City
  • https://www.newenergy-batteries.com/

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