GEB 18650 7.4V 2200mAh Cylindrical Li-ion Battery Pack

7.4V 2200mAh (16.28Wh) 2S1P cylindrical 18650 lithium-ion battery pack with integrated 5A BMS and JST/Molex connector for walkie-talkies, POS terminals, and portable audio devices.

B2B Engineering Review & Pricing

Direct manufacturer supply, custom BMS telemetry, and CAD fit validation for OEM/ODM projects.

✔ Response target: Target response within 12 business hours during business hours; timing varies by inquiry complexity and working hours.
✔ Typical Lead Time: 7–10 business days for prototypes; 15–20 business days for mass production after final specification approval. Final timing is confirmed after tooling, testing, and order review.
✔ Shipping documentation: Applicable UN38.3 test documentation, MSDS/SDS, CE and Class 9 dangerous-goods requirements are confirmed per selected configuration and shipment.

Product Details

Direct Answer / Engineering Summary

The GEB 18650 7.4V 2200mAh Cylindrical Li-ion Battery Pack is a professional-grade Grade-A cylindrical Lithium-ion (Li-ion) solution delivering a verified 7.4V nominal working voltage and 2,200mAh rated capacity. Assembled with precision spot-welded pure nickel busbars and dedicated cell spacing brackets, this cylindrical pack integrates natural convective heat dissipation channels, balanced BMS circuitry, and robust mechanical protection against shock and vibration.

Engineering Overview

Product Overview

The GEB 18650 7.4V 2200mAh Cylindrical Li-ion Battery Pack is an engineered industrial solution featuring a 7.4V (2S Li-ion / 7.4V nominal) specification and 2200mAh (16.28Wh total energy) rating. Built with Grade-A components and an integrated 4.4A continuous discharge (2.0C rate) protective circuit, this unit ensures high reliability, thermal dissipation, and consistent electrical performance across dynamic duty cycles. Encased in a Flame-retardant blue PVC heat-shrink wrap with insulated end caps measuring 68 × 37 × 19 mm (±1.0mm) and weighing Approx. 95g ± 3g, it is targeted for Two-way radios, handheld barcode scanners, POS mobile terminals, portable Bluetooth speakers. Before ordering or integrating into your equipment, check Compact 2S1P side-by-side configuration. Check device battery compartment dimensions (requires min. 72 × 40 × 22mm).

Quick Reference

Product Specifications

Feature / Attribute Technical Specification
Nominal Rating / Power 7.4V (2S Li-ion / 7.4V nominal) / 2200mAh (16.28Wh total energy)
Enclosure & Housing Flame-retardant blue PVC heat-shrink wrap with insulated end caps
Physical Dimensions & Weight 68 × 37 × 19 mm (±1.0mm) / Approx. 95g ± 3g
Continuous Operating Rating 4.4A continuous discharge (2.0C rate)
Peak Surge / Pulse Limit 8.0A peak pulse (≤ 5s)
Target Applications Two-way radios, handheld barcode scanners, POS mobile terminals, portable Bluetooth speakers
Standard Connectors / Terminals JST-XH / Molex 5264 / JST-PH 2-pin with 100mm 20AWG silicone wire leads
Service Life / Endurance ≥ 800–3,000 cycles (@ 80% DoD, 25°C)
Engineering Data

Technical Specifications

Parameter Value Test Conditions & Engineering Tolerances
Nominal Operating Voltage 7.4V (2S Li-ion / 7.4V nominal) Standard measurement @ 25°C standard load
Upper Voltage Threshold 8.40V ± 0.03V (2S CC/CV profile) CC/CV regulation tolerance ±0.03V–0.05V
Lower Cutoff / Protection 6.00V ± 0.05V Automatic safety cutoff threshold
Standard Current Rating 4.4A continuous discharge (2.0C rate) Continuous rated thermal equilibrium
Peak Surge Tolerance 8.0A peak pulse (≤ 5s) Transient peak handling verification
Operating Temperature Range -10°C to +55°C (Storage: -10°C to +35°C) Ambient operational environmental range
Engineering Validation

Equipment Compatibility & Engineering Fit Check

Before deploying GEB 18650 7.4V 2200mAh Cylindrical Li-ion Battery Pack, verify these verified electrical and mechanical boundary requirements:

☑
Voltage & Charge Cutoff: Nominal 7.4V (charging CC/CV cutoff at 8.4V); confirm charger algorithm strictly matches this chemistry.
☑
Capacity & Energy Budget: Rated at 2.2Ah; verify system run-time calculations under planned discharge currents.
☑
Physical Envelope: Specified at 68 × 37 × 19 mm (±1.0mm); allow 5–10mm buffer in battery tray for expansion and lead harness.
☑
Cycle Reliability: Verified for ≥ 800–3,000 cycles (@ 80% DoD, 25°C) under controlled DOD and thermal management.
💡 Custom Engineering Fit: Contact our Shenzhen engineering team to verify CAD models, custom wire leads, or BMS CANbus telemetry for this product.
Operational Suitability

Operational Boundary Conditions

✔ Recommended Fit & Use Cases:

  • Electronic devices and OEM packs matched with 7.4V / 2.2Ah power curves.
  • Commercial designs requiring high volumetric energy density and predictable discharge curves.
  • Projects requiring batch consistency with automated barcode impedance sorting.

⚠ Operational Constraints & Limits:

  • Do not discharge below minimum cutoff voltage or charge beyond 8.4V.
  • Maintain operational surface temperature within -20°C to +60°C discharge (0°C to +45°C charge).
  • Ensure connector polarity and pin assignment match system schematics prior to initial power-up.
First-Party Standards

First-Party Manufacturing SOP & Export Compliance

🏭 Automated Grading & Matching Cells classified via automated OCV/ACIR sorting (ΔV ≤ 2–3mV, ΔR ≤ 1.2mΩ) for tight pack balance.
🔬 Joint Integrity & Testing Laser or ultrasonic busbar welding with destructive pull test validation ≥ 5.0–8.0 kgf per terminal.
📦 Full Cycle Aging Verification 100% full charge-discharge cycle screening and thermal imaging prior to warehouse dispatch.
🌐 Export & Regulatory Clearance Supplied with certified UN38.3 test summaries, MSDS, 1.2m drop reports, and Class 9 DG shipping documentation.
Turnaround: 7–10 days prototypes; 15–20 days mass production per custom tooling requirements. View Verified Manufacturing Equipment & Testing Facility →

⚙ Engineering FAQ & B2B Procurement Specifications

What is the turnaround time for custom battery pack prototypes and mass production for GEB 18650 7.4V 2200mAh Cylindrical Li-ion Battery Pack?
Custom prototype development typically requires 7 to 10 business days after CAD drawing approval and technical specification freeze. Commercial mass production turnaround is typically 15 to 20 business days. Standard OEM minimum order quantities (MOQ) start at 50 to 100 units depending on cell chemistry, custom mold tooling, and casing complexity.
Does GEB provide UN38.3 test summaries, MSDS, and Class 9 dangerous goods export compliance?
Yes. General Electronics Technology (GEB) provides complete first-party compliance verification for all industrial battery packs, including UN38.3 test reports, 1.2m drop test appraisal certificates, MSDS/SDS sheets, and certified dangerous goods packaging compliant with IATA air transport and IMDG maritime shipping regulations.
What smart telemetry protocols and BMS protection features are supported?
Our custom smart BMS architectures support industry-standard communication protocols including UAVCAN, CANbus 2.0B, SMBus, UART, and RS485. Integrated hardware protections include multi-tier over-voltage, over-discharge, continuous over-current, short-circuit, and dual-channel NTC thermal cutoff safeties with active cell balancing options.
What are the recommended continuous and peak burst discharge margins?
To maximize lifecycle endurance and electrochemical stability, we recommend designing with a 15% to 20% continuous discharge headroom margin under typical operating loads. Peak burst discharge ratings should strictly adhere to specified duration windows (typically ≤10 seconds) while ensuring pack operating temperatures remain below 65°C.

Request Engineering Review & Custom Battery Quote

Submit your technical requirements, continuous/peak discharge loads, or enclosure dimensions for an immediate engineering assessment.

B2B Product Inquiry