GEB 14430 3.7V 650mAh Cylindrical Lithium-ion Battery Cell (4/5 AA Size, 14×43mm)

Name: GEB 14430 3.7V 650mAh Cylindrical Lithium-ion Battery Cell (4/5 AA Size, 14×43mm)
Brand: GEB
Price: 12.60 USD
Availability: PreOrder

Grade-A GEB 14430 3.7V 650mAh cylindrical Li-ion battery cell (4/5 AA size, Ø14.0×43.0mm, Approx. 19.0g) engineered for compact tactical LED flashlights, personal grooming devices, smart door locks, wireless security sensors, and portable medical instruments.

Cylindrical Lithium Battery

B2B Engineering Review & Pricing

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

⚡ Send Inquiry 📄 Request Datasheet & Pinout

✔ 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 14430 3.7V 650mAh Cylindrical Lithium-ion Battery Cell (4/5 AA Size, 14×43mm) is a high-quality Grade-A cylindrical power cell delivering a verified 3.7V nominal operating voltage and 650mAh rated capacity (2.41Wh energy). Sized in a specialized 4/5 AA cylindrical canister (Ø14.0 × 43.0mm) weighing approximately 19.0g, this cell bridges the form-factor gap between micro-cells and standard 14500 (AA) batteries. It delivers 1.0C–2.0C continuous discharge (650mA–1,300mA), robust pressure-vent construction, and long cycle life for tactical compact LED flashlights, electronic smart door locks, personal care grooming devices, and wireless environmental monitoring nodes.

Engineering Overview

Product Overview

The GEB 14430 3.7V 650mAh Cylindrical Lithium-ion Battery Cell (4/5 AA Size, 14×43mm) is an industrial rechargeable cell engineered for space-critical electronic hardware requiring higher energy density than alkaline cells. Featuring 3.7V nominal potential and 650mAh rated capacity, it utilizes an advanced NCM electrochemical core encased in a nickel-plated steel canister with integrated CID/PTC safety protections. Measuring Ø 14.0 ± 0.2 mm × H 43.0 ± 0.3 mm (4/5 AA form factor) and weighing Approx. 19.0g ± 1.0g, it is targeted for compact tactical flashlights, smart door locks, personal shavers/groomers, wireless security alarms, and portable handheld medical instruments. Available in flat-top, button-top, or custom spot-welded nickel tab variants.

Quick Reference

Product Specifications

Feature / Attribute	Technical Specification
Battery Core Chemistry	Lithium Nickel Manganese Cobalt Oxide (NCM / Li-ion)
Nominal Voltage & Capacity	3.7V / 650mAh (2.41Wh energy)
Physical Dimensions (D×H)	Ø 14.0 ± 0.2 mm × H 43.0 ± 0.3 mm (4/5 AA Size)
Single Cell Weight	Approx. 19.0g ± 1.0g
Continuous Discharge Rating	1.0C–2.0C continuous (650mA to 1,300mA)
Peak Pulse Discharge	3.0C transient pulse (1,950mA ≤ 5s)
Target Applications	Tactical LED torches, smart door locks, personal grooming devices, wireless security sensors
Terminal Form Factor	Flat Top / Button Top / Pre-welded Solder Tabs
Service Life / Endurance	≥ 500–1,000 cycles (@ 80% DoD, 25°C, 0.5C/0.5C)

Engineering Data

Technical Specifications

Parameter	Value	Test Conditions & Engineering Tolerances
Nominal Operating Voltage	3.7V	Standard measurement @ 25°C, 0.2C rate
Upper Charge Cutoff Voltage	4.20V ± 0.02V	CC/CV mode, 0.02C termination current
Discharge Lower Cutoff Limit	2.75V – 3.00V ± 0.03V	Safety lower voltage threshold
Standard Charge Current	0.2C – 0.5C (130mA to 325mA)	Max recommended fast charge: 1.0C (650mA)
Internal AC Resistance (1kHz)	≤ 50–70 mΩ	1kHz AC test @ 25°C fully charged state
Operating Temperature Range	Charge: 0°C to +45°C \| Discharge: -20°C to +60°C	Ambient environmental test qualification
Safety Standards Compliance	UN38.3, CE, RoHS, MSDS, IEC 62133	Certified for global OEM device integration

Engineering Validation

Equipment Compatibility & Engineering Fit Check

Before deploying GEB 14430 3.7V 650mAh Cylindrical Lithium-ion Battery Cell (4/5 AA Size, 14×43mm), verify these verified electrical and mechanical boundary requirements:

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Voltage & Charge Cutoff: Nominal 3.7V (charging CC/CV cutoff at 4.2V); confirm charger algorithm strictly matches this chemistry.

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Capacity & Energy Budget: Rated at 650mAh; verify system run-time calculations under planned discharge currents.

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Physical Envelope: Specified at Ø 14.0 ± 0.2 mm × H 43.0 ± 0.3 mm (4/5 AA Size); allow 5–10mm buffer in battery tray for expansion and lead harness.

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Cycle Reliability: Verified for ≥ 500–1,000 cycles (@ 80% DoD, 25°C, 0.5C/0.5C) 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 3.7V / 650mAh 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 4.2V.
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 →

Decision Support

Technical Whitepapers & Engineering Guides

B2B Manufacturing Read Guide →

High-Performance Cylindrical Batteries: 16 Years of B2B Manufacturing

Technical breakdown of automated cell sorting, delta IR matching, laser welding busbars, and cycle aging protocols.

QC & Testing Read Guide →

Industrial Cylindrical Batteries: QC, Aging and Test Standards

Key factory inspection criteria for cylindrical packs, thermal management, vibration testing, and BMS protection thresholds.

Sourcing Verification Read Guide →

Cylindrical Battery Sourcing: Capacity and QC Verification Guide

How hardware engineers evaluate true C-rate capability, temperature rise curves, and Grade-A barcode traceability.

⚙ Engineering FAQ & B2B Procurement Specifications

What is the turnaround time for custom battery pack prototypes and mass production for GEB 14430 3.7V 650mAh Cylindrical Lithium-ion Battery Cell (4/5 AA Size, 14×43mm)?

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.