GEB 38120 3.2V 10Ah High-Power LiFePO4 Cylindrical Battery Cell (Headway 38120S)

Grade-A GEB 38120 3.2V 10Ah High-Power LiFePO4 Cylindrical Battery Cell (Headway 38120S) (3.2V, 10Ah) cylindrical battery with Ø 38.0 ± 0.3 mm × H 120.0 ± 0.5 mm dimensions, low IR, and UN38.3 documentation for High-power electric mobility, solar street lighting, power tools, commercial energy storage modules.

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 38120 3.2V 10Ah High-Power LiFePO4 Cylindrical Battery Cell (Headway 38120S) is a professional-grade Lithium Iron Phosphate (LiFePO4) cylindrical power cell delivering a verified 3.2V nominal operating voltage and 10,000mAh rated capacity (32.0Wh total energy). Engineered with heavy-duty internal current collectors and robust M6 screw terminals (threaded studs), this 38120 cell provides superior thermal stability, intrinsically safe chemistry, low internal resistance (≤ 4.0–6.0 mΩ), and a sustained 5C continuous discharge rating (50A continuous) with 10C pulse capability (100A ≤ 5s). Designed for electric vehicles, automotive jump starters, solar energy storage, and marine trolling motors, buyers should verify busbar pitch, cell holder diameter (38.0mm), and charger cutoff calibration (3.65V) prior to system installation.

Engineering Overview

Product Overview

The GEB 38120 3.2V 10Ah High-Power LiFePO4 Cylindrical Battery Cell (Headway 38120S) is an industrial-grade large-format cylindrical cell manufactured to strict electrochemical tolerances for high-drain applications. Featuring a 3.2V nominal voltage and 10Ah rated capacity (32.0Wh energy content), this cell incorporates an integrated mechanical pressure-relief safety vent, a heavy-duty nickel-plated steel canister, and ultra-low internal resistance (≤ 4.0–6.0 mΩ). With precision physical dimensions of Ø 38.0 ± 0.3 mm × H 120.0 ± 0.5 mm and a calibrated unit weight of Approx. 330g ± 10g, it is engineered for high-power electric mobility, engine jump starters, solar street lighting, and commercial energy storage modules. M6 threaded studs ensure minimal contact resistance and facilitate modular busbar assembly.

Quick Reference

Product Specifications

Feature / Attribute Technical Specification
Battery Chemistry Lithium Iron Phosphate (LiFePO4 Cylindrical)
Nominal Voltage & Capacity 3.2V / 10Ah (32.0Wh)
Physical Dimensions & Weight Ø 38.0 ± 0.3 mm × H 120.0 ± 0.5 mm / Approx. 330g ± 10g
Continuous Discharge Rating 3C–5C (30A–50A continuous discharge)
Peak Pulse Discharge 10C (100A peak pulse ≤ 5s)
Target Applications Electric mobility, engine jump starters, solar ESS, power tools, commercial energy storage modules
Terminal Form Factor M6 Threaded Screw Terminals / Threaded Studs
Service Life / Endurance ≥ 2,000–3,500 cycles (@ 80% DoD, 25°C, 1C/1C)
Engineering Data

Technical Specifications

Parameter Value Test Conditions & Engineering Tolerances
Nominal Operating Voltage 3.2V Standard measurement @ 25°C, 0.2C rate
Upper Voltage / Cutoff 3.65V ± 0.03V (LiFePO4 CC/CV mode) Standard LiFePO4 charge regulation threshold
Discharge Lower Cutoff 2.50V ± 0.05V Safety lower voltage cutoff threshold
Internal AC Resistance (1kHz) ≤ 4.0–6.0 mΩ 1kHz AC test @ 25°C fully charged state
Cell Consistency Screening ΔV ≤ 3mV | ΔR ≤ 1.0mΩ Pre-assembly automated barcode grading SOP
Standard Charge Current 0.5C–1.0C (5A–10A) / Max 2C (20A) CC/CV charging to 3.65V cutoff
Operating Temperature Range Charge: 0~45°C | Discharge: -20~60°C Ambient environmental test qualification
Engineering Validation

Equipment Compatibility & Engineering Fit Check

Before deploying GEB 38120 3.2V 10Ah High-Power LiFePO4 Cylindrical Battery Cell (Headway 38120S), verify these verified electrical and mechanical boundary requirements:

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Voltage & Charge Cutoff: Nominal 3.2V (charging CC/CV cutoff at 3.65V); confirm charger algorithm strictly matches this chemistry.
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Capacity & Energy Budget: Rated at 10Ah; verify system run-time calculations under planned discharge currents.
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Physical Envelope: Specified at Ø 38.0 ± 0.3 mm × H 120.0 ± 0.5 mm; allow 5–10mm buffer in battery tray for expansion and lead harness.
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Cycle Reliability: Verified for ≥ 2,000–3,500 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 3.2V / 10Ah 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 3.65V.
  • 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 38120 3.2V 10Ah High-Power LiFePO4 Cylindrical Battery Cell (Headway 38120S)?
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.

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