GEB 38120 3.2V 8Ah 15C Ultra-High-Power LiFePO4 Cylindrical Battery Cell
Grade-A GEB 38120 3.2V 8Ah 15C Ultra-High-Power LiFePO4 Cylindrical Battery Cell (3.2V, 8Ah) 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.
Product Details
The GEB 38120 3.2V 8Ah 15C Ultra-High-Power LiFePO4 Cylindrical Battery Cell is a professional-grade high-discharge Lithium Iron Phosphate (LiFePO4) cylindrical cell delivering a verified 3.2V nominal working voltage and 8,000mAh rated capacity (25.6Wh) with an ultra-high continuous discharge capability of 15C (120A continuous) and pulse capability up to 25C–30C (200A–240A). Engineered with heavy-duty internal current collectors and robust M6 screw terminals, this 38120 cell provides exceptional thermal stability, intrinsically safe chemistry, ultra-low internal resistance (≤3.0 mΩ), and >2,000 deep cycles for high-current starter systems, electric racing karts, and heavy-duty industrial mobility.
Product Overview
The GEB 38120 3.2V 8Ah 15C Ultra-High-Power LiFePO4 Cylindrical Battery Cell is an industrial-grade large cylindrical cell manufactured to strict electrochemical tolerances for high-drain applications. Featuring a 3.2V nominal voltage and 8Ah rated capacity (25.6Wh energy content), this cell incorporates an integrated explosion-proof safety vent, stainless steel canister, and ultra-low internal resistance (≤3.0 mΩ). With physical dimensions of Ø 38.0 ± 0.3 mm × H 120.0 ± 0.5 mm and net unit weight of Approx. 330g ± 10g, it is engineered for EV engine jump starters, high-current power tools, commercial energy storage peak shaving, and hybrid robotics. M6 screw terminals ensure low contact resistance and easy busbar assembly.
Product Specifications
| Feature / Attribute | Technical Specification |
|---|---|
| Battery Chemistry | Lithium Iron Phosphate (LiFePO4 Large Cylindrical) |
| Nominal Voltage & Capacity | 3.2V / 8Ah (25.6Wh) |
| Physical Dimensions & Weight | Ø 38.0 ± 0.3 mm × H 120.0 ± 0.5 mm / Approx. 330g ± 10g |
| Continuous Discharge Rating | 15C Continuous (120A continuous discharge) |
| Peak Pulse Discharge | 25C–30C (200A–240A peak pulse ≤ 10s) |
| Target Applications | Engine jump starters, electric karts, marine trolling motors, AGV fast-charge systems, power tools |
| Terminal Form Factor | M6 Threaded Screw Terminals (Stud & Nut options available) |
| Service Life / Endurance | ≥ 2,000–3,500 cycles (@ 80% DoD, 25°C) |
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 regulation threshold |
| Discharge Lower Cutoff | 2.00V – 2.50V ± 0.05V | Safety lower cutoff threshold |
| Internal AC Resistance (1kHz) | ≤ 2.0–4.0 mΩ | 1kHz AC test @ 25°C fully charged state |
| Cell Consistency Screening | ΔV ≤ 3mV | ΔR ≤ 0.5mΩ | Pre-assembly automated laser barcode grading |
| Standard Charge Current | 1C–2C (8A–16A) / Max 3C (24A rapid) | CC/CV mode to 3.65V cutoff |
| Operating Temperature Range | Charge: 0~45°C | Discharge: -20~60°C | Ambient environmental test qualification |
Equipment Compatibility & Engineering Fit Check
Before deploying GEB 38120 3.2V 8Ah 15C Ultra-High-Power LiFePO4 Cylindrical Battery Cell, verify these verified electrical and mechanical boundary requirements:
Operational Boundary Conditions
✔ Recommended Fit & Use Cases:
- Electronic devices and OEM packs matched with 3.2V / 8Ah 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 Manufacturing SOP & Export Compliance
Technical Whitepapers & Engineering Guides
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.
Industrial Cylindrical Batteries: QC, Aging and Test Standards
Key factory inspection criteria for cylindrical packs, thermal management, vibration testing, and BMS protection thresholds.
Cylindrical Battery Sourcing: Capacity and QC Verification Guide
How hardware engineers evaluate true C-rate capability, temperature rise curves, and Grade-A barcode traceability.
