GEB 18650 3.7V 3000mAh Li-ion Battery Cell for E-Bikes & Light Electric Vehicles
Grade-A GEB 18650 3.7V 3000mAh cylindrical Li-ion battery cell (Ø18.3×65.0mm, Approx. 46.5g) with 1.5C–2.0C continuous discharge (4.5A–6.0A) and low internal resistance for electric bicycles, light EVs, and custom high-capacity modules.
B2B Engineering Review & Pricing
Direct manufacturer supply, custom BMS telemetry, and CAD fit validation for OEM/ODM projects.
Product Details
The GEB 18650 3.7V 3000mAh Li-ion Battery Cell for E-Bikes & Light Electric Vehicles is a professional Grade-A cylindrical Lithium-ion (Li-ion) cell delivering a verified 3.7V nominal working voltage and 3,000mAh rated capacity (11.1Wh energy). Manufactured with a high-integrity nickel-plated steel canister, PTC thermal thermistor, and CID pressure-relief safety vent, this cylindrical cell features strict electrochemical classification (ΔV ≤ 3mV, ΔR ≤ 1.5mΩ). It delivers reliable 1.5C–2.0C continuous discharge (4.5A–6.0A) and high cyclic durability, making it ideal for multi-cell series/parallel pack assembly in e-bikes, electric scooters, pedelecs, and portable light mobility equipment.
Product Overview
The GEB 18650 3.7V 3000mAh Li-ion Battery Cell for E-Bikes & Light Electric Vehicles is an industrial rechargeable cell engineered to strict electrochemical tolerances for high-reliability cyclic applications. Featuring a 3.7V nominal voltage and 3000mAh rated capacity, this cell incorporates advanced NCM cathode formulations for high gravimetric energy density. With physical dimensions of Ø 18.3 ± 0.2 mm × H 65.0 ± 0.3 mm; unit weight is confirmed for the selected configuration. 46.5g ± 1.5g, it is engineered for electric bicycle downtube packs, pedelecs, light electric mopeds, golf carts, and custom battery modules. Before module spot-welding, verify pure nickel tab thickness, cell spacing holders, and BMS balance current thresholds.
Product Specifications
| Feature / Attribute | Technical Specification |
|---|---|
| Battery Core Chemistry | Lithium Nickel Manganese Cobalt Oxide (NCM 18650) |
| Nominal Voltage & Capacity | 3.7V / 3000mAh (11.1Wh energy) |
| Physical Dimensions (D×H) | Ø 18.3 ± 0.2 mm × H 65.0 ± 0.3 mm (Standard 18650) |
| Single Cell Weight | Approx. 46.5g ± 1.5g |
| Continuous Discharge Rating | 1.5C–2.0C continuous (4.5A to 6.0A) |
| Peak Pulse Discharge | 3.0C transient pulse (9.0A ≤ 5s) |
| Target Applications | Electric bicycles, pedelecs, electric scooters, medical gear, custom pack modules |
| 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) |
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 charge mode, 0.02C termination current |
| Discharge Lower Cutoff Limit | 2.75V – 3.00V ± 0.03V | Safety lower voltage threshold |
| Internal AC Resistance (1kHz) | ≤ 18–30 mΩ | 1kHz AC test @ 25°C fully charged state |
| Cell Consistency Screening | ΔV ≤ 3mV | ΔR ≤ 1.5mΩ | Pre-assembly automated barcode classification SOP |
| Operating Temperature Range | Charge: 0°C to +45°C | Discharge: -20°C to +60°C | Ambient environmental operating envelope |
| Safety Standards Compliance | UN38.3, CE, RoHS, MSDS, IEC 62133 Tested | Certified for global multi-cell module assembly |
Equipment Compatibility & Engineering Fit Check
Before deploying GEB 18650 3.7V 3000mAh Li-ion Battery Cell for E-Bikes & Light Electric Vehicles, verify these verified electrical and mechanical boundary requirements:
Operational Boundary Conditions
✔ Recommended Fit & Use Cases:
- Electronic devices and OEM packs matched with 3.7V / 3Ah 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 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.
