GEB 18650 3.6V 2000mAh Cylindrical Li-ion Battery Cell for E-Bikes & Light EVs
Grade-A GEB 18650 3.6V 2000mAh cylindrical Li-ion battery cell with Ø 18.3 ± 0.2 mm × H 65.0 ± 0.3 mm dimensions, CID safety vent, and 2C discharge for electric bikes, power tools, and custom packs.
B2B Engineering Review & Pricing
Direct manufacturer supply, custom BMS telemetry, and CAD fit validation for OEM/ODM projects.
Product Details
The GEB 18650 3.6V 2000mAh Cylindrical Li-ion Battery Cell for E-Bikes & Light EVs is a Grade-A cylindrical Lithium-ion power cell delivering a verified 3.6V/3.7V nominal working voltage and 2,000mAh rated capacity (7.2Wh total energy). Manufactured with precision nickel-plated steel casing and integrated pressure-relief safety vents (CID/PTC), this cell features tight electrochemical consistency (ΔV ≤ 3mV, ΔR ≤ 1.5mΩ) and supports 1.0C–2.0C continuous discharge (2.0A–4.0A) with 3.0C pulse capability (6.0A ≤ 5s). Tailored for multi-cell series/parallel pack assembly in electric bicycles, light electric scooters, portable power tools, and industrial robotics, pack builders should verify spot-welding nickel strip thickness and cell spacing holders prior to pack assembly.
Product Overview
The GEB 18650 3.6V 2000mAh Cylindrical Li-ion Battery Cell for E-Bikes & Light EVs is an industrial-grade cylindrical cell manufactured to strict electrochemical tolerances for high-reliability modular power systems. Featuring a 3.6V nominal voltage and 2000mAh rated capacity, this cell incorporates an automated pressure-relief safety vent (CID/PTC for Li-ion), precision steel can packaging, and low internal resistance (≤ 25 mΩ). With calibrated physical dimensions of Ø 18.3 ± 0.2 mm × H 65.0 ± 0.3 mm and unit weight of Approx. 44.0g ± 1.5g, it is engineered for electric bicycles, cordless power tools, electric scooters, medical equipment, and custom battery pack modules. Before integrating GEB 18650 3.6V 2000mAh Cylindrical Li-ion Battery Cell for E-Bikes & Light EVs, verify rated voltage, current limits, enclosure clearance, connector polarity and charger profile against the target equipment.
Product Specifications
| Feature / Attribute | Technical Specification |
|---|---|
| Battery Chemistry | Lithium Nickel Manganese Cobalt / Cobalt (NCM/LCO 18650) |
| Nominal Voltage & Capacity | 3.6V / 2000mAh (7.2Wh) |
| Physical Dimensions & Weight | Ø 18.3 ± 0.2 mm × H 65.0 ± 0.3 mm / Approx. 44.0g ± 1.5g |
| Continuous Discharge Rating | 1.0C–2.0C (2.0A–4.0A continuous discharge) |
| Peak Pulse Discharge | 3.0C (6.0A pulse ≤ 5s) |
| Target Applications | Electric bicycles, light EVs, power tools, electric scooters, commercial battery 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 | 3.6V | Standard measurement @ 25°C, 0.2C rate |
| Upper Voltage / Cutoff | 4.20V ± 0.02V (CC/CV mode) | Regulation tolerance ±0.02V–0.03V |
| Discharge Lower Cutoff | 2.75V – 3.00V ± 0.03V | Safety lower voltage cutoff threshold |
| Internal AC Resistance (1kHz) | ≤ 25 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 test qualification |
Equipment Compatibility & Engineering Fit Check
Before deploying GEB 18650 3.6V 2000mAh Cylindrical Li-ion Battery Cell for E-Bikes & Light EVs, verify these verified electrical and mechanical boundary requirements:
Operational Boundary Conditions
✔ Recommended Fit & Use Cases:
- Electronic devices and OEM packs matched with 3.6V / 2000mAh 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.
Why China Could Dominate the Next Big Advance in Battery Technology
Industrial analysis of China's global battery manufacturing dominance: supply chain integration, sodium-ion commercialization, solid-state R&D, and B2B OEM scaling.
