GEB 18650 3.7V 2600mAh Cylindrical Lithium-ion (Li-ion) Battery Cell (Standard Core)
Grade-A GEB 18650 3.7V 2600mAh Cylindrical Lithium-ion (Li-ion) Battery Cell (Standard Core) (3.7V, 2600mAh) cylindrical battery with Ø 18.3 ± 0.2 mm × H 65.0 ± 0.3 mm dimensions, low IR, and UN38.3 documentation for Electric bicycles, power tools, electric scooters, medical equipment, custom battery pack 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 2600mAh Cylindrical Lithium-ion (Li-ion) Battery Cell (Standard Core) is a benchmark industrial rechargeable cell delivering 3.7V nominal potential and 2,600mAh verified capacity (9.62Wh). Built with balanced NCM chemistry inside a robust steel casing (18.3 × 65.0 mm, ~45.0g net weight), this standard core cell provides exceptional cycle endurance (≥800 cycles @ 80% DoD) and rock-solid thermal stability. Designed for commercial emergency lighting arrays, solar street lights, wireless security instrumentation, and industrial monitoring systems, it features integrated CID pressure-relief venting and automated cell grouping for modular pack assembly.
Product Overview
The GEB 18650 3.7V 2600mAh Cylindrical Lithium-ion (Li-ion) Battery Cell (Standard Core) is the industry’s most widely adopted cylindrical cell baseline for medium-drain commercial and industrial applications. Offering 3.7V nominal working voltage and 2600mAh rated capacity (9.62Wh energy), this cell is manufactured with Grade-A electrochemical raw materials and an automated production process ensuring minimal cell-to-cell variance (ΔV ≤ 3mV, ΔR ≤ 1.5mΩ). Measuring Ø 18.3 ± 0.2 mm × H 65.0 ± 0.3 mm with a unit weight of Approx. 45.0g ± 1.5g, it is engineered for architectural emergency egress lighting, commercial solar lighting packs, wireless security sensors, portable test instruments, and mobile medical workstations.
Product Specifications
| Feature / Attribute | Technical Specification |
|---|---|
| Battery Chemistry | Lithium Nickel Manganese Cobalt Oxide (NCM 18650 Cylindrical) |
| Nominal Voltage & Capacity | 3.7V / 2600mAh (9.62Wh total energy) |
| Physical Dimensions & Weight | Ø 18.3 ± 0.2 mm × H 65.0 ± 0.3 mm / Approx. 45.0g ± 1.5g |
| Continuous Discharge Rating | 1.5C–2.0C (3.9A–5.2A continuous discharge) |
| Peak Pulse Discharge | 3.0C (7.8A pulse ≤ 5s) |
| Target Applications | Commercial emergency lighting arrays, solar street lights, wireless security sensors, mobile medical carts, power tool backup |
| Terminal Form Factor | Flat Top (pack spot-welding) / Button Top / Pre-welded Pure Nickel Tabs |
| Service Life / Endurance | ≥ 800 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 Voltage / Cutoff | 4.20V ± 0.02V (CC/CV mode) | Regulation tolerance ±0.02V, cutoff @ 0.02C |
| Discharge Lower Cutoff | 2.75V ± 0.03V | Recommended lower threshold for max cycle life |
| Internal AC Resistance (1kHz) | ≤ 28 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: 0~45°C | Discharge: -20~60°C | Ambient environmental test qualification |
Equipment Compatibility & Engineering Fit Check
Before deploying GEB 18650 3.7V 2600mAh Cylindrical Lithium-ion (Li-ion) Battery Cell (Standard Core), verify these verified electrical and mechanical boundary requirements:
Operational Boundary Conditions
✔ Recommended Fit & Use Cases:
- Electronic devices and OEM packs matched with 3.7V / 2.6Ah 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.
