GEB 303450 3.7V 500mAh Lithium Polymer (LiPo) Battery Cell (3×34×50mm)

Name: GEB 303450 3.7V 500mAh Lithium Polymer (LiPo) Battery Cell (3×34×50mm)
Brand: GEB
Price: 12.46 USD
Availability: PreOrder

Grade-A GEB 303450 3.7V 500mAh Lithium Polymer (LiPo) Battery Cell (3×34×50mm) (3.7V, 500mAh) pouch cell engineered for Smart glasses, handheld barcode scanners, POS terminals, Bluetooth audio, and portable medical diagnostic pens with ultra-low IR, optional PCM circuit, and UN38.3 documentation where applicable.

Lithium Polymer Battery

B2B Engineering Review & Pricing

Direct manufacturer supply, custom BMS telemetry, and CAD fit validation for OEM/ODM projects.

⚡ Send Inquiry 📄 Request Datasheet & Pinout

✔ 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 303450 3.7V 500mAh Lithium Polymer (LiPo) Battery Cell (3×34×50mm) is an ultra-slim high-density Lithium Polymer (LiPo) pouch cell delivering a verified 3.7V nominal working voltage and 500mAh rated capacity (1.85Wh). Boasting a wafer-thin 3.0mm thickness with a broad 34mm × 50mm planar footprint, this cell maximizes surface area heat dissipation while delivering extended runtime for compact handheld electronic enclosures. Engineered for smart glasses, handheld barcode readers, portable point-of-sale (POS) terminals, and mobile medical diagnostic devices, it supports continuous 1.0C (500mA) discharge rates with robust multi-layer safety encapsulation.

Engineering Overview

Product Overview

The GEB 303450 3.7V 500mAh Lithium Polymer (LiPo) Battery Cell (3×34×50mm) is a Grade-A flexible pouch lithium polymer cell engineered for space-constrained electronic hardware. Delivering 3.7V nominal voltage and 500mAh rated capacity, this cell utilizes advanced high-energy-density stacking technology, ultra-pure electrolyte formulation, and low internal impedance. Featuring physical dimensions of 3.0 × 34.0 × 50.0 mm (±0.3mm) with a net weight of approximately 11.0g ± 0.5g, it is targeted for smart glasses, handheld barcode scanners, POS terminals, Bluetooth audio, and portable medical diagnostic pens.

Quick Reference

Product Specifications

Feature / Attribute	Technical Specification
Battery Chemistry	Lithium Cobalt Oxide / NCM Polymer (LiPo Pouch)
Nominal Voltage & Capacity	3.7V / 500mAh (1.85Wh)
Physical Dimensions & Weight	3.0 × 34.0 × 50.0 mm (±0.3mm) / Approx. 11.0g ± 0.5g
Continuous Discharge Rating	1.0C (500mA continuous discharge)
Peak Pulse Discharge	2.0C (1000mA pulse ≤ 5s)
Target Applications	Smart glasses, handheld barcode scanners, POS terminals, Bluetooth audio, and portable medical diagnostic pens
Standard Terminals	Bare nickel tabs / optional PCM with JST, Molex, or solder leads
Baseline Cycle Life	≥ 500–800 cycles (@ 80% DoD, 25°C, 0.5C/0.5C)

Engineering Data

Technical Specifications

Parameter	Value	Test Conditions & Engineering Tolerances
Nominal Voltage	3.7V	Standard measurement @ 25°C, 0.2C discharge
Upper Charge Voltage Cutoff	4.20V ± 0.02V	CC/CV charge mode, 0.02C termination current
Discharge Lower Cutoff	3.00V ± 0.03V	PCM / Controller automatic low-voltage cutoff
Standard Charge Current	0.2C – 0.5C (100mA to 250mA)	Max recommended fast charge: 1.0C (500mA)
Internal AC Resistance (1kHz)	≤ 45 mΩ	1kHz AC test @ 25°C fully charged state
Cell Consistency Screening	ΔV ≤ 3mV \| ΔR ≤ 1.5mΩ	Pre-assembly automated barcode classification
Operating Temperature Range	Charge: 0~45°C \| Discharge: -10~55°C	Storage: 15~25°C (60% SoC storage)

Engineering Validation

Equipment Compatibility & Engineering Fit Check

Before deploying GEB 303450 3.7V 500mAh Lithium Polymer (LiPo) Battery Cell (3×34×50mm), verify these verified electrical and mechanical boundary requirements:

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Voltage & Charge Cutoff: Nominal 3.7V (charging CC/CV cutoff at 4.2V); confirm charger algorithm strictly matches this chemistry.

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Capacity & Energy Budget: Rated at 500mAh; verify system run-time calculations under planned discharge currents.

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Physical Envelope: Specified at 3.0 × 34.0 × 50.0 mm (±0.3mm); allow expansion clearance and wire bend radius inside the device compartment.

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Cycle Reliability: Verified for ≥ 500–800 cycles (@ 80% DoD, 25°C, 0.5C/0.5C) under controlled DoD and thermal management.

💡 Custom Engineering Fit: Contact our Shenzhen engineering team to verify CAD models, custom wire leads, or system integration specs for this product.

Operational Suitability

Operational Boundary Conditions

✔ Recommended Fit & Use Cases:

Electronic devices and OEM packs matched with 3.7V / 500mAh 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 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 electrochemical balance.

🔬 Joint Integrity & Testing Laser or ultrasonic busbar/tab 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 →

Decision Support

Technical Whitepapers & Engineering Guides

Complete Guide Read Guide →

What is a LiPo Battery [2026 Complete Engineering Guide]

In-depth overview of polymer chemistry, pouch packaging safety, high energy density, and custom geometric form factors.

Specs Decoded Read Guide →

Understanding S, P, and C in LiPo Battery Specs Explained

Clear technical guide to cell series/parallel architectures, voltage multiplication, and continuous vs burst discharge ratings.

Technical Deep-Dive Read Guide →

Lithium vs Lead-Acid Batteries: Performance and Lifetime Cost

Head-to-head comparison between LiFePO4 lithium and lead-acid batteries. Compare usable capacity, cycle life, maintenance, and 10-year lifetime TCO.

⚙ Engineering FAQ & B2B Procurement Specifications

Can GEB 303450 3.7V 500mAh Lithium Polymer (LiPo) Battery Cell (3×34×50mm) be supplied with a pre-installed PCM, NTC thermistor, and wire connector?

Yes. While supplied as a bare Grade-A cell by default, GEB provides turnkey custom termination including Seiko/ichi-grade protection circuit modules (PCM), 10kΩ/100kΩ NTC thermistor leads, and genuine JST, Molex, or custom wire harnesses.

How does GEB ensure batch consistency for multi-cell series/parallel pack assembly?

Every production batch undergoes 100% automated OCV, AC internal resistance (1kHz ACIR), and capacity grading so cells shipped in the same lot maintain tight voltage and impedance matching.

Does GEB provide UN38.3 test summaries, MSDS, and Class 9 dangerous goods export compliance?

Yes. General Electronics Technology (GEB) supplies complete first-party compliance documentation including UN38.3 test summaries, 1.2m drop test reports, MSDS/SDS sheets, and certified IATA/IMDG Class 9 dangerous goods packaging.

What is the turnaround time and MOQ for custom cell terminations or pack assembly?

Standard bare cells or custom PCM/connector prototypes ship within 7 to 10 business days after drawing confirmation, with mass production turnaround of 15 to 20 business days.