GEB 502030 3.7V 250mAh Lithium Polymer (LiPo) Battery Cell (5×20×30mm)
Grade-A GEB 502030 3.7V 250mAh Lithium Polymer (LiPo) Battery Cell (5×20×30mm) (3.7V, 250mAh) 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.
B2B Engineering Review & Pricing
Direct manufacturer supply, custom BMS telemetry, and CAD fit validation for OEM/ODM projects.
Product Details
The GEB 502030 3.7V 250mAh Lithium Polymer (LiPo) Battery Cell (5×20×30mm) is an ultra-lightweight rechargeable pouch cell specifically designed for wearable medical sensors, smart eyewear, and miniature wireless IoT nodes. Featuring a 3.7V nominal working voltage and 250mAh rated capacity (0.925Wh energy content), this cell is built with micro-layer stacking technology that achieves high volumetric energy density in an ultra-compact footprint. It delivers 1.0C continuous discharge (250mA) and 2.0C pulse discharge (500mA ≤ 5s) with internal AC resistance below 75–90 mΩ. Hardware engineers must account for an approximate 0.4mm thickness expansion clearance over its 500–800 cycle lifecycle and calibrate system cutoff to 3.00V.
Product Overview
The GEB 502030 3.7V 250mAh Lithium Polymer Battery Cell offers exceptional compactness and reliable cyclic stability for wearable and handheld electronics. With dimensions of only 5.0 × 20.0 × 30.0 mm (±0.3mm) and a featherweight design of Approx. 5.8g ± 0.5g, it fits effortlessly into tight ergonomic enclosures such as smart audio glasses temples, active digital styluses, wireless Bluetooth earphones, and portable diagnostic pens. GEB provides customized termination options including ultra-thin Seiko IC protection boards (PCM), micro JST-ACH/SH connectors, and flexible insulated silicone leads.
Product Specifications
| Feature / Attribute | Technical Specification |
|---|---|
| Battery Chemistry | Lithium Cobalt Oxide / NCM Polymer (Ultra-Compact LiPo) |
| Nominal Voltage & Capacity | 3.7V / 250mAh (0.925Wh) |
| Physical Dimensions & Weight | 5.0 × 20.0 × 30.0 mm (±0.3mm) / Approx. 5.8g ± 0.5g |
| Continuous Discharge Rating | 1.0C (250mA continuous discharge) |
| Peak Pulse Discharge | 2.0C (500mA pulse ≤ 5s) |
| Internal AC Resistance (1kHz) | ≤ 75–90 mΩ (@ 25°C fully charged) |
| Target Applications | Smart audio glasses, active stylus pens, wearable medical patches, micro IoT beacons, wireless audio transmitters |
| Terminal & Lead Options | Bare nickel tabs / Custom micro PCM with 2-pin JST-ACH/SH or stripped wire leads |
| Service Life / Endurance | ≥ 500–800 cycles (@ 80% DoD, 25°C, 0.5C/0.5C) |
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 safety cutoff |
| Standard Charge Current | 0.2C–0.5C (50mA to 125mA) | Max recommended fast charge: 1.0C (250mA) |
| Internal AC Resistance (1kHz) | ≤ 75–90 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) |
Equipment Compatibility & Engineering Fit Check
Before deploying GEB 502030 3.7V 250mAh Lithium Polymer (LiPo) Battery Cell (5×20×30mm), verify these verified electrical and mechanical boundary requirements:
Operational Boundary Conditions
✔ Recommended Fit & Use Cases:
- Electronic devices and OEM packs matched with 3.7V / 250mAh 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
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.
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.
3S 11.1V 40C 1500mAh Lithium Battery Pack for RC Cars and Drones
3S 11.1V 1500mAh 40C (16.65Wh) LiPo battery pack for RC cars and FPV drones: 60A continuous output, 135g lightweight, XT60 connector, and low internal impedance.
