GEB 855085 3.7V 4100mAh Lithium Polymer (LiPo) Battery Cell (8.5×50×85mm)
Grade-A GEB 855085 3.7V 4100mAh Lithium Polymer (LiPo) Battery Cell (8.7×50×87mm) (3.7V, 4100mAh) pouch cell engineered for Rugged industrial tablets, portable medical ultrasound, UAV ground control telemetry, and emergency backup units 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 855085 3.7V 4100mAh Lithium Polymer (LiPo) Battery Cell (8.5×50×85mm) is a large-format pouch lithium polymer cell providing a verified 3.7V nominal operating voltage and 4100mAh rated capacity (15.17Wh total energy). Engineered strictly to standard 855085 electrochemical specifications with physical dimensions of 8.5×50.0×85.0mm (max 8.7mm thickness under cyclic swelling) and a calibrated unit weight of approx. 78g, it exhibits an ultra-low AC resistance of ≤ 18 mΩ, sustained 1.0C continuous discharge (4.1A), and 2.0C surge capability (8.2A ≤ 5s). Built for rugged industrial tablets, portable diagnostic ultrasound units, and UAV ground telemetry terminals, it maintains exceptional voltage plateau retention under continuous multi-ampere loads.
Product Overview
The GEB 855085 3.7V 4100mAh Lithium Polymer (LiPo) Battery Cell provides high gravimetric energy density for power-hungry mobile and outdoor computing equipment. Manufactured with high-purity cathode and anode foils within automated cleanrooms, this cell ensures low internal impedance and superior thermal characteristics. It can be integrated as an autonomous single-cell supply with tailored multi-protection PCM hardware (over-charge, over-discharge, over-current, short-circuit, and dual NTC temperature sensors) or configured into multi-cell series/parallel power blocks.
Product Specifications
| Feature / Attribute | Technical Specification |
|---|---|
| Battery Chemistry | Lithium Cobalt Oxide / NCM Polymer (LiPo Pouch Cell) |
| Nominal Voltage & Capacity | 3.7V / 4100mAh (15.17Wh) |
| Physical Dimensions & Weight | 8.5 ± 0.3 mm (Max 8.7mm) × 50.0 ± 0.5 mm × 85.0 ± 0.5 mm / Approx. 78.0g ± 2.0g |
| Continuous Discharge Rating | 1.0C (4.1A continuous discharge) |
| Peak Pulse Discharge | 2.0C (8.2A pulse ≤ 5s) |
| Target Applications | Rugged industrial tablets, portable medical ultrasound, UAV ground control telemetry, and emergency backup units |
| Standard Terminals | Bare nickel tabs / optional PCM with JST, Molex, or solder leads |
| Service Life / Endurance | ≥ 500–800 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) | Standard regulation tolerance ±0.02V |
| Discharge Lower Cutoff | 3.00V ± 0.03V | Safety lower discharge voltage limit |
| Internal AC Resistance (1kHz) | ≤ 18 mΩ | 1kHz AC test @ 25°C fully charged state |
| Cell Consistency Screening | ΔV ≤ 3mV | ΔR ≤ 1.5mΩ | Pre-assembly automated barcode sorting SOP |
| Standard Charge Current | 0.2C–0.5C (820mA–2050mA) / Max 1.0C (4100mA) | CC/CV charging to 4.20V cutoff |
| 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 855085 3.7V 4100mAh Lithium Polymer (LiPo) Battery Cell (8.5×50×85mm), verify these verified electrical and mechanical boundary requirements:
Operational Boundary Conditions
✔ Recommended Fit & Use Cases:
- Electronic devices and OEM packs matched with 3.7V / 4.1Ah 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.
Why Choose GEB 12V 100Ah LiFePO4 Battery: Industrial Drop-in Replacement & Sizing Guide
Discover why the GEB 12V 100Ah LiFePO4 battery is the premier drop-in replacement for lead-acid: Grade-A prismatic cells, 100A continuous BMS, 4S4P expansion, and 4000+ cycle life.
