GEB 1.2V 300mAh Ni-MH 2/3AAA Rechargeable Battery Cell for Solar Lights & Instruments
Industrial 1.2V 300mAh 2/3AAA Ni-MH cylindrical rechargeable battery cell (Ø10.2×28.5mm, Approx. 7.8g, 0.36Wh) with 500+ cycles, zero memory effect, and flat or button top for solar garden lights, telemetry sensors, and cordless electronics.
B2B Engineering Review & Pricing
Direct manufacturer supply, custom BMS telemetry, and CAD fit validation for OEM/ODM projects.
Product Details
The GEB 1.2V 300mAh Ni-MH 2/3AAA Rechargeable Battery Cell is a miniature cylindrical Nickel-Metal Hydride power cell engineered for compact electronics and solar harvesting applications. Delivering a verified 1.2V nominal operating voltage and 300mAh rated capacity (0.36Wh energy), this cell is built in the standard 2/3AAA form factor (Ø 10.2 × 28.5 mm, weight Approx. 7.8g). Featuring an electrochemical formulation optimized for low self-discharge and wide operating temperatures (-10°C to +60°C), it provides seamless replacement for primary alkaline cells or legacy Ni-Cd cells in solar lawn lanterns, wireless sensors, and medical telemetry instruments.
Product Overview
The GEB 1.2V 300mAh 2/3AAA Ni-MH Battery Cell provides reliable electrochemical storage in high-volume OEM consumer and industrial products. Manufactured with automated positive/negative electrode winding and an integrated resealable pressure relief vent, the cell withstands standard overcharge conditions encountered in solar-powered charging circuits. Available in Flat Top (for spot-welding into custom multi-cell battery packs) or Button Top (for consumer battery compartments), it delivers consistent 1.2V plateau voltage during standard 0.2C discharge regimes.
Product Specifications
| Feature / Attribute | Technical Specification |
|---|---|
| Battery Chemistry | Nickel-Metal Hydride (Ni-MH Cylindrical) |
| Cell Size Code | 2/3AAA (Standard Industrial Sub-Size) |
| Nominal Voltage & Capacity | 1.2V / 300mAh (0.36Wh) |
| Physical Dimensions | Ø 10.2 ± 0.2 mm × H 28.5 ± 0.5 mm |
| Cell Unit Weight | Approx. 7.8 g (±0.5g) |
| Standard Continuous Discharge | 0.2C (60mA) / Max Continuous 1.0C (300mA) |
| Peak Pulse Discharge | 2.0C Pulse (600mA ≤ 2 seconds) |
| Terminal Options | Flat Top / Button Top / Pre-welded Solder Nickel Tabs |
| Target Applications | Solar lawn lights, wireless mouse, electric shavers, PCB clock backup, medical sensors |
| Service Life / Endurance | ≥ 500–1,000 cycles (@ IEC 61951-2 standards) |
Technical Specifications
| Parameter | Value | Test Conditions & Engineering Tolerances |
|---|---|---|
| Nominal Operating Voltage | 1.2V | Standard measurement @ 25°C, 0.2C rate |
| Upper Voltage / Charge Cutoff | 1.45V – 1.50V | -ΔV detection (5–10mV/cell) or 0.1C (30mA) 15h timed charge |
| Discharge Lower Cutoff | 1.00V ± 0.05V | Safety lower voltage threshold under load |
| Internal AC Resistance (1kHz) | ≤ 35–50 mΩ | 1kHz AC test @ 25°C fully charged state |
| Standard Charge Current | 0.1C (30mA) × 14–16 hours | Continuous safe trickle charge: 0.03C–0.05C (9mA–15mA) |
| Fast Charge Current | 0.5C (150mA) with -ΔV cutoff | Smart Ni-MH charging control |
| Operating Temperature Range | Charge: 0~45°C | Discharge: -10~60°C | Storage: -10~35°C (40%~60% SoC storage) |
Integration & Operational Boundary Conditions
Solar Charging Current Limit: When integrating into solar pathway fixtures with small PV panels, ensure peak midday charge current does not exceed 0.2C (60mA) and average trickle current remains between 10mA–30mA to prevent excessive internal heating.
Over-Discharge Lower Threshold: Design the circuit cut-off threshold at 1.00V. Discharging below 0.8V accelerates negative electrode oxidation and shortens cycle endurance.
Tab Welding Notice: For custom pack assembly, use micro-point spot welders with 0.1mm nickel tabs. Never apply direct solder iron heat to the safety vent cap on the positive terminal.
Equipment Compatibility & Engineering Fit Check
Before deploying GEB 1.2V 300mAh Ni-MH 2/3AAA Rechargeable Battery Cell for Solar Lights & Instruments, verify these verified electrical and mechanical boundary requirements:
Operational Boundary Conditions
✔ Recommended Fit & Use Cases:
- Workshop, field, or production line operation within specified input electrical tolerances.
- Standard equipment environments requiring multi-tier thermal and short-circuit protections.
- Integrations requiring calibrated voltage regulation and industrial-grade MTBF endurance.
⚠ Operational Constraints & Limits:
- Do not exceed rated peak continuous load current without adequate forced air circulation.
- Avoid exposure to moisture or conductive dust beyond certified housing ingress ratings.
- Ensure connector polarity and pin assignment match system schematics prior to initial power-up.
First-Party Manufacturing SOP & Export Compliance
Technical Whitepapers & Engineering Guides
Lithium Battery Quality Control Checklist for B2B Projects
15-point factory testing protocol covering automated cell grading, delta IR matching, spot-weld pull tests, and aging SOP.
LiPo Battery Shipping Documents: What Importers Should Prepare
Class 9 export compliance, UN38.3 test summaries, MSDS/SDS validation, and maritime/air cargo dangerous goods SOP.
Custom OEM/ODM Battery Engineering & Manufacturing Workflow
Turnkey engineering process: initial CAD modeling, smart BMS firmware development, prototype validation, and mass production.
