Description
AAA 300mAh NiMH Battery Product Attributes
Key Features:
1. Rechargeable AAA Ni-MH cylindrical cell with 1.2V nominal voltage and 300mAh nominal capacity.
2. Standard charge condition is 30mA for 16 hours at 20±5℃.
3. Quick charge condition is 150mA for approximately 2.4 hours at 10–40℃ with -ΔV control.
4. Standard discharge is 60mA to 1.0V per cell under 20±5℃ and 65±20%RH test conditions.
5. Internal resistance is specified at ≤50mΩ within 1 hour after standard charge.
6. IEC cycle life test rating is ≥500 cycles according to IEC 61951-2:2017 / 7.5.1.2.
7. Recommended storage condition is -20℃ to 35℃ in low humidity and non-corrosive gas environments.
| Type | Description |
|---|---|
| Category | Ni-MH Batteries |
| Mfr | GMCELL |
| Series | GMCELL® |
| Packaging | Box / Bulk Pack / Custom Pack Option |
| Part Status | Active |
| Battery Chemistry | Nickel Metal Hydride |
| Battery Type | Rechargeable Nickel Metal Hydride Cylindrical Cell |
| Model | GMCELL AAA300mAh |
| Battery Configuration | Single AAA NiMH cell, 1 × 1.2V |
| Voltage – Rated | 1.2 V |
| Nominal Capacity | 300mAh under standard charge / discharge condition |
| Minimum Capacity | 300mAh |
| Internal Resistance | ≤50mΩ within 1 hour after standard charge |
| Open Circuit Voltage | ≥1.25V within 1 hour after standard charge |
| Standard Charge | 30mA, 0.1C, 16 hours at 20±5℃ |
| Quick Charge | 150mA, 0.5C, approx. 2.4 hours at 10–40℃, -ΔV=5mV/cell |
| Trickle Charge | 0.02C–0.05C at 0–40℃ |
| Standard Discharge | 60mA, 0.2C discharge to 1.0V/cell at 20±5℃ |
| Maximum Discharge Current | 300mA, 1C, with 1.0V/cell cut-off |
| 0.2C Discharge | ≥300 minutes after standard charge and 1 hour rest |
| 0.5C Discharge | ≥112 minutes after standard charge and 1 hour rest |
| Charge Retention | ≥180mAh, 60%, after 28 days at ambient temperature or 7 days at 45℃ |
| IEC Cycle Life Test | ≥500 cycles according to IEC 61951-2:2017 / 7.5.1.2 |
| Operating Temperature | Fast charge: 10–40℃; discharge: -20–60℃ |
| Storage Temperature | Recommended -20–35℃; storage limit depends on duration: up to 1 year at -20–25℃, 6 months at -20–35℃, 1 month at -20–45℃, 1 week at -20–55℃ |
| Storage Recommendation | Store under -20℃ to 35℃, low humidity, and no corrosive gases; 1–3 charge/discharge cycles may be needed after long-term storage |
| Dimensions | Diameter 10.5mm (+0/-0.7); height 29.0mm (+0/-1.0); top diameter 5.1mm; top height 0.6mm |
| Weight | Approx. 6.5g per cell |
| Overcharge Test | 0.1C charge for 48 hours; no leakage or deformation required |
| Short Circuit Test | No explosion allowed after standard charge short-circuit test at 20±5℃ |
| Vibration Resistance | Voltage change <0.02V/cell and internal resistance change <5mΩ/cell after vibration test |
| Impact Resistance | Voltage change <0.02V/cell and internal resistance change <5mΩ/cell after three 100cm drop tests |
| Leakage Test | No leakage or deformation after 14 days storage following standard charge |
| Warranty | One-year limited warranty against workmanship and material defects |
| Charging Method | Use the correct charger for Ni-MH batteries; do not reverse charge, short circuit, or solder directly to the cell |
| Replacement Checkpoints | Confirm voltage, 300mAh capacity, cell dimensions, charging current, discharge load, polarity, storage condition, and terminal contact requirements before ordering |
| Shipping Info | Available for standard bulk supply or custom rechargeable battery projects using AAA 300mAh NiMH cells |
