Description
AAA 850mAh NiMH Battery Product Attributes
Key Features:
1. Rechargeable AAA Ni-MH cylindrical cell with 1.2V nominal voltage and 850mAh nominal capacity.
2. Minimum capacity is 850mAh under standard charge and discharge conditions.
3. Standard charge condition is 85mA, 0.1C, for 16 hours at 20±5℃.
4. Quick charge condition is 425mA, 0.5C, for 2.4 hours at 10–40℃ with -ΔV=5mV/cell.
5. Standard discharge is 170mA, 0.2C, to 1.0V per cell.
6. Internal impedance is specified at ≤40mΩ within 1 hour after standard charge.
7. IEC cycle life test rating is ≥500 cycles according to IEC 61951-2:2017 / 7.5.1.2.
| 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 AAA850mAh |
| Voltage – Rated | 1.2 V |
| Nominal Capacity | 850mAh |
| Minimum Capacity | 850mAh under standard charge / discharge condition |
| Internal Impedance | ≤40mΩ within 1 hour after standard charge |
| Open Circuit Voltage | ≥1.25V within 1 hour after standard charge |
| Standard Charge | 85mA, 0.1C, 16 hours at 20±5℃ |
| Quick Charge | 425mA, 0.5C, 2.4 hours at 10–40℃, -ΔV=5mV/cell |
| Trickle Charge | 0.02C–0.05C at 0–40℃ |
| Standard Discharge | 170mA, 0.2C discharge to 1.0V/cell at 20±5℃ and 65±20%RH |
| Maximum Discharge Current | 850mA, 1C, with 1.0V/cell cut-off at -20–60℃ |
| Low Rate Discharge | ≥300 minutes at 0.2C after standard charge and 1 hour rest |
| High Rate Discharge | ≥112 minutes at 0.5C after standard charge and 1 hour rest |
| Charge Retention | ≥510mAh, 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 | Quick charge: 10–40℃; discharge: -20–60℃ |
| Storage Temperature | Within 1 year: -20–25℃; within 6 months: -20–35℃; within 1 month: -20–45℃; within 1 week: -20–55℃ |
| Recommended Storage | Store at -20–35℃ in 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 44.0mm (+0/-1.0); top diameter 4.7mm; top height 0.6mm |
| Weight | Approx. 12.2g per cell |
| Overcharge Test | 0.1C charge for 48 hours; no leakage or deformation required |
| Short Circuit Test | Leakage and deformation may occur, but no explosion is allowed |
| 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 |
| Safety Test | No disrupt, burst, or explosion; electrolyte leakage and deformation are acceptable |
| 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 1.2V voltage, 850mAh capacity, cell dimensions, charging current, discharge load, storage condition, and terminal contact requirements before ordering |
| Shipping Info | Normal delivery electricity retain is 50%; special requirements should be confirmed after negotiation |
