Description
AAA 550mAh NiMH Battery Product Attributes
Key Features:
1. Rechargeable AAA Ni-MH cylindrical cell with 1.2V nominal voltage and 550mAh nominal capacity.
2. Minimum capacity is 520mAh when discharged at 0.2C to 1.0V.
3. Standard charge condition is 52mA for 16 hours.
4. Rapid charge condition is 275mA for 140 minutes with -ΔV=5mV/pcs cut-off.
5. Internal impedance is specified at ≤35mΩ within 1 hour after standard charge.
6. High drain discharge performance is ≥108 minutes at 0.5C discharge to 1.0V.
7. Cycle life exceeds 500 cycles according to IEC61951-2:2017 test conditions.
| 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 | Cylindrical sealed rechargeable Nickel Metal Hydride battery |
| Model | GMCELL AAA550mAh |
| Customer P/N | 2060098 |
| Voltage – Rated | 1.2 V |
| Nominal Capacity | 550mAh |
| Minimum Capacity | 520mAh at 0.2C discharge to 1.0V |
| Internal Impedance | ≤35mΩ within 1 hour after standard charge, measured at 1000Hz |
| Open Circuit Voltage | >1.25V within 1 hour after standard charge |
| Closed Circuit Voltage | >1.2V with 0.86Ω load within 1 hour after standard charge |
| Charge Voltage | <1.6V, checked within 5 minutes before standard charge completion |
| Standard Charge | 52mA × 16 hours |
| Rapid Charge | 275mA × 140 minutes, -ΔV=5mV/pcs |
| High Drain Discharge | ≥108 minutes at 0.5C discharge to 1.0V within 1 hour after standard charge |
| Self Discharge | Remaining capacity ≥70% of rated capacity after 12 months storage below 20℃, then discharged at 0.2C |
| Cycle Life | More than 500 charge-discharge cycles according to IEC61951-2:2017 |
| Standard Charge Temperature | 0–40℃, 32–104℉ |
| Rapid Charge Temperature | 10–35℃, 50–95℉ |
| Floating Charge Temperature | -10–40℃, 14–104℉ |
| Discharge Temperature | -10–65℃, 14–149℉ |
| Storage Temperature | Within 1 year: -20–35℃; within 6 months: -20–45℃; within 1 month: -20–50℃ |
| Storage Humidity | Relative humidity 85% max.; clean, dry, and ventilated storage environment |
| Recommended Storage | Best stored at 15–25℃, away from corrosive substances, fire hazards, and heat sources |
| Dimensions | Diameter 9.8–10.5mm; height 42.0–43.0mm; top diameter 5.0±0.2mm; top height 0.7±0.3mm |
| Weight | Approx. 10.5g |
| Insulate Impedance | Outer sleeve shall exceed 10MΩ |
| Over-charge Test | No external deformation and no leakage; capacity after test not less than rated capacity |
| Over-discharge Test | No external deformation; subsequent capacity not less than 80% of rated capacity |
| Humidity Test | No leakage after 14 days at 33±3℃ and 80±5% relative humidity after standard charge |
| Vibration Resistance | OCV fluctuation <0.02V and internal impedance change <5mΩ after vibration test |
| Drop Test | OCV fluctuation <0.02V and internal impedance change <5mΩ after 450mm drop test |
| Short-circuit Test | No explosion during or at the end of 1-hour short-circuit test; leakage, deformation, or outer sleeve cracking is permitted |
| Low Temperature Discharge | Discharge duration shall exceed 3 hours 30 minutes at 0±2℃, 0.2C discharge |
| Delivery Charge Note | Delivery charge is stipulated to be less than 60% fully powered |
| Warranty | 12 months |
| Charging Method | Use the charger appointed by GMCELL and follow GMCELL charging instructions; rapid charge methods should be discussed with GMCELL engineer |
| Replacement Checkpoints | Confirm 1.2V voltage, 550mAh nominal capacity, 520mAh minimum capacity, 9.8–10.5mm diameter, 42.0–43.0mm height, charge method, discharge load, and storage requirements before ordering |
| Shipping Info | Transport in clean, dry, and well-ventilated conditions; prevent severe vibration, impact, extrusion, sun exposure, and rain |
