Description
44AAA 900mAh NiMH Battery Product Attributes
Key Features:
1. Cylindrical sealed Ni-MH rechargeable cell with 1.2V nominal voltage and 900mAh nominal capacity.
2. Minimum capacity is 900mAh at 0.2C discharge.
3. Standard charge rate is 90mA × 16 hours.
4. Rapid charge rate is 450mA × 140 minutes with -ΔV=5mV/pcs cut-off.
5. Internal impedance is ≤35mΩ within 1 hour after standard charge.
6. Discharge temperature range is -20℃ to 55℃.
7. Cycle life exceeds 500 charge-discharge cycles according to IEC61951-2:2017.
| 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-44AAA900mAh |
| Customer P/N | 2060098 |
| Voltage – Rated | 1.2 V |
| Nominal Capacity | 900mAh |
| Minimum Capacity | 900mAh / 0.2C discharge |
| 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 | 90mA × 16 hours |
| Rapid Charge | 450mA × 140 minutes, -ΔV=5mV/pcs |
| High Drain Discharge | ≥108 minutes at 0.5C discharge to 1.0V |
| Self Discharge | ≥70% of rated capacity after 28 days storage below 20℃ |
| Cycle Life | More than 500 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 | -20–55℃, -4–131℉ |
| 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 43.0–44.5mm; top diameter 3.7±0.2mm; top height 1.7±0.3mm |
| Weight | Approx. 12g |
| 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 50% 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, 900mAh capacity, 43.0–44.5mm height, 9.8–10.5mm diameter, charge method, discharge load, storage conditions, and top terminal dimensions before ordering |
| Shipping Info | Transport in clean, dry, and well-ventilated conditions; prevent severe vibration, impact, extrusion, sun exposure, and rain |
