Description
AA 1600mAh NiMH Battery Product Attributes
Key Features:
1. Rechargeable AA Ni-MH cylindrical cell with 1.2V nominal voltage and 1600mAh nominal capacity.
2. Minimum capacity is specified as 1600mAh under standard charge and discharge conditions.
3. Standard charging condition is 160mA, 0.1C, for 16 hours at 20±5℃.
4. Quick charge supports 800mA, 0.5C, for 2.4 hours at 10–40℃ with -ΔV=5mV/cell control.
5. Standard discharge is 320mA, 0.2C, to 1.0V per cell at 20±5℃.
6. Maximum discharge current is specified as 1600mA, 1C, with 1.0V/cell cut-off.
7. Dimensions are 14.5mm diameter and 50.0mm height with tube; weight is about 23.5g per cell.
| Type | Description |
|---|---|
| Category | Ni-MH Batteries |
| Mfr | GMCELL |
| Battery Chemistry | Nickel Metal Hydride |
| Battery Type | Rechargeable Nickel Metal Hydride Cylindrical Cell |
| Model | GMCELL AA1600mAh |
| Specification | Ni-MH AA 1600mAh 1.2V |
| Battery Configuration | Single AA NiMH cell, 1 × 1.2V |
| Voltage – Rated | 1.2 V |
| Nominal Capacity | 1600mAh under standard charge / discharge condition |
| Minimum Capacity | 1600mAh |
| Internal Resistance | ≤35mΩ within 1 hour after standard charge |
| Open Circuit Voltage | ≥1.25V within 1 hour after standard charge |
| Standard Charge | 160mA, 0.1C, 16 hours at 20±5℃ |
| Quick Charge | 800mA, 0.5C, 2.4 hours at 10–40℃, -ΔV=5mV/cell |
| Trickle Charge | 0.02C–0.05C at 0–40℃ |
| Standard Discharge | 320mA, 0.2C discharge to 1.0V/cell at 20±5℃ |
| Maximum Discharge Current | 1600mA, 1C, with 1.0V/cell cut-off |
| 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 | ≥960mAh, 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℃ to 25℃; within 6 months: -20℃ to 35℃; within 1 month: -20℃ to 45℃; within 1 week: -20℃ to 55℃ |
| Storage Recommendation | Store under -20℃ to 35℃, low humidity, and no corrosive gases; one charge/discharge cycle is needed after three months of storage |
| Dimensions | Diameter 14.5mm (+0/-0.7); height 50.0mm (+0/-1.0); top diameter 6.6mm; top height 0.6mm |
| Weight | About 23.5g |
| 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 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 |
| Safety Test | No disrupt, burst, or explosion after forced discharge test; electrolyte leakage and deformation are acceptable |
| Warranty | One-year limited warranty against workmanship and material defects |
| Electricity Retains Before Delivery | Normally 50% before delivery unless otherwise confirmed by special requirement |
| 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, capacity, AA cell dimensions, polarity, charging method, compartment fit, and storage condition before replacement or bulk supply |
| Shipping Info | Available for standard bulk supply or custom NiMH battery pack projects using AA 1600mAh cells |




