iPower 5C High-Rate Ni-MH Battery Series: Engineering Specs for Industrial Power Tools
When designing power systems for heavy-duty industrial smart tools, vacuum cleaners, and automated robotics, the rated capacity cannot be treated as a flexible marketing number. Engineers require batteries that can sustain massive current loads without severe voltage drop or thermal runaway. This guide outlines the official specifications of our 5C High-Rate Ni-MH battery series, designed explicitly for high-intensity industrial applications.
Understanding High-Rate Performance: Energy vs. Power
A common misconception in battery selection is that a 5C battery drains too quickly to be useful. In reality, a 5C rating denotes the battery's peak continuous power output, not a lack of endurance. For example, our SC3000P model is rated for 3000mAh and can comfortably sustain a continuous massive load of 15000mA (15A).
Under strict laboratory conditions, this cell guarantees a continuous discharge time of ≥8 minutes when pulled relentlessly at 5C down to an 0.8V cut-off. For real-world power tools operating via intermittent bursts (such as a 3-second screw fastening cycle), this immense power delivery prevents motor stalling and voltage collapse, easily supporting hundreds of operation cycles per charge.
Key Differences: AA vs. SC Form Factors

Our standard standard cylindrical high-rate cells come in two primary sizes to accommodate different mechanical housing limitations and power requirements: the AA series (14.5×49.5mm) and the SC series (22.5×43.0mm).
| Comparison Item | AA Series (14.5×49.5mm) | SC Series (22.5×43.0mm) | Marketing & Engineering Note |
|---|---|---|---|
| Internal Resistance (IR) | 30mΩ | 20mΩ | SC series has lower IR, yielding significantly better high-drain performance. |
| Max Discharge Rate | 5C (7.5A-9A) | 5C (12.5A-15A) | All 4 models support 5C high rate continuous discharge without thermal damage. |
| Cycle Life | ≥400 cycles | ≥400 cycles | Industrial-grade lifespan conforming to IEC61951-2:2017 standards. |
| Typical Weight | 25-27g | 48-54g | Weight scales precisely with true capacity and physical cell size. |
Complete 5C Series Technical Specifications
The matrix below details the core electrical and charging parameters across our complete high-rate lineup. Data is sourced from the official Rev A0 (2025/05/20) datasheets by Huizhou Shenzhou Super Power Technology Co., Ltd.
| Parameter Item | AA1500P 1.2V | AA1800P 1.2V | SC2500P 1.2V | SC3000P 1.2V |
|---|---|---|---|---|
| Nominal Voltage | 1.2V | 1.2V | 1.2V | 1.2V |
| Rated / Typical Capacity | 1500mAh | 1800mAh | 2500mAh | 3000mAh |
| Minimum Capacity | 1450mAh | 1750mAh | 2400mAh | 2900mAh |
| Internal Impedance (1KHz, Full Charge) | ≤30mΩ | ≤30mΩ | ≤20mΩ | ≤20mΩ |
| Max Continuous Discharge Current | 7500mA (5C) | 9000mA (5C) | 12500mA (5C) | 15000mA (5C) |
| 1C Discharge Time (to 0.9V) | ≥52 mins | ≥52 mins | ≥52 mins | ≥52 mins |
| 5C Discharge Time (to 0.8V) | ≥8 mins | ≥8 mins | ≥8 mins | ≥8 mins |
| Standard Charge (0.1C) | 150mA × 16h | 180mA × 16h | 250mA × 16h | 300mA × 16h |
| Fast Charge (1.0C) | 1500mA × 1.2h | 1800mA × 1.2h | 2500mA × 1.2h | 3000mA × 1.2h |
Production and Quality Considerations
Because industrial equipment relies heavily on predictable energy delivery during high-current pulses, we implement stringent QC protocols before these power cells are assembled into custom OEM battery packs. Our checks include 100% voltage and internal resistance verification, 0.2C capacity grading, and random spot checks for the 5C 8-minute endurance metric.
Require a Custom 5C High-Rate NiMH Pack?
If you are engineering an industrial smart tool, robust vacuum cleaner, or automated system that requires uncompromising high-drain capabilities, our team can help you select the precise AA or SC cell size to match your load profile. Contact us to request datasheets, UN38.3 test reports, and free engineering samples.
Email: Service@weijiangpower.com
WhatsApp: +8615089431104




