1.2V 4000mAh C NiMH Battery Cell
Summary of NiMH C Battery Cell
High-Efficiency Rechargeable C-Size NiMH Cell for Demanding Applications
The 1.2V 4000mAh C NiMH Battery Cell is a next-generation rechargeable solution engineered for performance, safety, and sustainability. With a high capacity of 4000mAh, this nickel-metal hydride (NiMH) cell delivers greater energy density than traditional NiCd batteries, superior environmental safety, and an extended cycle life of over 1000 cycles.
Designed for professional use across medical equipment, industrial devices, emergency systems, and OEM solutions, this battery offers low self-discharge, excellent low-temperature performance, and minimal memory effect, making it a highly reliable choice for long-term applications.
NiMH C Battery Specification
Model: C Cell NiMH Batteries
Rated Capacity: 4000mAh
Energy: 4.8Wh
Minimum Capacity: 3950mAh
Rated voltage: 1.2V
Discharge Cut-off Voltage: 1.0V
Charge Cut-off Voltage: 1.5V
Cycle Life: More than 1000 cycles
Dimensions: Φ26*50.5mm
Weight: 65g
Internal Resistance: Less than 12mΩ
Standard Discharge Current: 0.2C (1100mA)
Standard Charge Current: 0.2C (1100mA)
Max Continuous Discharge Rate: 5C (20A)
Max Continuous Charge Current: 1C (4A)
Charging Temperature: 0 to 45℃;
Discharge Temperature: -20 to 60℃
Storage Temperature:
- -20℃~25℃: 12 months
- -20℃~45℃: 3 months
- -20℃~60 ℃: 1 month
🌟 Key Features
⚡ Higher Energy Density vs NiCd
Compared to nickel-cadmium batteries, this C-size NiMH cell offers significantly higher energy storage, making it perfect for devices with high power demands.
🌱 Environmentally Friendly & Cadmium-Free
Manufactured without toxic heavy metals, this battery is RoHS-compliant and meets modern environmental regulations.
🔁 Extended Cycle Life – Over 1000 Recharge Cycles
Engineered for longevity, this cell retains high performance over 1000+ charge-discharge cycles, making it a cost-effective and reliable choice for long-term power needs.
❄️ Excellent Low-Temperature Performance
Performs efficiently in cold environments as low as -20°C, making it ideal for outdoor, industrial, or emergency applications.
💡 Minimal Memory Effect
Unlike older NiCd cells, this NiMH battery has negligible memory effect, so users can recharge at any time without reducing the total battery capacity.
🛠 Fully Customizable to Fit Your Needs
We offer OEM customization including:
Voltage and capacity adjustment
Battery pack configurations
Various terminal types (Molex, JST, Faston, etc.)
Private labeling and branded packaging
🧪 Typical Applications
🩺Medical equipment (infusion pumps, monitors)
🧰 Industrial handheld tools
🧯 Emergency lighting and alarms
🧸 Consumer electronics and toys
🔌 Portable backup power units
NiMH vs NiCd – Why Upgrade?
| Feature | NiMH Battery (This Product) | NiCd Battery |
|---|---|---|
| Energy Density | Higher | Lower |
| Environmental Impact | Non-toxic, Cadmium-free | Contains Cadmium (toxic) |
| Memory Effect | Very Low | Noticeable |
| Cycle Life | ≥ 1000 cycles | Usually < =500 cycles |
| Temperature Tolerance | Excellent (-20°C to +60°C) | Moderate |
❓ Frequently Asked Questions (FAQ)
1. What is the cycle life of the 1.2V 4000mAh C NiMH battery?
The battery offers an extended cycle life of over 1000 charge-discharge cycles, making it ideal for long-term, heavy-duty applications.
2. Can this NiMH battery replace my current NiCd battery?
Yes. This NiMH cell offers higher energy density, longer lifespan than NiCd batteries. It is usually used as replacement, but always check compatibility with your device.
3. Does this battery have memory effect?
This C NiMH battery has lower memory effect compared to NiCd battery. It can be charged at any point without significantly affecting capacity.
4. Is this battery safe for outdoor or cold weather use?
Yes. The battery is designed to perform reliably in a wide temperature range of -20°C to +60°C, making it suitable for outdoor, industrial, or emergency applications.
5. Can I customize the battery size, voltage, or connectors?
Absolutely. We support full OEM/ODM customization, including:
Voltage & capacity tuning
Battery pack assemblies
Connector options (e.g., JST, Molex, custom leads)
Private labeling & packaging
6. How long can this battery be stored without use?
Thanks to its low self-discharge rate, the battery can be stored for months with minimal capacity loss, making it suitable for emergency or backup use.
7. What certifications do you provide for this battery?
We provide CE, RoHS, MSDS, and other shipping or compliance documents upon request.
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