4.8V AA 2500mAh NiMH Battery Pack
Summary of 4.8V AA 2500mAh NiMH
High-Capacity Rechargeable Battery Pack for Demanding Applications
Upgrade your power supply solution with the 4.8V AA 2500mAh NiMH Battery Pack — a high-performance, eco-conscious alternative to traditional NiCd or alkaline batteries. With significantly higher energy density and zero toxic materials, this nickel-metal hydride (NiMH) pack offers long-lasting, safe, and stable power for various portable and industrial electronics.
Built using four premium AA-size 2500mAh NiMH cells, this battery pack delivers superior capacity, extended runtime, and over 1000 charge cycles, making it ideal for high-drain devices such as RC models, cordless phones, barcode scanners, toys, flashlights, and more.
AA NiMH Rechargeable Batteries Technical Information
Model: NiMH AA Batteries
Battery Type: 4.8 V NiMH Battery
Nominal Capacity: 2500mAh
Nominal Voltage: 4.8V
Nominal Energy: 12Wh
Charge Cut-off Voltage: 6.0V
Discharge Cut-off Voltage: Typically 4.0V
Standard Charge Current: 0.2C (500mA)
Max Charge Current: 1C (2500mA)
Standard Discharge Current: 0.2C (500mA)
Max Continuous Discharge Current: 1C (2500mA)
Max Peak Discharge Current: 2C (5000mA)
Internal Resistance: Less than 400mΩ
Cycle Life: More Than 500 Times
Dimensions: 29 × 29 × 52 mm
Weight: 119g
Charge Temperature Range: 0°C to 45°C
Discharge Temperature Range: -20°C to 60°C
Storage Temperature Range: -20℃~30℃
Connector: Bare wires, JST, Molex etc
✅ Key Features
⚡ High Energy Density
Cestpower NiMH battery pack delivers up to 40% higher energy density than NiCd batteries — allowing you to run your devices longer on each charge without increasing the pack size.
🧪 Safe & Environmentally Friendly
Cadmium-free and RoHS compliant
Non-toxic and recyclable
Safe chemistry with no memory effect
Built-in thermal protection (custom option)
🔁 Long Life & Reusability
Enjoy up to 500+ recharge cycles, dramatically reducing waste and replacement costs over time.
🔌 Ready for Customization
We support:
OEM / ODM branding
Tailored connector types (JST, Tamiya, Molex, etc.)
Battery casing / shrink wrap options
Custom voltage & capacity packs for special projects
📦 Applications
The 4.8V AA 2500mAh NiMH pack is compatible with a wide range of consumer and commercial applications, including:
🚗 RC Cars, Boats, and Aircraft
☎️ Cordless Phones
🧸 Electronic Toys and Robots
🔦 Flashlights and Portable Lights
🖨️ Barcode Scanners & POS Terminals
🔋 Solar-powered garden lights
🧰 Measuring Tools & DIY Equipment
🌱 Why Choose Cestpower 4.8V NiMH Battery Pack?
✅ Higher capacity than standard Nicd packs
✅ Safer and greener than NiCd or lithium in some use-cases
✅ Stable output voltage over discharge cycle
✅ No memory effect — recharge anytime
✅ Fully customizable for your device or project
✅ RoHS, CE, MSDS compliant for global safety standards
❓ Frequently Asked Questions
Q1: Can I use this battery pack as a drop-in replacement for NiCd?
Yes, this NiMH pack is often used as a safe, higher-capacity replacement for 4.8V NiCd packs in compatible devices.
Q2: What kind of connectors do you provide?
We offer customizable connectors including JST, Molex, Tamiya, HXT, and more. Let us know your device requirements.
Q3: Is this battery environmentally friendly?
Yes — NiMH chemistry is cadmium-free, non-toxic, and recyclable, making it much safer for the environment than NiCd or lead-acid alternatives.
Q4: Can I customize the voltage or capacity?
Absolutely. We can build custom NiMH battery packs with different voltage configurations (e.g., 6V, 7.2V, 9.6V) and capacities per your project needs.
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