Description

Summary of NiMH AA Battery​

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.