3.6V SC Ni-MH/Ni-Cd Rechargeable Battery with Connector

Professional-grade 3.6V rechargeable battery pack with pre-installed connectors for easy plug-and-play installation. Available in two connector types (DC5521 and Tamiya) and six capacity options (1200mAh to 4000mAh). Perfect for emergency exit lights, portable devices, voice-activated toys, and various electronic applications.

Key Features

• Plug-and-Play Design: Pre-installed connectors for easy replacement
• Two Connector Types: DC5521 or Tamiya - choose what fits your device
• Six Capacity Options: 1200mAh to 4000mAh for different runtime needs
• Dual Chemistry Options: Ni-Cd for durability or Ni-MH for higher capacity
• SC Cell Configuration: 3 cells in series (3S1P)
• Ready to Use: No soldering or wiring required
• Custom Connector Available: Contact us if you need a different connector type

Package Contents

• 1× 3.6V SC Battery Pack with connector (capacity, chemistry, and connector type as selected)

Connector Types

Connector Type	Description	Common Applications
DC5521	5.5mm x 2.1mm barrel connector	Emergency lights, LED lights, portable devices, security systems
Tamiya	Standard Tamiya plug	RC toys, model vehicles, electronic toys, hobby devices

ℹ️ Need a Different Connector? We can customize the connector type for you! Simply contact us with your requirements, and we'll prepare a battery pack with your specific connector.

Capacity & Chemistry Comparison

Capacity	Chemistry	Weight	Runtime vs 1200mAh	Best For
1200mAh	Ni-Cd	~153g	Baseline	Budget-friendly, frequent use
1500mAh	Ni-Cd	~170g	25% longer	Extended runtime
1800mAh	Ni-Cd	~185g	50% longer	Maximum Ni-Cd capacity
2200mAh	Ni-MH	~190g	83% longer	High capacity, minimal memory effect
3000mAh	Ni-MH	~203g	150% longer	Extended operation time
4000mAh	Ni-MH	~216g	233% longer	Maximum capacity, longest runtime

Technical Specifications

Nominal Voltage	3.6V
Chemistry Options	Ni-Cd / Ni-MH
Cell Type	SC (Sub-C)
Cell Dimensions	23mm (diameter) × 43mm (height) per cell
Configuration	3S1P (3 cells in series)
Pack Dimensions	Approx. 23mm × 70mm × 45mm
Connector Options	DC5521 / Tamiya / Custom (contact us)
Condition	Brand New

Common Applications

• Emergency Exit Lights: Backup power for exit door signs
• Emergency Lighting: Safety and egress lighting systems
• Portable Devices: Handheld electronic devices
• Voice-Activated Toys: Talking and sound toys
• Electronic Toys: Battery-powered children's toys
• LED Lights: Portable LED lighting systems
• Security Systems: Backup power for sensors and alarms
• RC Toys: Remote control vehicles (Tamiya connector)

Simple Battery Replacement Guide

✅ Easy Plug-and-Play Installation - No Soldering Required!

Step 1: Choose the Correct Connector

• Check your device's existing battery connector type
• Select matching connector: DC5521 or Tamiya
• If unsure, take a photo and contact us - we'll help identify it!
• Need a different connector? Just tell us what you need, and we'll customize it for you

Step 2: Prepare for Replacement

• Power off device completely
• Disconnect from charger or power source
• Open battery compartment (usually secured with screws)
• Take a photo of old battery orientation for reference

Step 3: Remove Old Battery

• Locate the connector inside device
• Gently pull connector straight out (do not twist or bend)
• Remove old battery from compartment
• Note: Some devices may have battery secured with tape or velcro

Step 4: Install New Battery

• Place new battery in compartment
• Ensure wires are not pinched or twisted
• Align connector with socket in device
• Plug in connector - it should fit smoothly without forcing
• Secure battery with tape or velcro if needed

Step 5: Test and Close

• Verify device powers on correctly
• Check all functions work properly
• Route wires neatly to avoid pinching
• Close battery compartment and secure screws
• Charge battery fully before first use

✨ That's it! Simple 5-step replacement with no technical skills required.

Installation Tips & Precautions

✅ Do:

• Match connector type exactly to your device
• Ensure connector is fully seated when plugging in
• Keep battery away from heat sources
• Charge fully before first use
• Contact us if you need help identifying your connector

❌ Don't:

• Force connector if it doesn't fit easily
• Pull on wires when disconnecting (grasp connector body)
• Bend or twist connector pins
• Use damaged or frayed connectors
• Short-circuit battery terminals

📞 Need Help?

• Not sure which connector you need? Send us a photo!
• Need a custom connector type? We can make it for you!
• Have questions about compatibility? Contact us anytime!

Custom Connector Service

We understand that devices use many different connector types. If your device uses a connector that's not listed (such as JST, Molex, XT60, or any other type), simply contact us with:

• A photo of your current battery and connector
• The connector type name (if known)
• Your device model (if applicable)

We'll prepare a battery pack with the exact connector you need - no extra charge for standard connector types!

Why Choose This Battery Pack?

• Plug-and-Play: Pre-installed connector means no soldering or wiring
• Quality Cells: Premium SC cells for reliable performance
• Flexible Options: Multiple capacities and connector types
• Custom Service: We can install any connector type you need
• Tested Quality: Each pack tested before shipment
• Long Cycle Life: 500-1000 charge cycles

Safety Information

Charging: Use appropriate Ni-Cd or Ni-MH charger. Do not overcharge.

Storage: Store in cool, dry place away from direct sunlight and heat sources.

Operation: Do not short-circuit, puncture, crush, or disassemble the battery.

Temperature: Operating: 0-45°C, Storage: -20-35°C.

Disposal: Ni-Cd batteries contain cadmium. Dispose according to local regulations. Recycle at approved facilities.

Connector Care: Keep connectors clean and dry. Do not force connections.

Shipping & Transportation Notice

Hazardous Material: This product contains rechargeable batteries and is classified as dangerous goods for shipping purposes.

Air Transport Restrictions: Due to international air transport regulations, battery shipments may be subject to additional restrictions and longer transit times.

Packaging Compliance: All shipments comply with UN3481 or UN3480 packaging requirements for nickel-based batteries.

Delivery Time: Battery-containing parcels may experience extended delivery times due to stricter customs inspections and carrier handling procedures.