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The Rt Stick Battery Pack 3.6V/4.8V Ni-CD Rechargeable Battery is a versatile, emergency-focused power solution designed for devices requiring higher-voltage energy. As a specialized Ni-CD Rechargeable Battery Pack, it features a slim stick design that combines multiple cells to offer two voltage options: 3.6V and 4.8V. This flexibility makes it adaptable to a range of mid-power devices, from emergency lights to remote control hobby equipment. Manufactured to strict standards, it holds IECCE Certification and RoHS Compliance, ensuring safety, environmental friendliness, and compatibility with global markets. Unlike single-cell batteries, this stick battery pack is engineered for extended use—making it ideal for scenarios where reliable backup power is non-negotiable.
| Type | Ni-MH/Ni-CD Battery Pack |
| Connection Mode | Series and Parallel |
| Rechargeable | Chargeable |
| Discharge Rate | Medium Discharge Rate |
| Size | Small |
| Accessories Type | Battery |
| Rated Capacity | >1000MAH |
| Standard Voltage | 1.2V~1.5V |
| Usage | Remote Control Boat, Remote Control Plane,Remote Control Car, Emergency Lighting |
| Electrolyte | Alkaline |
| Capacity | 2500mAh |
| Battery Size | AA |
| OEM | Yes |
| Temperature | 0-70 |
| Trademark | TWD |
| Transport Package | Carton |
| Specification | 385*260*155mm |
| Origin | China |
| HS Code | 8507300090 |

Dual Voltage Options: With 3.6V and 4.8V configurations, this stick battery pack eliminates the need to purchase separate packs for different devices. This versatility makes it a cost-effective choice for users with multiple high-voltage electronics.
Compact Stick Design: The slim, lightweight stick structure fits easily into devices with limited space, such as emergency lights and small remote control vehicles. Its portable build also makes it easy to store as a backup power source.
Emergency-Ready Performance: Engineered for reliability in critical situations, this Ni-CD battery pack maintains stable power output during extended use. Essential for emergency lighting systems that need to function continuously during power outages.
Rechargeable and Long-Lasting: As a Ni-CD rechargeable battery pack, it supports hundreds of charge cycles, reducing waste and long-term costs. Its durable construction resists leakage and wear, ensuring consistent performance even with frequent use.
Global Safety Compliance: Certified by IECCE and RoHS, the battery pack meets strict international safety and environmental standards. This ensures it’s safe for use in homes, offices, and public spaces, and simplifies distribution across global markets.
The primary use of this Rt Stick Battery Pack is powering Emergency Lighting Systems, including portable emergency lights, exit signs, and backup lighting fixtures. Its stable voltage (3.6V or 4.8V) ensures these critical devices stay operational when main power fails, providing essential illumination during emergencies. Beyond emergency use, the pack is also compatible with remote control hobby devices that require higher voltage, such as remote control boats, remote control planes, and remote control cars. These toys demand more power than single-cell batteries can provide, and the pack delivers the necessary energy for smooth, extended playtime. Additionally, it can power small household electronics that support its voltage range, such as portable fans or low-power tools.
Certified Reliability: Our stick battery pack holds IECCE and RoHS certifications, verifying its safety, performance, and environmental compliance. These credentials guarantee you’re investing in a product that meets global industry standards.
Customizable Configurations: We offer customizable voltage and connector options to fit your device’s exact needs. Our OEM/ODM support includes adjustments to lead wires, labels, and packaging—ensuring the battery pack integrates seamlessly with your product.
Secure Transit Packaging: Each battery pack is shipped in sturdy carton packaging that protects it from damage during transit. This ensures your order arrives in perfect condition, whether you’re ordering small quantities or bulk shipments.
Expert Manufacturing: Our factory uses advanced Ni-CD battery production technology and strict quality control processes. Every pack is tested for voltage stability, leakage, and durability—ensuring it performs as expected in critical scenarios.
Dedicated Support: Our team provides guidance on voltage selection, installation, and maintenance. Whether you’re a business sourcing for emergency lights or a hobbyist needing power for remote control toys, we’re here to address your questions promptly.
Description | Unit | Specification | Conditions | |
Nominal Voltage | V/Cell | 1.2V | Unit cell | |
Nominal Capacity | mAh | 4000 | Standard Charge/Discharge | |
Standard Charge | mA | 400(0.1C) | Ambient Temperature: | |
Hour | 16 | |||
Trickle Charge | (0.03C)~(0.05C) | Ta=0~45℃ | ||
Standard discharge | mA | 800(0.2C) | Ambient Temperature: | |
Discharge Cut-off Voltage | V/Cell | 1.0 | ||
Operating temperature range | ℃ | 0~45℃ | Humidity:Max:85% | |
Storage Temperature | ℃ | -20~35℃ | AYear | Fully charged state,Humidity,Max.60% |
0~60℃ | AWeek | Fully charged state,Humidity,Max.80% | ||
Typical Weight | g | Approx.108.0 | ||
Performance
Test | Unit | Specification | Other Condition | Remarks |
Capacity | mA h | 4000 | Standard Charge Discharge | Up to 3 cycles are allowed |
Open Circuit Voltage( OCV) | V/C ell | ≥1.25 | Within 1 hour after standard Charge | |
Internal I mpedanc e | mΩ/ Cell | ≤16 | Upon fully charge (1 KHz) | |
High Rate Discharge(1.0C) | minute | ≥48 | Standard Charge,1 hour rest Before Discharge by 1.0C to 1.0 V/cell | up to 3 cycles are allowed |
Overcharge | No leakage nor explosion | 0.1C Charge14 days | ||
Charge Retention | mA h | ≥2600(65%) | Standard Charge,Storage:45℃Ambient Temperature,Standard Discharge/45℃ | |
IEC Cycle Life | Cyc le | ≥500 | IEC61951-1(2003)7.4.1.1 | (See Note ) |
Leakage Test | No leakage nor deformation | Fully charged at 0.5C for 2.5 hour stand for 14 days. | ||
Security Test | No explosion,but leakage or deformation is allowed | Charge the cell 0.1C 16hrs,Then≤100 mΩImpedance short circuit for 1hour 0.1C16.≤100 mΩ1. | Ambient Temperature:T=20±5℃ | |
Impact Resistance | Change of voltage should be under 0.02V/ Cell Change of impedance should be under 5 mΩ/ Cell/<20mV/,<5 mΩ/ | Charge the cell 0.1C 16hrs Then leave for 1~4hrs,check battery before/after dropped, Height 50cm Wooden board (thickness 30mm) Direction not specified,3 times. 0.1C16,1~4,.50cm,30mm,3 | Ambient Temperature:T=20±5℃ |
Select the voltage that matches your device’s requirements. Check your device’s user manual—emergency lights and remote control toys often specify 3.6V or 4.8V. Using the correct voltage ensures optimal performance and prevents damage to your device.
The pack performs well in moderate temperatures, but extreme cold may temporarily reduce its capacity. For outdoor use in cold climates, store it in a warm place before use and avoid prolonged exposure to freezing temperatures to maintain performance.
Yes, it works with most standard Ni-CD battery chargers that support 3.6V or 4.8V. Ensure the charger’s output matches the pack’s voltage to avoid overcharging or undercharging, which can shorten its lifespan.
Like most Ni-CD rechargeable batteries, it has a low self-discharge rate. When stored in a cool, dry place, it retains a significant portion of its charge for weeks—making it ready for emergency use when needed. For long-term storage, a partial charge (50%) is recommended.
