UPG UB12120 12V 12Ah Rechargeable Battery Documentation

1. Introduction

The UPG UB12120 is a sealed lead-acid (SLA) rechargeable battery designed to deliver reliable and consistent power. With a nominal voltage of 12V and a capacity of 12Ah, this battery is widely used in applications requiring energy storage and backup power. Its maintenance-free design and durable construction make it suitable for both indoor and outdoor use.

Common Applications

• Uninterruptible Power Supplies (UPS)
• Emergency lighting systems
• Security systems and alarms
• Solar energy storage
• Electric scooters and wheelchairs
• Portable electronics and DIY projects
• Robotics and Arduino-based systems

The UB12120 is a versatile power source, ideal for projects requiring a compact, long-lasting, and rechargeable energy solution.

2. Technical Specifications

The following table outlines the key technical details of the UPG UB12120 battery:

Pin Configuration and Terminal Description

The UB12120 battery features F2 terminals for electrical connections. These terminals are Faston tabs with a width of 0.25 inches (6.35 mm). Below is a description of the terminals:

3. Usage Instructions

Connecting the Battery

1. Identify the Terminals: Locate the positive (+) and negative (-) terminals on the battery.
2. Use Proper Connectors: Use F2-compatible connectors to ensure a secure and reliable connection.
3. Polarity Check: Always verify the polarity before connecting the battery to a circuit. Reversing the polarity can damage the battery and connected components.
4. Secure the Battery: Mount the battery in a stable position to prevent movement or vibration during operation.

Charging the Battery

• Use a 12V SLA-compatible charger with a float voltage of 13.5V to 13.8V.
• Avoid overcharging or deep discharging the battery, as this can reduce its lifespan.
• Charge the battery in a well-ventilated area to prevent heat buildup.

Best Practices

• Avoid Over-Discharge: Do not discharge the battery below 10.5V to prevent damage.
• Temperature Considerations: Operate the battery within the specified temperature range for optimal performance.
• Storage: Store the battery in a cool, dry place when not in use. Recharge every 6 months to maintain capacity.

4. Example Application: Arduino UNO Power Supply

The UB12120 can be used as a power source for an Arduino UNO-based project. Below is an example of how to connect the battery to an Arduino UNO using a voltage regulator.

Circuit Diagram

• Connect the positive terminal of the UB12120 to the input of a 12V to 5V voltage regulator (e.g., LM7805).
• Connect the output of the voltage regulator to the Arduino UNO's 5V pin.
• Connect the negative terminal of the UB12120 to the Arduino's GND pin.

Sample Code

The following Arduino code demonstrates a simple LED blink program powered by the UB12120 battery:

// Blink an LED connected to pin 13
// Ensure the Arduino is powered by the UB12120 battery via a voltage regulator

void setup() {
  pinMode(13, OUTPUT); // Set pin 13 as an output
}

void loop() {
  digitalWrite(13, HIGH); // Turn the LED on
  delay(1000);            // Wait for 1 second
  digitalWrite(13, LOW);  // Turn the LED off
  delay(1000);            // Wait for 1 second
}

5. Troubleshooting and FAQs

Common Issues and Solutions

FAQs

1. Can I use the UB12120 battery with solar panels?

   • Yes, the UB12120 can be used with solar panels. Ensure the solar charge controller is compatible with 12V SLA batteries.

2. How long will the battery last on a full charge?

   • The runtime depends on the load. For example, a 1A load will last approximately 12 hours (12Ah ÷ 1A).

3. Can I connect multiple UB12120 batteries together?

   • Yes, you can connect batteries in series (to increase voltage) or in parallel (to increase capacity). Ensure proper wiring and use a battery management system (BMS) for safety.

4. Is the UB12120 safe for indoor use?

   • Yes, the sealed design prevents leaks, making it safe for indoor use. However, ensure proper ventilation during charging.

6. Safety Information

• Do not short-circuit the terminals.
• Avoid exposing the battery to fire or high temperatures.
• Dispose of the battery responsibly according to local regulations.
• Wear protective gear when handling the battery to avoid contact with any leaked electrolyte.

This documentation provides a comprehensive guide to the UPG UB12120 12V 12Ah rechargeable battery. Whether you're using it for backup power, DIY projects, or renewable energy systems, following the guidelines above will ensure safe and efficient operation.