Battery RAYOVAC BT2-12 Unitree B2 — sealed lead-acid 12V battery, model BT2-12

Sealed lead-acid battery RAYOVAC BT2-12 Unitree B2 (model BT2-12) is a maintenance-free rechargeable 12V battery designed for backup and standby power applications. The battery delivers a stable voltage output and is intended for use in enclosed installations where safe, leak-proof operation is required. Its construction supports moderate discharge rates and reliable performance in systems that demand uninterrupted power for short- to medium-duration events.

Advantages

The RAYOVAC BT2-12 Unitree B2 features a sealed, maintenance-free design that eliminates the need for periodic electrolyte checks or topping up. Its sealed construction reduces the risk of leakage and allows installation in a variety of orientations. The battery provides consistent voltage under typical load conditions and is suitable for repeated charge/discharge cycles common in standby systems. Compact dimensions and standardized terminal types make it compatible with many UPS units, alarm panels, emergency lights and small telecom devices.

Suitable for

• Uninterruptible Power Supplies (UPS) for home and small office equipment
• Alarm and security control panels
• Emergency and exit lighting systems
• Small telecommunications and network backup devices
• Portable power packs and backup modules

Key specifications

• Nominal voltage: 12 V
• Battery type: Sealed lead-acid, valve-regulated
• Rechargeable: Yes, maintenance-free
• Design: Leak-proof sealed construction suitable for enclosed installations
• Intended use: Standby and cyclic applications with moderate discharge rates
• Compatible with common UPS, alarm, emergency lighting and small telecom equipment

How to use

Install the RAYOVAC BT2-12 in accordance with the equipment manufacturer's instructions, observing correct polarity when connecting to terminals. Charge the battery using a compatible lead-acid battery charger or the charger circuitry provided in the host device. Avoid deep discharges whenever possible to extend service life. Ensure the installation location provides moderate ambient temperature and adequate ventilation for the device that houses the battery.

Usage recommendations

For optimal longevity, store and operate the battery at moderate temperatures, regularly check voltage under load in standby systems, and replace the battery when capacity falls below the level required by your equipment. Dispose of the battery according to local regulations for lead-acid batteries.