ALPHA 2 LITE – 400Ah (2 × 200Ah) 12V LiFePO4 Battery Bank

Overview

The ALPHA 2 LITE offers a powerful and reliable 12V LiFePO4 battery system made from premium lithium-iron-phosphate cells. This package includes two 12V 200Ah batteries along with the necessary cabling, creating a robust 400Ah, 5.12 kWh battery bank. It is designed for consistent performance and low maintenance, making it perfect for residential, mobile, or off-grid applications.

Benefits

• Enjoy dependable power anytime, ensuring sensitive machinery operates smoothly due to stable output voltage.
• Experience reduced maintenance and fewer replacements thanks to a long cycle lifespan and minimal self-discharge rate.
• Feel secure with built-in safety measures, including individual cell fuses and BMS protections to prevent cell damage.
• Benefit from hassle-free installation and handling, with a lightweight design and removable carry handle for easy transport.
• Operate in a variety of environments, with a wide temperature range for charging and discharging that accommodates different climates.

Features

• Utilizes high-quality LiFePO4 cells to ensure stable chemistry and extended life span.
• Features an integrated Battery Management System (BMS) providing overcharge, over-discharge, overcurrent, short-circuit, and temperature protections.
• Includes individual cell fuses that allow the battery to continue functioning even if one cell fails.
• Supports a high continuous discharge and charge current capability, essential for demanding applications (200A).
• Boasts a low self-discharge rate, making it ideal for reliable storage and seasonal use.
• Compact construction with a removable carry handle for easier management.
• Ensures stable output voltage to safeguard electronics and inverters.

Specifications

• Package contents: 2 × 12V 200Ah LiFePO4 batteries; 2 × 1 ft 2 AWG battery cables.
• Configured bank capacity: 400Ah at 12.8V (5.12 kWh total energy).
• Per-battery nominal voltage: 12.8V.
• Per-battery nominal capacity: 200Ah (minimum capacity 199Ah).
• Per-battery energy: 2,560 Wh (total bank energy 5,120 Wh / 5.12 kWh).
• Cycle life: >4,000 cycles; expected service life >10 years with proper care.
• Charge voltage: 14.4V.
• Maximum charge current: 200A.
• Maximum continuous discharge current: 200A.
• Self-discharge: <5% per month.
• Charge temperature range: 0°C to 55°C (32°F to 131°F).
• Discharge temperature range: -20°C to 60°C (-4°F to 140°F).
• Storage temperature: -10°C to 45°C (14°F to 113°F), up to 90% RH max for storage exceeding 3 months.
• Physical dimensions (per battery): 20.9 × 8.1 × 8.5 in.
• Weight (per battery): 52.9 lb.
• BMS overcharge detection voltage: 3.75V ±0.03V per cell; detection delay: 1000ms ±500ms; recovery voltage: 3.55V (min 3.40V, max 3.60V).
• BMS over-discharge detection voltage: 2.20V ±0.08V per cell; detection delay: 1000ms ±500ms; recovery voltage: 2.70V ±0.10V.
• Short-circuit protection: yes.
• Each LiFePO4 cell is individually fused to ensure safety and continuous operation in case of cell failure.
• Warranty: 5 years.