2-Pack 12V 9Ah for Liftmaster LA400 Battery Replacement - Compatible with Liftmaster Garage Door Battery 29-NP712, for GTO PRO SL2002B Dual, PRO-SW2000XLS Swing Gate Opener 12 Volt Rechargeable SLA

RELIABLE POWER SOURCE FOR RESIDENTIAL GATE AUTOMATION SYSTEMSThis 12V 9AH sealed lead-acid (SLA) battery is a dependable replacement solution for sluggish or non-responsive gate operations. Compatible with systems like the LiftMaster LA400, it delivers consistent voltage needed to drive motors, even under load or without AC power. Replacement for LiftMaster garage door battery, compatible with LiftMaster LA400 battery, and designed to be compatible with LiftMaster garage door battery replacement.DESIGNED TO SOLVE COMMON GATE OPENER ISSUESThis battery provides the surge-start capacity to overcome startup resistance, solving issues like gates stalling or needing manual assistance. Its pre-charged design supports easy installation for quick restoration of functionality.BUILT FOR EASE OF USE AND LONG-TERM VALUENo topping off. No leaking. No maintenance. This maintenance-free, spill-proof battery supports multi-position mounting for easy installation in compact or custom enclosures. It comes with two F1 to F2 adapters for flexible connection options. Safety-focused construction ensures reliable operation even in warm climates and high-usage environments.IDEAL FOR HOMEOWNERS, GATE TECHNICIANS, AND OFF-GRID SOLAR GATE USERSWhether replacing aging components or troubleshooting gate behavior, this SLA battery offers a practical, affordable solution for reliable performance across diverse use cases.Please Note: This is an UpStart Battery brand replacement part, not an OEM product.

• 𝐑𝐄𝐋𝐈𝐀𝐁𝐋𝐄 𝟏𝟐𝐕 𝟗𝐀𝐇 𝐒𝐋𝐀 𝐁𝐀𝐓𝐓𝐄𝐑𝐘 𝐅𝐎𝐑 𝐃𝐑𝐈𝐕𝐄𝐖𝐀𝐘 𝐆𝐀𝐓𝐄𝐒 - Delivers consistent power output to ensure smooth operation of LiftMaster and other compatible gate systems — even during AC outages. Replacement for LiftMaster garage door battery, compatible with LiftMaster LA400 battery, and designed to be compatible with LiftMaster garage door battery replacement.
• 𝐒𝐔𝐑𝐆𝐄-𝐑𝐄𝐀𝐃𝐘 𝐁𝐀𝐓𝐓𝐄𝐑𝐘 𝐏𝐄𝐑𝐅𝐎𝐑𝐌𝐀𝐍𝐂𝐄 𝐅𝐎𝐑 𝐇𝐄𝐀𝐕𝐘 𝐆𝐀𝐓𝐄 𝐋𝐎𝐀𝐃𝐒 - Engineered to support gate openers through cold-start surges and initial push loads; resolves stalling issues caused by low cranking power in old or worn batteries.
• 𝐄𝐀𝐒𝐘 𝐈𝐍𝐒𝐓𝐀𝐋𝐋𝐀𝐓𝐈𝐎𝐍 𝐈𝐍 𝐌𝐎𝐒𝐓 𝐆𝐀𝐓𝐄 𝐂𝐎𝐍𝐓𝐑𝐎𝐋 𝐁𝐎𝐗𝐄𝐒 - Fits standard enclosures with minimal effort; customers confirm drop-in compatibility with many control systems, including LiftMaster LA400. Comes with two F1 to F2 adapters for flexible connection options.
• 𝐋𝐎𝐍𝐆-𝐋𝐀𝐒𝐓𝐈𝐍𝐆 𝐏𝐄𝐑𝐅𝐎𝐑𝐌𝐀𝐍𝐂𝐄 - Batteries arrive pre-charged and deliver reliable power for extended periods, ensuring consistent gate operation over time.
• 𝐌𝐀𝐈𝐍𝐓𝐄𝐍𝐀𝐍𝐂𝐄-𝐅𝐑𝐄𝐄, 𝐕𝐄𝐑𝐒𝐀𝐓𝐈𝐋𝐄 𝐌𝐎𝐔𝐍𝐓𝐈𝐍𝐆 & 𝐒𝐀𝐅𝐄 𝐅𝐎𝐑 𝐕𝐀𝐑𝐈𝐎𝐔𝐒 𝐄𝐍𝐕𝐈𝐑𝐎𝐍𝐌𝐄𝐍𝐓𝐒 - This sealed lead-acid (SLA) battery requires no water topping or routine maintenance. Designed for safe, spill-proof operation, it supports flexible mounting positions and performs reliably in high-temperature outdoor settings. Compatible with 29-NP712, GTO PRO SL2002B Dual, and PRO-SW2000XLS Swing Gate Opener.