Renogy 12V 135Ah Pro Underseat Smart LiFePO4 Battery – Bluetooth Self-Heating Compact Lithium Battery

Renogy 12V 135Ah Pro Underseat Smart LiFePO4 Battery

The Renogy 12V 135Ah Pro Underseat Smart Lithium Iron Phosphate Battery is a compact, high-performance lithium power solution designed specifically for RVs, caravans, camper vans, and off-grid mobile installations where space is limited. Engineered to fit neatly under vehicle seats and inside tight compartments, it delivers powerful, reliable energy storage without sacrificing valuable space.

Featuring built-in Bluetooth monitoring, intelligent self-heating technology, and a smart BMS with over 60 protection functions, this battery is built for dependable performance in demanding environments and all-weather conditions.

Key Features

• Compact underseat design ideal for RV and camper installations
• 135Ah high-capacity lithium power
• Built-in Bluetooth monitoring via the Renogy App
• Intelligent self-heating function for cold-weather charging
• Automotive-grade lithium cells for stable, high-current delivery
• High 135A continuous charge and discharge rates
• 350A peak discharge current (3 seconds)
• Long lifespan with over 4000 cycles (80% DOD)
• Smart BMS with 60+ protection functions
• IP65 weather-resistant, vibration-resistant construction
• Lightweight and space-saving design

Powerful & Efficient Lithium Performance

Designed for demanding off-grid and mobile power systems, this battery delivers reliable energy for caravan and RV electrical systems, camper van conversions, off-grid solar systems, 4×4 dual-battery setups, marine and mobile applications, and backup power systems. Its automotive-grade lithium cells provide stable power delivery and high-current capability for larger inverters and appliances.

Technical Overview

Advanced Smart Battery Management

The integrated intelligent BMS includes over 60 advanced protection functions to ensure safe, stable operation — including overcharge, over-discharge, over-current, short-circuit, and temperature protection, plus voltage balancing and battery management. It’s continuous safeguarding for your battery and your power system.

Self-Heating Cold-Weather Protection

The built-in self-heating system allows safe charging in extremely cold temperatures, making it ideal for year-round travel and off-grid adventures. With a charging range of -20°C to 55°C and a discharge range of -20°C to 50°C, it keeps performing when the temperature drops.

Bluetooth Smart Monitoring

Integrated Bluetooth connectivity lets you monitor the battery in real time directly from the Renogy App — including battery voltage, current draw, remaining capacity, temperature, and overall battery health and diagnostics. Stay informed and in control wherever you are.

Rugged & Reliable Construction

Built to withstand mobile and off-road conditions, the battery features IP65 weather-resistant protection, durable vibration-resistant construction, and certified safe lithium technology — with MSDS, UN38.3, CE, and RoHS certifications for peace of mind.

Ideal Applications

• RV and caravan underseat battery installations
• Camper van electrical systems
• Off-grid solar setups
• 4×4 overlanding and dual-battery builds
• Marine and mobile power systems
• Backup and emergency power systems

Combining compact design, advanced smart features, and powerful lithium performance, the Renogy 12V 135Ah Pro Underseat Smart LiFePO4 Battery delivers reliable energy storage wherever your adventures take you.