Tesla Model S Accessory Battery: Maximize Range & Convenience

Elevate your Tesla Model S experience with a reliable accessory battery—designed to extend range, power auxiliary systems, and deliver seamless performance when you need it most.

Tesla Model S Accessory Battery: Essential Upgrade for Modern Driving

The accessory battery enhances your Model S by providing extra power for features like heated seats, premium audio, climate control, and off-grid connectivity. Unlike standard batteries, it’s engineered for efficiency and compatibility, ensuring quick installation and optimal performance without compromising safety or vehicle integrity. With the right accessory battery, every journey becomes more flexible and enjoyable, supporting both daily utility and long-distance travel.

Key Benefits of Upgrading Your Model S Accessory Battery

Investing in a high-quality accessory battery delivers measurable advantages: extended cabin comfort through extended use of climate systems, uninterrupted entertainment via powered accessories, and greater readiness for outdoor adventures with reliable energy backup. These batteries are built to Tesla’s exacting standards, guaranteeing seamless integration and maximum efficiency. Whether you’re commuting or exploring, your Model S stays powered and ready.

Installation and Maintenance Made Easy

Professional-grade accessory batteries for the Model S are designed for straightforward installation by certified technicians, minimizing downtime. Built with durable materials and smart thermal management, they require minimal maintenance while delivering consistent performance. Routine checks ensure longevity, making them a smart, low-effort upgrade that enhances your vehicle’s capabilities for years.

Transform your Tesla Model S into a true powerhouse with the accessory battery upgrade—engineered for performance, compatibility, and ease. Don’t settle for less; upgrade today and experience every journey with greater freedom and confidence.

A large digital LED readout with auto-shutoff capabilities makes inflating your Tesla tires safe and easy. Versatile 3-in-1 capabilities as a lithium-powered electric air compressor, powerbank battery for your phone and devices, and LED light. For older Tesla vehicles that use an AGM lead-acid battery in combination with an inverter charger, the voltage normally runs a little higher, in the 14-15 volt range.

Today's Tesla vehicles use a Lithium-Ion 16v battery for accessories, controls, lights, and computers. This typically has a system voltage in the 15. With the refreshed Model S/Model X, Tesla has switched from lead-acid to an all-new lithium-ion 12V auxiliary battery.

Let's take a look. Shop Tesla Model S Accessories at TESBROS.COM Model S Chrome Delete. The best Tesla Model S accessories include lighting upgrades for the interior, floor mats, and even a cargo area cover for your pet.

12 Volt Model S Battery This battery is designed especially for the Tesla Model S. Our design engineers carefully analyzed battery usage and charge characteristics, and created a battery perfectly suited for the rigorous demands placed on a battery that is under constant charge in this EV, and in service 24×7. Fullriver Battery High Capacity Dual Purpose AGM 12v Battery for Tesla Model S $239.95 $249.95 Pay over time with Affirm.

See if you qualify at checkout. We sell over 600 Accessories to our 150,000 customers worldwide. We are the leader in the industry since 2013, and each of our our products feature detailed DIY installation videos to making self-installation simple.

Buy buy with confidence, no restocking fees and Lifetime Warranties*. The "12V Battery Needs Service" message in your Tesla Model S is a common alert and indicates it's time to replace the 12V auxiliary battery. Your decision on which replacement battery to choose depends on your priorities, such as cost, performance, longevity, and convenience.

Shop over 500+ new and unique Tesla Model S accessories at The EV Shop. Custom-made accessories for the 2012-2022 Tesla Model S. Upgrade your Model S with lighting upgrades, phone holders, screen protectors, floor mats, spoilers, frunk & trunk organizers, seat covers, sunshades, replacement parts, and so much more.