Vatrer 12V 300Ah Bluetooth Self-heating Lithium Battery 200A BMS
- Over 5,000 Deep Cycles: Enjoy up to 10 years of service life with 5,000+ deep cycles, outlasting lead-acid batteries by up to five times.
- 90W Self-Heating Efficiency: Features a 90W heated lithium pad that doubles heating efficiency, activating below 32°F/0°C and stopping at 41°F/5°C.
- 3,840Wh Energy Capacity: Delivers 3,840Wh of energy with a 2,560W discharge rate, powering devices for extended periods.
- 10x Faster Charging: Charges 10 times faster than standard lead-acid batteries, with options like 7.5 hours via 40A LiFePO4 charger.
- 61.44kWh Expandability: Scales up to 61.44kWh with 4S4P configurations, offering flexible energy growth.
- 58.42 lbs Lightweight Design: Weighs just 58.42 lbs, making it easy to install in RV or home solar system setups.
- IP65 Waterproof Rating: Built with an IP65 rating, ensuring durability in humid or rainy conditions.
Estimated delivery between Nov 30 and Dec 05. Order within .
Built for All-Season RV and Off-Grid Power
The Vatrer 12V 300Ah lithium battery is designed for those who rely on steady, long-lasting power wherever the road leads, whether you’re living in an RV, camping off-grid, or powering a mobile workspace. Unlike standard lead-acid batteries, which lose performance in cold weather and require constant maintenance, this 12V self-heating battery delivers dependable energy, intelligent protection, and real-time monitoring to keep your systems running in any season.


High Energy Density and Lightweight Power Design
The Vatrer 12V 300Ah lithium battery combines high energy density and powerful performance in a compact, lightweight design. Delivering 3840Wh of usable energy and a 2560W discharge rate, it efficiently powers appliances such as air conditioners, refrigerators, and induction cookers in RV solar and off-grid systems. Weighing only 58.42 lbs, around 50% lighter than standard lead-acid batteries, it’s easier to install, reduces vehicle load, and boosts overall energy efficiency. Its durable IP65 waterproof housing ensures dependable operation in rain, humidity, or dusty outdoor environments, giving users stable power wherever they travel.


Advanced BMS for Complete Safety Control
The built-in 200A BMS in the Vatrer 12V 300Ah lithium battery ensures safe, efficient operation through comprehensive protection against overcharging, over-discharging, short circuits, and high-temperature short-circuit impact. It continuously balances each LiFePO4 cell to maintain consistent voltage, prevent uneven wear, and maximize service life. This smart protection system enables stable performance under heavy loads, extending battery longevity and providing peace of mind for RV, solar, and off-grid applications.


Self-Heating for Cold-Weather Operation
Cold weather can be a lithium battery’s greatest challenge, but not for the Vatrer 300Ah battery. Its built-in 90W self-heating system automatically activates when the temperature drops below 32°F and stops once it reaches 41°F. This design doubles heating efficiency and allows safe charging even in freezing environments, keeping your RV solar or camping power system operational year-round. This innovation ensures you can travel confidently through snow-covered mountains or chilly forest camps without battery failure or restricted charging.


Low-Temperature Protection for Cold Climate Operation
Outdoor power reliability often fails in extreme cold, but the Vatrer 12V self-heating battery is engineered to overcome this challenge. It features an integrated low-temperature protection system that automatically halts charging below 32°F and resumes once temperatures rise above 41°F. If conditions drop below −4°F, the system safely stops discharging to protect the internal cells. Combined with the 90W self-heating pad, this safeguard allows the battery to maintain stable operation during winter camping, high-altitude travel, or off-grid use in cold regions. It ensures that your power source remains both safe and functional, no matter how harsh the temperature outside.


Expandable to a 61.44kWh System
For users who demand more power, the battery’s modular design supports both series and parallel expansion. By configuring up to 4S4P, you can scale your energy storage up to 51.2V 1200Ah (61.44kWh), making it suitable for home energy storage or large off-grid systems. This scalability means your power grows with your needs, ideal for upgrading from weekend camping to full-time off-grid living.


Real-Time Bluetooth Monitoring
The Vatrer app connects to your 12V 300Ah lithium battery via Bluetooth, providing real-time data on voltage, current, temperature, and state of charge. This transparent control allows you to track battery health and performance directly from your smartphone, whether your system is powering an RV, boat, or solar installation. It’s convenience and confidence in one simple interface.


Multiple Charging Options for Any Setup
Flexibility is essential for outdoor energy users. The Vatrer 12V 300Ah supports three main charging methods:
- 14.6V 40A LiFePO4 charger – fully charges in about 7.5 hours.
- Solar charging (MPPT controller, ≥850W) – recharges efficiently during daylight, ideal for RV solar systems.
- Generator or alternator with DC-DC charger – provides fast recovery during extended trips.
No matter your setup, this lithium battery ensures that you stay powered even when sunlight or infrastructure is limited.


Optimized for RV, Camping and Off-Grid Energy Freedom
Built for mobility and independence, the Vatrer 12V 300Ah self-heating battery provides reliable energy for RVs, campsites, and off-grid homes alike. In RVs, it delivers stable voltage for key systems like air conditioning, lighting, and refrigeration, while its self-heating technology ensures smooth operation even in cold climates. For camping, it quietly powers essential gear and eliminates the need for fuel generators. In off-grid energy storage, its 4S4P expandability up to 61.44kWh enables long-term power for solar homes and cabins. Combined with its built-in 200A BMS and Bluetooth monitoring, it gives you complete control and dependable, maintenance-free energy anywhere.


Ready to Power Your Next Adventure
The Vatrer 12V 300Ah self-heating battery combines robust performance, intelligent protection, and smart monitoring in a lightweight package. It’s a long-term investment in power independence, delivering safety, flexibility, and peace of mind for every outdoor enthusiast and off-grid homeowner. Whether you’re camping under the stars or managing a solar home system, Vatrer gives you the energy to go further, last longer, and live freely.


TECH SPECS
FAQs
Yes. This battery is designed as a drop-in replacement for most standard lead-acid batteries. It uses the same 12V nominal voltage, but offers a much higher energy density, faster charging, and longer service life. You may only need to confirm charger compatibility, LiFePO4 chargers or DC-DC converters are recommended for optimal performance.
The 90W self-heating pad activates only when temperatures fall below 32°F and stops automatically at 41°F minimizing energy use. It draws a small portion of stored power or incoming charge to maintain safe temperature levels. This ensures reliable charging without significantly reducing available capacity, even during prolonged cold weather.
Yes. The Vatrer 12V 300Ah supports multiple charging sources, including solar MPPT controllers, DC-DC chargers, and LiFePO4 chargers. However, ensure each source is regulated to prevent overcharging. Using a properly configured charging controller allows safe, simultaneous inputs and protects the chemical structure of the LiFePO4 cells.
Runtime depends on the total load. For example, a 3840Wh capacity can power a 100W appliance for roughly 38 hours or a 500W refrigerator for about 7 hours. Real-world duration varies with temperature, inverter efficiency, and discharge rate, but users can expect significantly longer use than from equivalent lead-acid systems.
The Vatrer 300Ah battery has a very low self-discharge rate, less than 3% per month, so it can be stored safely for extended periods. For long-term storage, keep it connected to a charger periodically or maintain a 40–60% charge level in a dry, moderate environment. The built-in 200A BMS continues to protect against over-discharging during idle periods.
Yes, high temperatures can affect all lithium batteries, though Vatrer’s BMS prevents unsafe operation. The system monitors for high-temperature short-circuit impact and automatically limits charge or discharge to maintain safe operation. To extend battery life, avoid direct sunlight exposure or sealed enclosures above 131°F.
No. The 12V 300Ah Bluetooth LiFePO4 connects directly to your smartphone via the Vatrer Battery App. It uses a secure local connection to display voltage, current, temperature, and discharge rate in real-time, no Wi-Fi or mobile signal needed. This makes it ideal for remote areas and off-grid systems.
You can safely connect up to 16 units (4 in series × 4 in parallel) to build a 51.2V 1200Ah system (61.44kWh). When expanding, ensure all batteries are at similar voltage levels before connection. This configuration supports home energy storage, large RV systems, or hybrid solar setups needing higher capacity and voltage stability.
Absolutely. The IP65 waterproof rating ensures protection against rain, splashes, and dust. It’s suitable for marine, coastal, and high-humidity climates. However, submersion is not recommended, mount the battery in a well-ventilated area protected from direct water exposure.
Virtually none. Unlike lead-acid batteries, there’s no need to add water or clean acid corrosion. Routine checks on connections and app monitoring are sufficient. The Vatrer BMS automatically manages overcharging, over-discharging, and cell balancing, ensuring long-term stability with minimal user intervention.


