ROCKSOLAR 12V 200Ah Deep Cycle LiFePO4 Battery with BMS System
ROCKSOLAR 12V 200Ah Deep Cycle LiFePO4 Battery with BMS System
- Ultra-Long Life: Boasts of 3500+ service cycles, significantly outdoing traditional batteries.
- High Capacity: Deep cycle 200Ah for extended and reliable power.
- Streamlined Design: Optimally weighed for both performance and portability.
- Steady Power Supply: Utilizes flat voltage curve technology for consistent energy output.
- Superior BMS: Integrated system provides temperature, over-discharge, over-charge, and short circuit safeguards.
- Resilient Performance: Operates efficiently between -20°C to 60°C, suited for rigorous conditions.
- Optimized Charging: Safely charges between 0°C to 45°C, with automatic cut-off outside this range.
- Enhanced Safety: Incorporates cell balancing and over-current protective measures.
- Global Compliance: Adheres to UN38, IEC62133, and ISO 9001:2015 standards.
- 11-Year Warranty: Reflects its robust construction and lasting reliability.
- Multipurpose Usage: Perfect for marine applications, solar systems, RVs, and other large power needs.

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- Description
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- Specifications
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Introducing the ROCKSOLAR 12V 200Ah Deep Cycle LiFePO4 Battery, a pinnacle of reliability, longevity, and performance. Designed for those who dare to venture off-grid, experience the wonders of marine voyages, or simply desire a dependable power reserve. Harness the advantage of our superior LiFePO4 technology, ensuring a battery life that spans across a decade and beyond, all encapsulated within a sleek, lightweight design.
Product Features
- High-Capacity Powerhouse: With an impressive 200Ah capacity, the ROCKSOLAR battery ensures you're powered up, no matter the situation.
- State-of-the-Art BMS System: The in-built BMS system provides robust protection against temperature variances, short circuits, over-discharge, over-current, and overcharging, ensuring peak battery performance.
- Durable & Long-Lasting: With a staggering 3500+ cycle life, this battery is not just an immediate solution but a decade-long investment.
- Sleek & Lightweight: Tipping the scales at a mere 55 lbs, this high-capacity battery boasts easy installation and adaptability across various applications.
- Multi-faceted Use: Perfect for RVs, boats, off-grid setups, solar/wind energy setups, and more. Its versatility allows for series connections, making 24V, 36V, or 48V systems a breeze.
- Resilient Operating Temperature Range: Crafted for diverse settings, its BMS system supports a temperature range from -20°C to 60°C.
Experience the ROCKSOLAR Difference
ROCKSOLAR's 12V 200Ah battery is meticulously engineered with premium LiFePO4 cells, promising over 3,500 recharge cycles. This roughly translates to a 10-year lifespan even with daily use. Experience top-tier performance even in the harshest conditions, down to minus 20 degrees Celsius. Dive into a world where power meets lightweight agility, all at a fraction of the size of traditional lead-acid batteries.
Suitable for:
- Electric Vehicles
- Marine Ventures & Sailboat Batteries
- Home & Solar Energy Storage
- DIY Powerwalls
- Emergency Backup Systems
- RVs & Travel Adventures
- Golf Carts & Neighborhood Electric Vehicles (NEV)
- Remote Off-grid Energy Reserves
- 1x ROCKSOLAR 12V 200Ah Battery: The high-capacity LiFePO4 battery designed for longevity and performance.
- 1x Battery Manual: Detailed instructions on usage, installation, and maintenance for optimal performance.
- 1x Charging Cable: Durable and efficient cable for easy and fast charging.
- 1x User Manual: All the information you need for operation and safety.
Technical Specifications
Specification | Details |
---|---|
Nominal capacity | 200Ah |
Mix. capacity | 195Ah |
Nominal energy | 2560Wh |
Combination structure of battery | 4S |
Nominal voltage | 12.8V |
End of discharge voltage | 10.8V |
Standard charge voltage | 14.6±0.2V |
Float charge voltage | 13.8V |
Standard charge current | 40A |
Recommended charge current | ≤100A |
Allowed Max. charge current | 100A |
Standard discharge current | 40A |
Recommended discharge current | ≤100A |
Allowed Max. discharge current | 100A |
Peak discharge current | 200A,10Sec |
Internal Resistance | ≤20mΩ |
Weight | 55 Lb. (Approx. 25kg) |
Ex-factory capacity | Approx.50% SOC |
Operation temperature | Discharge: -20°C~60°C; Charge: 0°C~45°C |
Storage environment |
≤1Month:-20~+60°C、5~75%RH; ≤6Month: -10~+45°C、5~75%RH; Recommend environment: 15~+35°C、5~75%RH |
Engineered for longevity, the ROCKSOLAR 12V 200Ah battery is designed to deliver over 3500+ charge cycles. With daily usage, it can power your needs for over 10 years!
Absolutely! The ROCKSOLAR 12V 200Ah battery is perfect for marine applications. It can easily power your boat or pontoon, with the BMS system offering robust protection against harsh environmental conditions.
The ROCKSOLAR 12V 200Ah battery packs a punch at 200Ah while being conveniently lightweight. It weighs just 55 lbs or 24.95 kilograms, making it an ideal high-capacity, easy-to-handle power solution.
LiFePO4 batteries offer several advantages over traditional lead-acid batteries. They are more efficient, have a longer lifespan, can discharge deeper, and are more environmentally friendly.
Absolutely! The ROCKSOLAR 12V 200Ah battery is perfect for solar power systems. Its high capacity and durability make it an ideal choice for storing energy from solar panels.
You can charge the ROCKSOLAR 12V 200Ah battery using a compatible battery charger. Make sure to follow the instructions provided in the manual to ensure proper charging and maintain battery health.
Yes, the ROCKSOLAR 12V 200Ah battery is safe to use indoors. It features a built-in Battery Management System that protects against overcharging, over-discharging, over-current, and short-circuits.
Yes, the ROCKSOLAR 12V 200Ah battery is perfect for powering RVs and boats. Its high capacity and long lifespan make it an excellent choice for these applications.
LiFePO4 batteries like the ROCKSOLAR 12V 200Ah battery require minimal maintenance. It is essential to ensure the battery is not over-discharged and is charged properly. It is also recommended to store the battery in a cool, dry place when not in use.







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