| Battery Model |
SL1250 |
SL12100 |
SL12150 |
SL12200 |
| Nominal Voltage/V |
12.8V |
| Nominal Capacity/Ah |
50Ah |
100Ah |
150Ah |
200Ah |
| Rated Energy/Wh |
640Wh |
1280Wh |
1920Wh |
2560Wh |
| BMS Function |
Overcharge,overdischarge,over current and temperature protection |
| Charge Cut-off Voltage/V |
14.4V |
| Discharge Cut-off Voltage/V |
10.8V |
| Standard Charge Current/A |
50A |
| Casing Material |
ABS |
| Dimensions/mm |
229*138*208mm |
328*172*230mm |
483*170*240mm |
522*240*218m m |
| Weight/kg |
7kg |
12kg |
17kg |
22kg |
| charging temperature |
0ºC to 55ºC(32F to 131F)@60±25%Relative Humidity |
| discharge temperature |
-20ºC to 60ºC(-4F to 140F)@60±25%Relative Humidity |
| Storage Temperature |
-20ºC to 45ºC(-4F to 113F)@60±25%Relative Humidity |
| Communication Protocol |
Customized |
| Cycle Life |
5000 times |
| Warranty |
5 years |
Introducing the 12V400Ah Lithium Battery for Trailers, Campers, Boats, and RVs - a powerhouse of reliability and longevity.
Our versatile 12V lithium ion battery pack caters to three primary applications:
1. High-Capacity Power Supply: Engineered for trailers, camper vans, motor homes, boats, and more, our battery ensures ample electric power for all your adventures on the road or water.
2. Lead Acid Replacement: Perfect for electric tricycles, low-speed electric cars/trucks, golf carts, sanitation trucks, sweepers, scrubbers, and armgates, our lithium battery is a superior alternative, providing enhanced performance and longevity.
3. Renewable Energy Storage: Ideal for storing electricity generated from solar panels or windmills, ensuring a sustainable and efficient energy solution.
Benefits of High Energy Density and Light Weight: Compared to traditional lead acid batteries, our 12V lithium batteries are significantly more compact and lighter. They offer deeper discharging capabilities, allowing them to store more electrical energy in a smaller volume. This means extended power supply time and range for trailers, campers, boats, and other electric vehicles.
Remarkable Long Cycle Life: Our lithium batteries boast a robust cycle life, enduring over 4000 charge and discharge cycles with minimal performance degradation. Perfect for long-term use in trailers, campers, RVs, and boats, they ensure reliability through frequent use.
Superior Fast Charging Capability: Experience the convenience of fast charging with our lithium batteries, perfect for quickly recharging trailers and boats while docked. This reduces downtime and enhances the efficiency of your vehicle usage.
Advanced Intelligent Management System: Equipped with a state-of-the-art battery management system, our lithium batteries offer real-time monitoring, optimize the charging and discharging processes, and enable remote management. This maximizes safety, extends battery life, and boosts overall system performance.
High Adaptability: With their lightweight and compact design, our 12V batteries can seamlessly replace most lead acid batteries, providing flexible solutions for various applications.
Diverse Range of Capacities: We manufacture energy storage battery packs in a wide range of capacities: 12V50Ah, 12V80Ah, 12V100Ah, 12V150Ah, 12V200Ah, 12V300Ah, 12V400Ah, and 12V500Ah. These batteries can be used in parallel and series configurations to suit your specific needs. 
| Norminal Voltage and Capacity |
12.8V400A |
| Voltage Range(Low and High) |
10.4V~14.6V |
| Max Charging Current |
0.3C |
| Max Discharging Current |
3C(30S) |
| Communication Mode |
485 CAN |
| Cell Type |
LiFePO4 Prismatic cell |
| Cell Arrangement |
2P4S |
| Battery Pack Size |
450*370*250 and others |
| Material and Coating of Battery Case |
Plastic |
| Smart Interlink |
IoT GPS (Optional) |
Since 2015, we have been at the forefront of manufacturing customized battery packs for diverse electric sanitation vehicles. Our extensive experience and deep understanding of this specialized application allow us to deliver unmatched performance. By transitioning from traditional lead-acid batteries to our state-of-the-art lithium-ion batteries, you can nearly double your working hours and battery lifespan while cutting charging times in half. Enjoy the added convenience of maintenance-free operation with Jiangsu Surelithium New Energy Technology Co., Ltd. and our Long Lasting 12V400ah Lithium Battery for Trailer.
Jiangsu Surelithium New Energy Technology Co., Ltd. is a trailblazing enterprise at the forefront of the new energy sector. Our dedication lies in the research, development, production, and sales of premium lithium-ion batteries and associated products. As a vanguard in the industry, we strive to advance the adoption and proliferation of clean energy, with an unwavering focus on sustainable development and environmental stewardship.
We proudly export our superior batteries to a multitude of countries, including the USA, Canada, Mexico, Brazil, Germany, Japan, Hong Kong, Vietnam, Turkey, France, Poland, and Indonesia.
Our company boasts an elite and passionate R&D team that possesses exceptional expertise and innovative prowess in battery technology and materials science. Through relentless research and development, we consistently deliver high-performance, ultra-safe, and highly reliable lithium-ion battery products tailored to the diverse needs of electric vehicles, energy storage systems, consumer electronics, and industrial equipment.
As a conscientious enterprise, we place paramount importance on product quality and environmental conservation. We rigorously comply with international standards, employing advanced production processes and stringent quality control measures to ensure our products achieve the utmost quality benchmarks. Concurrently, we are dedicated to fostering sustainable development by utilizing eco-friendly materials and production methods, thereby mitigating environmental impact.
We have forged enduring partnerships with our clients, offering bespoke solutions and exceptional after-sales service. Our sterling reputation extends beyond the domestic market as we actively venture into the international arena, collaborating with global partners to collectively propel clean energy technology forward.
Jiangsu Surelithium New Energy Technology Co., Ltd. aspires to be a preeminent leader in the new energy domain, delivering dependable energy solutions to customers worldwide through technological innovation and unmatched quality. We warmly invite partners and customers to join us in crafting a sustainable energy future together.
What is the typical lead time after placing an order?
As a make-to-order factory, we typically require 15-20 days for sample orders. For batch orders, the lead time is around 25-30 days, varying with order quantities and capacities. We can expedite this process if needed.
What are your trade and payment terms?
We accommodate most standard trade terms, including EXW, FOB, CIF, and DDU.
We generally require a 30% advance payment to initiate your order, with the remaining 70% due upon your acceptance of the finished products and prior to delivery. We also accept irrevocable L/C at sight.
What shipping methods do you offer?
Given that lithium-ion batteries are classified as Class 9 Dangerous Goods, we highly recommend shipping by sea freight.
Do you offer a warranty? If yes, for how long?
Yes, we provide a three-year warranty for all battery packs. Buyers can request a longer warranty period before placing orders. For more details, please refer to our "Terms and Conditions of the Warranty."
What applications are your battery packs suitable for?
Our Li-ion battery packs are used in various applications, including electric vehicles (trucks, sweepers, cars, forklifts, golf carts, sight-seeing buses, monorails, ATVs, UTVs, tricycles, motorcycles, toy cars), solar energy storage, electric equipment (floor scrubbers, lifting platforms, small excavators, tractors, pallet stackers, grass cutters, small cranes, garbage tanks, arm gates), outdoor portable power supplies, construction equipment power supplies, streetlight power packs, boat power packs, camper power packs, and more.
As a customization-oriented Li-ion battery manufacturer, we welcome customizations for various applications.
Can your batteries be used in series?
Most of our batteries should not be used separately. However, we offer small 12V battery modules that can be used in series or parallel, ideal for replacing old lead-acid batteries. Please inquire in advance.
Do your batteries feature a thermal management system?
Yes, most of our batteries include a thermal management system controlled by the BMS. This system prevents battery usage when temperatures are too high or too low. Please inquire in advance.
Do you offer OEM or ODM services?
Yes, we do.
What is the lifespan of your batteries?
Our Lithium Iron Phosphate (LifePO4) batteries can be cycled 2000 to 5000 times. With daily cycling at an 80% Depth of Discharge (DoD), you can expect 5-10 years of use.
How should I install your batteries?
All our batteries come with free ring terminals for easy connection to your inverter, cart, or busbar system.
Can your batteries be left outdoors?
No, our batteries are not marine-rated or weatherproof. Exposure to sun or rain can damage them, which is not covered under warranty.
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