| 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 |
12V400Ah Lithium Battery for Trailer, Camper, Boat, and RV
The 12V lithium-ion battery pack serves three major applications:
First Application: Boasting a large capacity, this battery supplies electric power to trailers, camper vans, motor homes, boats, and more.
Second Application: These batteries are ideal for replacing traditional lead-acid batteries in various electric vehicles, including electric tricycles, low-speed cars/trucks, golf carts, sanitation trucks, sweepers, scrubbers, and armgates.
Third Application: Efficiently store electrical energy generated by solar panels or windmills.
High Energy Density and Light Weight: Compared to lead-acid batteries, the 12V lithium batteries are more compact and support deeper discharging, allowing them to store more energy within a smaller, lighter frame. This translates to extended power supply for trailers, campers, boats, and other electric vehicles.
Long Cycle Life: Lithium batteries offer impressive longevity, enduring over 4000 charge/discharge cycles with minimal performance loss. This reliability is crucial for trailers, campers, RVs, and boats that require consistent and prolonged use.
Fast Charging Capability: Lithium batteries support rapid charging, making them perfect for quickly replenishing power in trailers and boats while docked, enhancing overall efficiency and reducing downtime.
Intelligent Management System: Equipped with advanced battery management systems, these batteries monitor status, optimize charging/discharging processes, and offer remote monitoring and management. This ensures safety, extends battery life, and boosts performance.
High Adaptability: Their lightweight and compact design allow these 12V batteries to flexibly replace most lead-acid batteries with ease.
We offer a range of energy storage battery packs with capacities from 12V50Ah to 12V500Ah. These batteries can also be used in parallel and series configurations for versatile applications. 
| 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 the pioneers in crafting bespoke battery packs for a myriad of electric sanitation vehicles. Our extensive expertise and profound understanding of the application requirements ensure unparalleled performance. Transitioning from traditional lead-acid batteries to our innovative lithium-ion batteries offers transformative advantages: working hours and battery lifespan are nearly doubled, charging time is significantly reduced, and the era of tedious battery maintenance is over.
Jiangsu Surelithium New Energy Technology Co., Ltd. Jiangsu Surelithium New Energy Technology Co., Ltd. is a trailblazing enterprise at the forefront of the new energy sector. Our dedication lies in the meticulous research, production, and distribution of top-tier lithium-ion batteries and related advancements. As an industry luminary, we fervently champion the widespread adoption of clean energy, with our unwavering commitment to sustainable development and environmental preservation.
Our superior batteries power nations across the globe, including the USA, Canada, Mexico, Brazil, Germany, Japan, Hong Kong, Vietnam, Turkey, France, Poland, Indonesia, and more.
Our company boasts a highly skilled and passionate R&D team, rich in expertise and innovative prowess in battery technology and materials science. Through relentless innovation, we consistently unveil high-performance, safe, and reliable lithium-ion battery solutions tailored for diverse applications such as electric vehicles, energy storage systems, consumer electronics, and industrial equipment.
As a conscientious enterprise, we prioritize product excellence and environmental stewardship. Adhering strictly to international standards, we employ cutting-edge production methodologies and rigorous quality controls to ensure our products exceed the highest quality benchmarks. Concurrently, we advocate for sustainable growth by utilizing eco-friendly materials and processes, significantly reducing our environmental footprint.
Our long-standing partnerships with clients are built on customized solutions and exceptional after-sales support. We have not only earned a stellar reputation domestically but have also aggressively expanded into international markets. Collaborating with global partners, we are jointly driving the advancement of clean energy technologies.
Jiangsu Surelithium New Energy Technology Co., Ltd. is devoted to becoming a vanguard in the new energy realm, delivering dependable energy solutions worldwide through technological innovation and superior quality. We warmly invite partners and customers to join us in forging a cleaner, brighter energy future.
What is the regular lead time after I place my order?
We are a factory specializing in made-to-order products. Typically, sample orders require about 15-20 days, while batch orders take approximately 25-30 days, based on varying quantities and capacities. If necessary, we can further expedite the lead time for you.
What are your trade terms and payment terms?
We accept most standard trade terms, including EXW, FOB, CIF, DDU, and others.
Usually, we require a minimum 30% advance payment to initiate your order, with the remaining 70% due after acceptance of the finished products but before delivery. Additionally, we accept irrevocable Letters of Credit (L/C) at sight.
What kind of shipping methods do you provide?
Since lithium-ion batteries are classified as Class 9 Dangerous Goods, we strongly recommend shipping them via sea freight.
Do you provide a warranty, and if so, for how long?
Yes, we generally offer a three-year warranty on all battery packs. Buyers can request an extended warranty period before placing orders. Please inquire about the 'Terms and Conditions Of the Warranty' before finalizing your order.
What are the application fields of your battery packs?
Our Li-ion battery packs are versatile, catering to various application fields such as: Electric Vehicles (4-wheel and 3-wheel trucks, sweepers, cars, forklifts, golf carts, sightseeing buses, monorails, ATVs, UTVs, tricycles, motorcycles, toy cars, etc.), Solar Energy Storage, Electric Equipment (floor scrubbers, lifting platforms, small excavators, tractors, pallet stackers, grass cutters, small cranes, garbage tanks, arm gates, etc.), 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 tailored to different applications.
Can your batteries be used in series?
Most of our batteries are not for separate use, but we do 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 have a thermal management system?
Yes, most of our batteries include a thermal management system controlled by the BMS (Battery Management System). This system prevents usage if the temperature is too high or low. Please inquire in advance for specific details.
Do you provide OEM or ODM services?
Yes, we do.
How many years will your battery last?
Our Lithium Iron Phosphate (LiFePO4) batteries can be cycled between 2000 to 5000 times. With daily cycling at 80% Depth of Discharge (DoD), you can expect 5 to 10 years of reliable use from our batteries.
How do I install your batteries?
All our batteries come with complimentary ring terminals, allowing easy connection to your inverter, cart, or busbar system.
Can I leave your batteries outside?
No, our batteries are not marine-rated or weatherproof. Exposure to sun or rain can damage them, and such damage is not covered under our warranty.
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