




🔥 Superior Performance : With over 15,000 deep cycles and a 10-year lifespan, this battery offers superior longevity. It supports 100% Depth of Discharge (DOD) and full State of Charge (SOC), ensuring reliable and consistent power for long-term use.
🔥 Extended Lifespan :With over 15,000 deep cycles and a 10-year lifespan, this battery offers superior longevity. It supports 100% Depth of Discharge (DOD) and full State of Charge (SOC), ensuring reliable and consistent power for long-term use.
🔥 Smart Protection System & Low-Temperature Safety : Equipped with a 100A Battery Management System (BMS), it offers protection against overcharge, over-discharge, overcurrent, overheating, and short circuits. The Low-Temperature Charging Protection (LTCP) ensures safe operation even in cold weather conditions.
🔥 Safety & Eco-Friendly : CE, ROHS, and FCC certified, this battery is built with top-tier safety standards, free from harmful metals and fire/explosion risks. It provides a safe, non-toxic, and eco-friendly solution for both indoor and outdoor energy storage.
🔥 Efficient Energy Utilization : Supports 4S4P expansion, enabling users to scale up energy storage to meet higher power demands. This makes it perfect for large systems like off-grid solar power, RVs, homes, and marine energy storage.
🔥 Versatile Applications : Ideal for a wide range of applications, including large solar systems, RVs, off-grid homes, marine boats, camping, and battery backup systems. Delivers consistent, dependable energy in various settings.
🔥 5-Year After-Sales Support :Comes with a 5-year warranty, providing peace of mind with reliable customer support. OKMO ensures long-term performance and customer satisfaction for all your energy storage needs.
🔥 Eco-Friendly Materials & Design : Made from non-toxic, environmentally friendly materials, this battery is a sustainable energy solution for users who prioritize eco-conscious living. It combines high performance with a commitment to sustainability.
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Thank you for your interest in the products and services of OKMO. By acquiring the products of OKMO, you have purchased high quality.
We grant the following warranties for our products. We provide a warranty for the poor performance of products when used correctly following the product manual instructions.
Five-year warranty for both new & like-new battery products >30Ah Three-year warranty for both new & like-new batteries ≤30Ah, and soalr charge controllers Two-year warranty for battery chargers The warranty is in effect from the date of purchase by the user (the “Purchaser”).
Please read the product manual carefully before installing and using the product, and use the battery correctly under the instructions in the manual.
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
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All orders are processed within 1-2 business days. Notice that orders are not shipped or delivered on weekends or holidays.
If we are experiencing a high volume of orders, shipments may be delayed by a few days. Please allow additional days in transit for delivery. If there will be a significant delay in the shipment of your order, we will contact you via email.
Shipment to P.O. boxes or APO/FPO addresses OKMO ships to addresses within the U.S. And we don't ship to P.O. Box and APO/FPO/DPO addresses.
Shipment Confirmation & Order Tracking You will receive a Shipment Confirmation email once your order has shipped containing your tracking number(s). The tracking number will be active within 24 hours.
Most OKMO packages are shipped via UPS or FedEx. You could contact FedEx: 1(800) 463-3339 or UPS Domestic: 1-888-742-5877 for further shipping information. The estimated delivery time is 3-7 business days.
OKMO 12V 300Ah LiFePO4 Lithium Battery Specialized for RV Home Power Solutions
Adapted to a variety of mobile power supply scenarios, providing mobile charging for RVs, home power storage, and yachts with high power and long-lasting range.
12V 300Ah Lithium Battery with Grade-A Cells: Powered by four A-grade LiFePO4 cells, offers higher energy density and unmatched power. The OKMO 12V 300Ah LiFePO4 battery features an integrated Battery Management System that ensures safety, protects against overcharge, over-discharge, and short circuits

10-Year Lifespan Up to 15,000 Cycles: The 12V 300Ah LiFePO4 battery has an 10-year lifespan, with 4000+ cycles at100% DOD, 6000 cycles at 80% DOD, 15000 cycles at 60% DOD.Lead-acid/SLA/AGM batteries typically only last for 3 years with 200-500 cycles, it can perfectly replace lead-acid batteries, provides reliable and sustainable energy storage solutions for long-term use
Low-Temperature Protection: Designed for versatility, operates efficiently in various climates, low-temperature protection ensures consistent operation in colder environments, ideal for outdoor and off-grid applications
Lightweight & Easy Installation: 300Ah Lithium LiFePO4 Battery is lighter than Lead-Acid battery with the same capacity. Our 300Ah LiFePO4 battery weight is 63.9 lbs, only 1/3 of Lead-Acid battery
5 Year After-sales Customer Service: OKMO provides a 5-year warranty! We offer professional technical support and online customer service with rapid response within 24 hours. Note: The OKMO 300Ah LiFePO4 battery is perfect for RV, Boat, Trolling Motor, Fish Finders, Ice Fishing, Camping, Solar System, and Home Alarm Systems
| Cell Type: | LiFePO4 | |
| Nominal Voltage: | 12.8V | |
| Rated Capacity: | 400Ah | |
| Energy: | 5120Wh | |
| Warranty: | 3-year warranty, plus 2-year extended with registration | |
| Cycle Life: | 4000 cycles at 100% DOD,6000 cycles at 80% DOD,15,000 cycles at 60% DOD | |
| Battery Management System (BMS)Board: | 150A | |
| Charge Method: | CC/CV | |
| Charge Voltage: | 14.4±0.2V | |
| Standard Discharge Current: | 100A | Recommended Charge Current: | 40A | Discharge Cut-off Voltage: | 8.8V | Over-discharge Recovery Voltage: | 10.8V | Max.Continuous Charge Current: | 75A | Max.Continuous Discharge Current: | 150A | Max.Continuous Output Power: | 1920W | Weight: | 85.98 lbs | Dimension: | 523(L) x 269(W) x 218(H) mm,20.59(L) x 10.59(W) x 8.58(H) in | Housing Material: | ABS (Flame Retardant Plastic) | Protection Class: | IP65 | Recommended Terminal Torque: | 106.2 to 123.9 inch·lbs/, 12 to 14 N·m | Temperature Range: | Charge:0℃~45℃,Discharge:-20℃~60℃,Storage:-10℃~45℃ | PLTCP Function: | Yes | Max. Expansion (Parallel & Series): | 4S4P |
| Charge /Bulk /Boost Voltage: | 14.4V | |
| Absorption Voltage: | 14.4V | |
| Over Voltage Disconnect: | 14.6V | |
| Over Voltage Reconnect: | 13.6V | |
| Tail Current: | 8A |
| Under Voltage Warning: | / | |
| Under Voltage Recover: | 10.8V | |
| Low Voltage Disconnect: | 8.8V | |
| Low Voltage Reconnect: | 10.8V |
| Battery System: | 24V((25.6V) 1600Ah | |
| Energy: | 40960Wh | |
| Max.Continous Charge / Discharge Current: | 150A | |
| Max.Continous Load Power: | / |
We accept Purchase orders from various distributors, contractors, schools, universities, government institutions, and others.
To make a purchase order, please send the purchase order to us via e-mail at support@okmotech.com and we will have your order processed within 24 hours. We accept multiple terms of payment including credit cards, checks, PayPal, & government cards.
For more questions regarding purchase orders, feel free to email our sales department at : support@okmotech.com
1. Inspect the battery for any physical damage during shipping.
2. Ensure the battery is at a safe voltage level for first use (if necessary, charge it to an optimal level).
3. Download the OKMO Bluetooth App to monitor the battery.
4.Connect the battery to your system (solar, off-grid, etc.) or device following manufacturer guidelines.
5. Start using the battery, ensuring it's placed in a well-ventilated area.
Group 24 batteries are generally smaller (approximately 10.25 x 6.75 x 8.75 inches) and are used in applications like RVs, marine, and some solar systems.
Group 31 batteries are larger (approximately 12.2 x 6.8 x 8.8 inches) and provide more power capacity, making them ideal for larger setups like buses, boats, and larger solar systems.
Functionality-wise, Group 31 batteries tend to have a higher capacity, meaning they can store more energy and provide longer runtimes.
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