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Versatile Power for Every Need
The B300K is your ultimate energy companion, providing seamless power whether you're securing your home during outages or embarking on an off-grid adventure. Its modular design allows you to stack multiple B300K batteries or combine them with B300 and B300S models for a tailored energy solution. Stay powered up wherever life takes you, with confidence and ease.
*Requires P150D to P090D cable for connection with AC500.
Flexible Compatibility for Expanding Power
Unlock limitless possibilities with the B300K, which integrates effortlessly with AC200L, AC200MAX, AC300, and AC500* power stations. Whether you're scaling up your home power system or prepping for outdoor adventures, this battery adapts to your growing energy needs.
*P090D to P150D cable sold separately for AC500 connections.
Engineered for Safety and Durability
The B300K is built to last, featuring square LiFePO₄ batteries, advanced AI-BMS technology, and a sturdy aluminum casing. Combined with cutting-edge wireless components and a high-efficiency cooling fan, this battery ensures long-term reliability and peace of mind in any scenario.
Rapid Charging, Anytime
Paired with the AC300 or AC500, the B300K charges to 80% in just 45 minutes, so you can focus on what matters most without delays. Whether you're at home or on the move, quick power is always at your fingertips.
A Power Hub with Standalone Performance
More than just an accessory, the B300K serves as a reliable power hub with a built-in USB-A port for charging devices like smartphones, tablets, or fans. Whether you're making an urgent call, sharing memories, or staying cool in your tent, the B300K ensures you're always connected and powered up wherever your journey leads.
Model | B300K |
Battery Capacity |
2,764.8Wh (51.2V, 54Ah)
|
Battery Type |
LiFePO₄ (Lithium Iron Phosphate)
|
Life Cycles | 4,000+ (80%) |
USB-A Port |
12W Max., 5V / 2.4A
|
Capacity | 2,764.8Wh |
Weight | 29.5kg (65.04lbs) |
Dimensions (L × W × H) |
52.5 × 32.7 × 20.9cm (20.67 × 12.87 × 8.23in)
|
Charging Temperature |
0°C to 40°C (32°F to 104°F)
|
Discharging Temperature |
-20°C to 40°C (-4°F to 104°F)
|
Storage Temperature |
Up to 1 month: -20°C to 40°C (-4°F to 104°F), Up to 6 months: -20°C to 25°C (-4°F to 77°F)
|
Working Humidity | 5% to 95%RH |
Charging Current |
60A Max. (Current may decrease outside specified temperatures)
|
Discharging Current | 70A Max. |
2 × Expansion Port |
58.4VDC Max., 90A Max.
|
Warranty | 3+1 Years |
Compatibility |
AC200L, AC200MAX, AC300, AC500
|
Upon completing your order, you will promptly receive an email confirming the order placement, indicating that we have received your order and pre-authorized your credit card for the purchase. Our next step is to contact our suppliers to confirm the item's availability and readiness for shipment. Should the item be on backorder or unavailable, we will notify you of the estimated lead time. If the provided lead time is unsatisfactory, we will cancel the pre-authorization and contact you via email or phone. If the item can be shipped within 5 business days, we will proceed with processing the charges and shipping your order.
In the event of incorrect shipping information provided at checkout, we will make every effort to track down the item using our shipping partners. Please be aware that refunds and returns are not available in such cases. However, we will do our utmost to locate the item. If successful, re-shipping fees of up to 20% of the item's value may apply.
If your order is in stock and we have successfully processed your credit card charges, the items will be shipped within five business days from the order date. You will receive tracking information via email within 24 hours of your order leaving the distribution center. Should tracking information not be received within six days of your order, please contact us at +1 (307) 317-7213. Cut off time is 4 pm EST.
We offer free shipping on all orders and applicable items and brands within the mainland of US (Hawaii and Alaska are exclusions).
Eco Solar Kits does not ship orders directly to Hawaii or Alaska. Clients needing delivery to these locations must arrange a freight forwarder and enter the forwarder’s address as the shipping address. Eco Solar Kits will then ship the order to the designated freight forwarder under our standard shipping terms.
Typically, orders are processed immediately upon receipt, taking approximately 1-4 business days after order confirmation, payment, and pick-up time to fulfill.
The delivery time via freight carrier may vary between 4-6 business days, depending on your location.
We offer convenient courier delivery right to your door.
Delivery Services We Use:
To prevent delays, frustration, and additional costs, kindly inform us of any concerns regarding the delivery to your location. It's important to note that the following situations may incur additional costs:
You can reach us using the contact methods provided below:
At D&D Eco Power Goods LLC, we strive to ensure our customers are completely satisfied with their purchases. Our return and refund policies are designed to provide a fair and transparent process based on the delivery date of your item.
You have 30 days from the delivery date to initiate a return. To be eligible for a return, the item must meet the following conditions:
Items that do not meet these conditions will not be accepted for return.
To begin the return process, please follow these steps:
We prioritize customer satisfaction and aim to provide a seamless refund experience. This refund policy is based on the delivery date of your item to ensure fairness in the return process.
Refunds will be processed based on the delivery date of the product. Once the manufacturer receives and inspects your returned item, we will notify you regarding the approval or rejection of your refund. If approved, the refund will be processed through your original payment method, typically within 10 days. Please note that it may take some time for your bank or credit card company to process and post the refund.
For any questions or concerns regarding our return or refund policy, please do not hesitate to contact us: