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BLUETTI Apex 300 · Modular Home Battery Backup
The Apex 300 starts as a 2,764.8Wh, 3,840W power station — enough to run a fridge, routers, and essential circuits through an outage — and scales into a full home backup system as needs grow, up to 58kWh and 11.52kW with add-on batteries. It switches to battery power in 0ms, runs 120V and 240V loads at the same time, and is backed by a 5-year manufacturer's warranty.
Rated for 3,840W continuous with up to 7,680W of lifting power for motor starts and other brief surges.
Runs both voltages simultaneously — even while charging — instead of forcing a choice between one or the other.
Switches to battery power fast enough to keep CPAPs, routers, and other sensitive electronics running without a blip.
Connect up to 3 units and 18 expansion batteries on the same platform — start small, grow into whole-home backup.
EV-grade LiFePO₄ cells rated for an estimated 17-year lifespan at 80% capacity retention.
Passes through enough power for HVAC systems, EV chargers, and other heavy household loads.
The BLUETTI app monitors status remotely, sends early extreme-weather alerts, and preps the system automatically.
Military-grade durability testing on top of UL, CE, FCC, and RoHS safety certification.
The Apex 300 on its own is a capable 3,840W power station — but the platform is designed to expand rather than be replaced. Add B300K or B500K expansion batteries for more storage, connect additional Apex 300 units in parallel for more output, and pair with a SolarX 4K controller for solar charging or a Hub D1 for extra USB and DC ports. The system scales from a single-unit backup to a full home setup covering 58kWh and 11.52kW without switching to a different product line.
Efficiency is built into the base unit itself: a magnetic-core transformer and five-stage efficiency system (BLUETTI calls it EnerBalance AI) keep idle power loss to around 20W, roughly 2–3× lower than typical for this class. Charging is flexible too — AC wall power, a car/alternator connection, a generator at up to 11.5kW, or solar through the SolarX 4K accessory — so the battery isn't tied to one recharge method.
| Battery capacity | 2,764.8 Wh |
| Chemistry | LiFePO₄ (EV-grade) |
| Continuous output | 3,840 W |
| Lifting (surge) power | 7,680 W |
| Output voltage | 120V + 240V simultaneous |
| AC outputs | 6 × 120V ports |
| AC wall charging | Included cable |
| Car/alternator charging | Included XT60 cable |
| Generator input | Up to 11.5 kW (120V/240V) |
| Solar input (with SolarX 4K)* | Up to 19.2 kW |
| UPS switchover | 0ms (up to 20ms by mode) |
| Cycle life | 6,000+ @ 80% retention |
| Estimated lifespan | ~17 years |
| Idle power loss | ~20 W |
| Bypass capacity | 12 kW |
| Durability testing | MIL-STD-810G |
| Weight | 83.78 lbs |
| Dimensions (L×W×H) | 20.67 × 12.87 × 12.6 in |
| Storage temperature | -4°F to 104°F |
| Water resistance | Not rated — keep dry |
| Warranty | 5 years |
*BLUETTI's own marketing shows two different figures for SolarX 4K solar input — 19.2kW in one place, 30kW in another, on the same page. Used the more conservative number; worth confirming current spec before publishing. Certifications: UL, CE, FCC, RoHS.
No. It should be kept dry during use — it's not rated for direct rain or water exposure.
Up to 58kWh of storage and 11.52kW of output by connecting 2–3 Apex 300 units with up to 18 expansion batteries total — scaling from a single-unit backup to a full home system on the same platform.
Not on its own — the Apex 300 doesn't have a built-in solar charge controller. Solar charging requires the separate SolarX 4K accessory.
Several ways: AC wall power (cable included), a car or alternator connection (XT60 cable included, with Charger 1 or Charger 2 available for faster alternator charging), a generator at up to 11.5kW, or solar through the SolarX 4K accessory.
Yes — expansion batteries (B300K, B500K), the SolarX 4K solar controller, Hub D1 for extra ports, and Hub A1 or an AT1 panel for parallel connections and home panel integration.
5 years, covering defects in materials, workmanship, and performance.
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. The cut off time is 4 pm EST.
We offer free shipping on all orders and applicable items and brands within the mainland of the US (Hawaii, Alaska, and Overseas Territories are exclusions).
Eco Solar Kits does not ship orders directly to Hawaii, Alaska, or Overseas Territories. 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.
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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.
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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 returned 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.
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