HQST RV Core Components Kit (400W | 3.84kWh)

SKU: HKIT-RV-3KWH-400W-N-US
🎖️

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Use code HQSTMD at checkout · Valid May 12–31

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$1,029.99 $1,459.99
29% Off

Key Features
  • Just $0.098 per kWh—Half the Price of Grid Power: 3.84kWh LiFePO₄ battery storage delivers 10,368kWh total lifetime output over 3,000 cycles. Pay once, power for years.
  • 3.84kWh LiFePO₄ Battery Bank: One HQST 12.8V 300Ah battery with true capacity, compact mini size, and 200A smart BMS. Expandable up to 30.72kWh—start small, scale as your needs grow.
  • 3000W Pure Sine Wave Inverter: 6000W peak handles AC, microwave, fridge, and sensitive electronics with ease. Includes wired remote and LCD display for effortless control.
  • 400W Bifacial Solar — More Energy, Less Space: Two HQST 200W Cpompact N-Type bifacial panels deliver up to 25.4% efficiency +30% rear-side gain. IP68 waterproof, 2400Pa wind & 5400Pa snow load rating. Low -0.29%/℃ temp coefficient. 13% smaller & 13.3% lighter. All-black design. 30-year warranty.
  • The Ultimate Core Power Foundation: This essential kit provides the heavy-hitting components paired for optimal synergy. It acts as the reliable heart of your off-grid system, giving you the freedom to customize cables and hardware for a truly custom RV, cabin, or home backup build.
Quantity:
Payment Methods
Delivery Methods
Estimated delivery time: 2–5 business daysShipping Policy.
Return & refund policy

Shipping, Returns & Refunds Policy

Shipping

  • Free standard ground shipping on orders $49.99+ (before tax).
  • Orders below $99.99 are charged a $10 flat shipping fee.
  • Free shipping applies within the contiguous United States only.
  • Oversized, heavy, or restricted items may be excluded (noted on product page).
  • Orders are processed within 1–3 business days (excluding weekends and holidays).
  • Estimated delivery time is 2–7 business days after shipment.
  • Orders may ship in multiple packages, each with its own tracking number.
  • A valid street address is required; some items cannot be delivered to PO Boxes.
  • Shipments cannot be rerouted once shipped.
  • Shipping to Alaska and Hawaii is available with surcharges.
  • International shipping availability varies by location; customers are responsible for customs clearance and duties.

Order Cancellation

  • Orders can be canceled within 4 hours of placement, before shipping begins.
  • Once shipped, cancellation or interception cannot be guaranteed.

Returns

  • Return requests must be submitted within 30 days of delivery.
  • Items must be unused, undamaged, unmodified, and returned in original packaging.
  • A Return Merchandise Authorization (RMA) is required before returning any item.
  • Modified products are not eligible for return.

Return Shipping Costs

  • HQST covers return shipping only if the product was damaged during shipping, defective, or an incorrect item was delivered.
  • For all other reasons, return shipping costs are the customer’s responsibility.

Refunds

  • Refunds are issued within 7–10 business days after inspection.
  • Refunds are processed to the original payment method.
  • Damage caused by improper installation or handling is not eligible for refund.

Replacements

  • Shipping or manufacturing damage must be reported within 30 days, with supporting photos.
  • Replacement items ship via standard shipping only and cannot be expedited.
  • Replacements can only be shipped to the original country of purchase.

Third-Party Purchases

  • Orders placed through third-party sellers are subject to the seller’s return policy.
  • HQST provides warranty replacements only for eligible third-party purchases.

Contact

For shipping, returns, refunds, or replacements, contact:
sales@myhqsolar.com

30-Day Returns & Refunds

Return & Refund Policy

Refund policy

  •  Thank you for shopping with HQST.
  •  Our goal is 100 percent customer satisfaction. But in the event something isn’t quite right, we've made the return process super easy.

Order Cancellation

Customers can cancel transactions any time before HQST begins the shipping process. The shipping process typically begins within 4 hours of placement of the order, so you can cancel the order yourself within 4 hours of placing it. If unable to cancel an order before shipping, please refuse the package if you know the tracking information, you can also contact the HQST Customer Service team for help (please note we cannot guarantee that an order can be successfully cancelled or a package intercepted if it has already been shipped).

Customers can make returns in accordance with HQST’s Return Policy.

HQST 30-Day Return Policy

For returns of products purchased online at hqsolarpower.com customers need to contact HQST customer service within 30 days of receiving the item to initiate the return process. To be eligible for return, items must be in the original packaging unused, undamaged, unmodified, and have a return authorization number provided by HQST. Proof of purchase must be provided by the customer to begin the return process.

Original packing: it should be the original container or covering which is used to package the product, including all accessories, attachments as well as manual, etc.

Return authorization number: customer needs to first contact HQST customer support team for getting the RMA number before returning the order.

Note: Upon receiving your package, we kindly advise keeping the original packaging handy for any potential future needs.

Shipping Costs of Return

Shipping costs for product returns will be paid by HQST under the following conditions:

  •  Product was damaged during shipping or warehouse handling
  •  Product defects
  •  Incorrect product was delivered

The customer is responsible for any return shipping costs when product is returned under any other conditions. Costs vary by shipping location.

HQST does NOT accept returns of items that have been modified in any way. Any modifications will render the HQST warranty null and void. Any modified products returned to HQST will be shipped back to the customer at the customer’s expense.

For approved returns, HQST will provide a prepaid return shipping label.

For returns due to customers' subjective reasons (such as no longer needing to change plans, etc.), within the allowed return window, the shipping cost for returns should NOT be borne by HQST.

Unauthorized returns may result in processing delays, additional fees, or other complications.

To ensure a smooth return process and protect your interests, please request a Return Merchandise Authorization (RMA) before returning any item.

Refunds

For returns related to customer preference (not related to defects, shipping damage, or incorrect items), the return shipping cost will not be covered by HQST. After receiving the returned item, HQST will issue a refund within 7 ~ 10 business days. HQST will notify the customer by email once the refund has been processed. The refund will be processed through your original payment method. It may take some time before your refund is posted on your bank account or credit card statement. If you haven't received a refund within this period, please first check your credit card transaction or bank account again. If the refund isn’t received after 7-10 business days, please contact the HQST Customer Support Team. All returned items will be inspected to ensure they meet HQST’s return policy.

If damage results due to improper handling during the setup or installation, whether it is done professionally or by the customer, the product is no longer eligible for replacement or refund.

If your payment card uses a currency other than USD, the refunded amount may differ from your original order amount due to exchange rate fluctuations. This difference is determined solely by your card issuer and is beyond HQST's control.

To fully resolve this issue, we need your cooperation with the troubleshooting steps. If we are unable to proceed, our refund will be limited to 50% of this product.

Product Return Process

To request authorization for return, contact HQST customer service. Once customers have contacted HQST they will be asked to provide the reason for the return, and a receipt or proof of purchase.

The HQST Customer Service Team will determine whether the purchase is eligible for return. After confirming the order is eligible, HQST will issue a Return Material Authorization (RMA) number and a prepaid return shipping label. The customer must clearly mark the RMA number on the package and include the dated proof of purchase with the product.

For returns made within the 30-day right of withdraw period and returns requested after 30 days of receipt that are unrelated to product defects (such as no longer needing to change plans, etc.), within 14 days after getting RMA, customers should ship out the product to HQST.

For products being returned due to quality issues, which are beyond 30 days’ return period but within warranty period, HQST will provide instructions on how to properly package the product to return it safely. Do not ship the product before receiving the proper shipping safety instructions.

Note: Do not return any items without the RMA confirmation from the HQST Customer Support Team. For returns without RMA confirmation, the refund or replacement will not be processed, and the items will be returned to the sender.

The warehouse does not accept personal drop-offs. Unauthorized returns without prior approval may lead to processing delays, additional charges, or other complications. To protect your rights, please follow the standard return procedure.

Replacement

Damage issue: Within 30 days of placing an order, please provide photos of the damaged product, the packaging, and the shipping label. Once the issue is confirmed by HQST Customer Service, HQST will prioritize a replacement. For assistance, please contact our customer service team or email us at sales@myhqsolar.com. If damage results due to improper handling during the setup or installation, whether it is done professionally or by the customer, the product is no longer eligible for replacement.

Quality Issue: If you encounter a product defect within the warranty period, please email the following information to our support team at sales@myhqsolar.com:

  •  Multimeter readings (if applicable)
  •  Your invoice, or the following details: Order number, Proof of purchase
  •  Clear photos of: the damaged or defective product, the product’s outer packaging

 (including overall condition and any damage), the shipping label (showing sender/recipient details and tracking number)

  •  Mailing address
  •  Contact telephone number

Once reviewed and confirmed by the HQST customer service team, HQST will prioritize your replacement request.

Please note that replacement products can only be sent to the original order's country of purchase, as cross-border reshipping is not currently available.

This policy applies only to HQST products purchased through hqsolarpower.com.

FOR THIRD-PARTY PURCHASE

Thank you for purchasing HQST product from one of our approved third-party vendors. Returns and refunds for purchases made through these third-parties (Walmart, Home Depot, Best Buy, Amazon LLC, etc.) must be handled through the vendor's return policy. HQST cannot assist in third-party returns and refunds. HQST can only offer replacements for products still within the warranty period.

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Description
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DIY
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Reviews

HQST 300Ah Lithium Power Kit


Tired of worrying about power on your caravan adventures? This HQST 300Ah Power Kit is your all-in-one solution for true energy independence. Engineered for the outdoors, it delivers reliable power to run your fridge, lights, TV, and high-demand appliances for days on end. Stop relying on crowded caravan parks or noisy generators. This complete system features a space-saving 300Ah battery with 3.84kWh capacity, a powerful 3000W pure sine wave inverter, 400W of bifacial solar panels, and a smart 100A MPPT controller—all designed to work together seamlessly. Get the confidence to explore further and stay off-grid longer.

HQST 12V 300Ah LiFePO4 Battery

True 3840Wh Capacity : Delivering the exact power you paid for—no false 3200Wh claims.
Compact Mini Size : Measuring 15.04 × 9.84 × 7.60 in — 32% smaller than a standard 12V 300Ah LFP battery. Only 57.3 lbs, up to 70% lighter than three 12V 100Ah lead-acid batteries.
Extended Runtime : Powers a 120W device for 32 hours (vs. 26 hours from competitors).

HQST 3000W Pure Sine Wave Inverter

Clean Power: Pure sine wave output (THD < 3.5%) safely powers sensitive electronics.
Strong Surge: 6000W peak handles appliance startups; 3000W continuous output.
GFCI Protected: Built-in GFCI reduces shock risk; multiple protections for safe operation.

HQST 200W 16BB N-Type Solar Panel

True N-Type cells, 25% efficiency, 30-year lifespan.
Bifacial tech, up to 30% extra power output.
Grade A+ 16BB cells, EL-tested, no microcracks.

HQST 100A MPPT Solar Charge Controller

Smart APP Control: Built-in Bluetooth with "ChargePro 2.0" app for real-time monitoring & 300-day data.
Low-Temp Protection: Prevents LiFePO4 charging below 32°F; wakes dormant batteries.
High-Efficiency MPPT: 99% tracking, 98.7% conversion. Supports 12V-48V systems.

Component Key Specification Why Your Caravan Needs It
12.8V 300Ah LiFePO4 Battery 300Ah, 3.84kWh, 200A BMS, 4000+ Cycles, EV-Grade A+ Cells The Heart of Your System. Massive 3.84kWh capacity runs your fridge, lights, and appliances for days. Compact design—57% smaller than 3×100Ah batteries. Advanced BMS with low/high-temp protection. 10-year lifespan, 70% lighter than SLA.
3000W 12V Pure Sine Wave Inverter with 6000W Surge (5s max) and Wired Remote Control 3000W Continuous, 6000W Surge (5s max), THD <2.87%, 94% Efficiency, Soft Start, GFCI, Wired Remote Your 120V Power Outlet on Wheels – Upgraded. This inverter safely starts high-inductive appliances like air conditioners, freezers, compressors, and power tools thanks to 6000W surge (5s max) and soft start technology that reduces inrush current. Delivers ultra-clean grid-like power (<2.87% THD at half load) for quieter, more efficient operation. Up to 94% efficiency maximizes battery runtime. The wired remote controller plus integrated display lets you monitor battery status, inverter performance, and load conditions in real time. Built-in GFCI and full safety protections give you complete peace of mind.
200W N-Type Bifacial Compact Solar Panel (x2) 400W Total, 25.4% Efficiency, N-Type Cells, Bifacial, IP68, 13% Smaller, 13.3% Lighter Your Free Fuel Source – Compact & Powerful. Each panel is 13% smaller and 13.3% lighter than standard 200W PERC panels – perfect for tight RV roofs. Bifacial technology captures sunlight from both sides for up to 30% more energy (260W max). Next-gen N-type cells deliver 25.4% efficiency (vs. 23% from PERC) – more power even on cloudy or hot days. One panel replaces two 100W units, saving mounts and labor. At only $0.60/W, it's far below market average. Grade A+ 16BB cells, 100% EL-tested, IP68 waterproof, and retains 87.4% output after 30 years.
100A MPPT Charge Controller 100A, 12V-48V Auto, 99% Tracking Efficiency, Bluetooth Your Smart Charging Hub. Maximizes solar harvest with 99% tracking efficiency and 98.7% conversion—30% higher than PWM. Low-temp cut-off protects LiFePO4 below 32°F. Bluetooth monitoring via app with 300-day data log. Parallel charge capable.

Show Your Solar Setup, Light Up More Lives

Share your real HQST power setup on social media, inspire others to go clean energy, and get a chance to win a portable solar panel for FREE. [See official rules]

Package includes

  • HQST 12V 300Ah LiFePO4 Battery *1

  • HQST 3000W 12V Pure Sine Wave Inverter *1

  • HQST Bifacial 200W N-Type 16BB Monocrystalline Solar Panel *2

  • HQST 100A MPPT Solar Charge Controller *1

Need Specific RV Kit Components?

Add more items to unlock discount for each product!

Bulk Purchase
HQST 200W N-Type Solar Panel | 13% Smaller, 14.5% Lighter | Ships June 20
HQST 200W N-Type Solar Panel | 13% Smaller, 14.5% Lighter | Ships June 20

13% Smaller & 14.5% Lighter

Up to 25.4% efficiency

$235.99
HQST Bifacial 200W N-Type 16BB Monocrystalline Solar Panel with All-Black Design
HQST Bifacial 200W N-Type 16BB Monocrystalline Solar Panel with All-Black Design

Bificial Design

Up to 224W Power

$129.99
HQST 3000W Pure Sine Wave Inverter 12V | 6000W Surge, GFCI & Remote
HQST 3000W Pure Sine Wave Inverter 12V | 6000W Surge, GFCI & Remote

6000W Surge Capacity (5s max) & <2.87% THD

0.86A No-Load Current Draw & Built-in GFCI

$249.99
2000W 12V Pure Sine Wave Inverter with 4000W Surge (5s max) and Wired Remote Control
2000W 12V Pure Sine Wave Inverter with 4000W Surge (5s max) and Wired Remote Control

4000W peak surge (5s)

AC hardwire terminal

$179.99
HQST 1500W Pure Sine Wave Inverter 12V to 120V with 3000W Surge & GFCI Protection
HQST 1500W Pure Sine Wave Inverter 12V to 120V with 3000W Surge & GFCI Protection

3000W peak surge (5s)

6.72W low standby draw

$159.99
HQST 60A MPPT Solar Charge Controller with Smart APP Control, LiFePO4 Battery Low Temp Protection, and Parallel Charging
HQST 60A MPPT Solar Charge Controller with Smart APP Control, LiFePO4 Battery Low Temp Protection, and Parallel Charging

Up to 99% MPPT Tracking Efficiency

Bluetooth + Real‑Time Monitoring

$149.99
HQST 12V 300Ah LiFePO4 Battery - Mini Size & True 3840Wh
HQST 12V 300Ah LiFePO4 Battery - Mini Size & True 3840Wh

Mini Size

True 3840Wh

$374.99
HQST 100A MPPT Solar Charge Controller with Smart APP Control, LiFePO4 Battery Low Temp Protection, and Parallel Charging
HQST 100A MPPT Solar Charge Controller with Smart APP Control, LiFePO4 Battery Low Temp Protection, and Parallel Charging

Low-Temp Cut-Off Protection for LiFePO4

Bluetooth APP Control & LCD Display

$179.98
HQST 80A MPPT Solar Charge Controller with Smart APP Control, LiFePO4 Battery Low Temp Protection, and Parallel Charging
HQST 80A MPPT Solar Charge Controller with Smart APP Control, LiFePO4 Battery Low Temp Protection, and Parallel Charging

Bluetooth APP Control & LCD Display

Low-Temp Cut-Off Protection for LiFePO4

$179.99
Solar Panel Mounting Z Brackets
Solar Panel Mounting Z Brackets

include 2 xZ Brackets

Out-of-the-Box Ready

$29.99
Solar  Branch Connectors MMF+FFM Pair
Solar Branch Connectors MMF+FFM Pair

1 Pair

IP67 Waterproof

$19.99
HQST Solar Panel to Charge Controller Adaptor Kit
Solar Panel to Charge Controller Adaptor Kit

Essential for Off-grid

Weatherproof

$58.99
HQST 20A/30A ANL Fuse with transparent holder
20A/30A/40A/60A/80A/100A/200A/300A/400A ANL Fuse with transparent holder

60A ANL Fuse Set

Safeguard Your System

$18.99
Solar Connectors for Solar Panels Male & Female
Solar Connectors for Solar Panels Male & Female

One FFM & One MMF

For Permanent installations

$24.99
Solar Tray Cables - Connecting Charge Controller and Battery
Solar Tray Cables - Connecting Charge Controller and Battery

8ft 8AWG Tray Cable

RELIABLE QUALITY

$34.99
HQST Waterproof In-Line Fuse Holder w/ Fuse
Solar Connector Waterproof In-Line Fuse Holder w/ Fuse

Compatible with PV Cables

Simple Plug-and-play

$19.99
Solar Panel Extension Cable with Male to Female Solar Connectors
Solar Panel Extension Cable with Male to Female Solar Connectors

20FT 10AWG

RELIABLE QUALITY

$35.99
HQST60Ampcircuitbreaker
HQST 60A Circuit Breaker – Heavy-Duty Protection for Marine, RV & Off-Grid Power Systems

for Marine

Safety Protection

$24.99
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