12V 20A & 40A DC to DC Charger On-Board MPPT Battery Charger

ECO-WORTHY 20A & 40A DC to DC charger has unique charging options. This multi-stage, multi-input battery charger can charge home batteries by connecting to the starter battery of a car alternator or by connecting a solar panel directly to the unit. Provides proper charging for AGM/GEL, Lead acid, Lithium and Calcium batteries.

20A DC to DC Charger

Type: Multi Stage	Input: DC battery: 12.4-16.0V; Solar input: 16-25V
Output / Charging Voltage: 14.4-15.4V	Output Current: DC Output: 20A; Solar Output: 20A
Minimum Start Voltage: 2.0V-For Battery Being Charged	Soft Start: Yes
Soft Charge Current: 20A

40A DC to DC Charger

Type: Multi Stage	Input: DC battery: 12.4-16.0V; Solar input: 16-25V
Output / Charging Voltage: 14.4-15.4V	Output Current: DC Output: 40A; Solar Output: 40A
Minimum Start Voltage: 2.0V-For Battery Being Charged	Soft Start: Yes
Soft Charge Current: 40A

We hope you have enjoyed your online shopping experience with ECO-WORTHY. Please read below for more information about our shipping and return policies.

SHIPPING

We offer a free shipping service for most of mainland U.S.
You will receive a confirmation e-mail after placing an order and another e-mail after your order has been shipped. The second one will contain the tracking information and some instructions on how to track your parcel.
ORDER PROCESSING
Procession time can take between 1-3 business days.
The time it takes to prepare your item(s) to ship from our warehouse. This includes preparing your items, performing quality checks, and packing for shipment.
SHIPPING TIME
All items sold at ECO-WORTHY are guaranteed to be delivered in 30 days. 
If you have not received your item(s) beyond this time, you are eligible for a full refund after we have conducted a postal investigation.

Shipping from	Shipping to	Shipping time	tracking information
U.S. warehourse	USA	3-5 business days	tracked

Freight: Larger Panels Kits must be shipped by freight, the shipping time is 5-14 business days.
Note: The shipping times mentioned above refer to the estimated times of business days that the shipment will take after an order has been shipped. Business days do not include Saturday/Sunday and any public holidays. These estimates are based on normal circumstances and are not a guarantee of delivery times. We are not responsible for the failures or delays in delivery resulting from any force majeure event, such as natural disaster, bad weather, war, and any other event beyond our direct control, such as public holidays and customs issues.
Full refunds are not available under the following circumstances:
1. Delays caused by the buyer providing incorrect or incomplete delivery information;
2. Delays in delivery caused by any force majeure incidents, such as natural disasters, bad weather, and war;
3. Any un-insured order that is lost or stolen;
4. Delays in delivery caused by any other beyond ECO-WORHTY's control, such as public holidays and Customs issues.
HI, AK, PR & US Territories:
Free shipping is not available for customers in Hawaii (HI), Alaska (AK), Puerto Rico (PR) or any US Territory. Please contact us for a shipping quote on your order.
　

GUARANTEES & RETURN POLICY

14 Days DOA Product Guarantee
If one or more of the items you received are damaged, different, or not working, you will be protected by this Guarantee. Please contact us for Return Material Authorization within 14 days of the order being received. In the event of a replacement, ECO-WORTHY will arrange for return shipment of the defective unit, and once the part has been received and inspected, we will ship out the replacement part within 3 working days. To qualify under our Defective on Arrival policy, goods must be returned in their original packaging. Goods returned without original packaging will not be accepted.
30 Days No Reason Return
Standard in stock merchandise purchased through ECO-WORTHY may be returned within 30 days of the receipt of the product. You will receive a refund or credit towards your account, provided the merchandise is returned in the original packaging in new and resalable condition with the original blank warranty cards, manuals, and all accessories. ECO-WORTHY will pay the shipping costs of the returned item(s) for the following reasons: carrier damage, defective product, product inconsistent with advertisements, incorrect product received, or for any extra products you did not order. For all other reasons, customers are responsible for the return shipping fees. ECO-WORTHY requires at minimum 1-2 working days to inspect a returned item prior to issuing a refund or credit. 
Please note that ECO-WORTHY will not accept returns with product modifications as it voids our warranty policy. Any modified products received will be returned to you at your expense.
Please be prepared with your invoice or the following information:
Order number
Proof of purchase
Video or photo of the faulty product (if applicable)
Mailing address
Contact telephone number
Please carefully follow our warranty process to minimize any delays:
1. Describe the problem with your item in detail: What happened? When? How? Please also state your full order number and product code (SKU number).
2. Tell us what steps you have already taken to resolve the issue.
3. Provide the item code indicated on the outer packaging.
4. Send a clear photo or video showing the defect(s); these should be taken under good lighting.