$
20
Promo code
Verified
We recommend
Valid 6 Days
Applied 9 time
+1
20
%
Special offer
Valid week
Applied 6 time
20
%
Special offer
Valid week
Applied 6 time
25
%
Special offer
Valid week
Applied 6 time
50
%
Special offer
Valid week
Applied 6 time
16
%
Special offer
Valid week
Applied 6 time
23
%
Applied 25 time
Sign up to receive week deals
Expired, but try! The codes might work
$
100
Promo code
The Special Offer is expired
Applied 19 time
$
400
Promo code
The Special Offer is expired
Applied 9 time
$
100
Promo code
The Special Offer is expired
Applied 17 time
50
%
Special offer
The Special Offer is expired
Applied 27 time
When is the best time to buy at Calpha?
The number of promo codes by month
0
2
4
6
8
10
Jan
1
Feb
1
Mar
1
Apr
1
May
3
Jun
3
Jul
6
Aug
3
Sep
6
Oct
2
Nov
1
Dec
1
How to use a coupon code on Calpha?
-
Select the Calpha promo code
Push “Show Coupon” or “Get the Deal” to go like lightening for the chosen Calpha promo code.
-
Go to calpha.com
Follow calpha.com to feel what off-grid independence feels like.
-
Choose the needed products
Fill the shopping cart with solar charger inverters, batteries, panels, and more off-grid solar energy supplies.
-
Shopping cart
Approach the northeast boundary of the page. Click on the shopping cart icon. Skim through the amassed solar power plant staples and hit “View Cart”.
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Checkout
Carry out the last check of your order in the shopping cart and press “Checkout”.
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Apply promo code
Put the saved promo code in the “Discount code” box and press “Apply”.
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Enjoy shopping
Don’t forget to apply for a 2-5-year extended warranty to use your solar power solutions with peace of mind.