Sun Fun Kits  Promotions & Coupons


We have promotions that run on a monthly basis, this page shows you what is available this month. Be sure to check back to see the latest coupons & discounts we have available:


Free Heated / Insulated Battery Jacket:

  • Free Heated Battery Jacket with SFK-275HP batteries, (limit 1 per customer)
  • 50% off Insulated Battery Jacket with SFK-300HP & SFK-260EX pre-built batteries.

Free Shipping (Mainland USA, Canada, and Select Parts of Mexico):

  • Free Shipping on pre-built batteries
  • Available for single, twin, and quad packs. 
  • New Lower Hazmat Fee, Flat $15.35
  • NOTE: Hazmat Fee may still applies on lithium products.


Reduced International  Shipping (worldship coupon) on orders over $150.00 USD :

  • Up to 30-50% off international shipping
  • Auto-applied for eligible international addresses.


GOSFK Coupon: 

  • Coupon code: gosfk
  • 5% off your order, no minimums:
  • Up to a maximum of $125.00 off your order.
  • Can be used multiple times
  • Can be used sitewide on all items

MAXCASH Coupon: 

  • Coupon code: maxcash
  • 8% off your order
  • Available for check/cash payments only
  • No minimum order
  • Can be used multiple times
  • Up to a maximum of $200.00 total discount

EVE LF304 Promo: 

  • Reduced prices on all in stock LF304 cells
  • Further discounts with quantity discounts
  • Includes Free Shipping on pallet orders (Mainland USA)


Sun Fun Kits reserves the right to exclude items (such as priced matched products) from promotions or restrict the use of promotions on certain products due to availability, typographical errors, or technical problems that result in inaccurate information being displayed on the website.