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 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 for cell only purchases
  • NOTE: Hazmat Fee only applies on raw cells & not kits or pre-builts.


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

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

Summer Coupon: 

  • Coupon code: summer
  • $45.00 off on orders over $900.00
  • Cells are excluded from this promotion
  • Can be used once per account/shipping address


Sun Fun Kits reserves the right to exclude items (such as priced matched products and or loose cells) 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.