- Visit the page for GOOLOO 2 Amp 12V Smart Battery Charger and Maintainer https://amzn.to/3pvKT2S
- Clip the 20% coupon on the page
- Add to your cart and continue to checkout
- At checkout apply promotion code 8RM5I8RD
- Your total will be $29.99 - $6 coupon - $8.10 promotion code = $15.89 with free shipping