$10 Off Car/Truck Batteries. CDP10391 Limit 1. Expires 5-27-21. Offer valid on in-stock products at participating Batteries Plus locations and online. Not valid with other offers or business pricing. Some exclusions may apply. No cash value. Coupon may not be reproduced. To receive discount, offer must be presented at time of in store purchase or promo code entered at batteriesplus.com. See store for complete details.