2. Customers’ modification to carts and/or the addition of non-Howard components without Howard’s written prior approval voids the cart warranty. c. The SLA battery performance warranty will be extended to six (6) months if certain conditions are met as outlined below. 3. The warranty for consumable parts is covered for six (6) months from date of delivery. Consumables include, but are not limited to, Fuses and Light Bulbs. 4. Sealed Lead Acid (SLA) Battery Warranty 1 of 3