RIDGID introduces the new 18V Lithium-Ion 1.5 Ah Battery. This Lithium-Ion 1.5 Ah Battery is 10% more compact and 10% lighter compared to the previous model (R840085). Best of all, this Lithium-Ion 1.5 Ah Battery is 100% compatible with all RIDGID 18V tools and chargers, and with registration, this Lithium-Ion 1.5 Ah Battery is backed by the Industry's Only Lifetime Service Agreement, simply register within 90 days of purchase for FREE Parts, FREE Service, For LIFE. The 18V Lithium-Ion 1.5 Ah Battery includes an operator's manual. Charger sold separately.