5-Pack UpStart Compatible Nite Lite NL640 / UB645 Battery — 6V 4.5Ah (4500mAh) SLA AGM with F1 Terminals + 10 F1-to-F2 Adapters

Five UpStart replacement batteries compatible with Nite Lite NL640 and UB645 applications. Each battery is a 6V Universal Sealed Lead Acid (SLA/AGM) unit rated 4.5Ah (4500mAh) and equipped with F1 terminals. The package includes 10 F1 to F2 terminal adapters to fit devices that require F2 connections. Supplied under the UpStart Battery Brand as direct replacements for UB645 / NL640 installations.