This system comes with two batteries and a charger so your camera will always be on and working.
Put any compatibility issues aside, with the TadiBrothers promise you have our 30 day guarantee to return the item for an exchange or a full refund. All our backup cameras, Monitors, and Car DVD Players purchased from TadiBrothers are always compatible with each other. So feel free to mix and match to create your own ultimate vehicular system. (Ask us about our 4-8 backup cameras split screen options for security, buses, or RVs)