The Projecta 30A 12V DC-DC charger delivers reliable, efficient charging for auxiliary batteries in 4x4s, campers, caravans and commercial vehicles. Designed to work with modern smart alternators, it supplies up to 30 amps of regulated 12V output to maintain and recharge second batteries while on the move. The unit uses multi stage charging for optimal battery health and offers selectable charge profiles so it can be configured for lead acid, AGM, gel, calcium and lithium chemistries. A compact robust housing and thermal management system ensure consistent performance in demanding conditions.

• Output: 30 amps at 12 volts
• Input voltage range: 9 to 32 volts compatible with varied alternator systems
• Multi stage charging: bulk, absorption and float stages with selectable battery profiles
• Battery compatibility: Lead acid, AGM, Gel, Calcium and Lithium options
• High efficiency design for minimal energy loss
• Protections: over temperature, overload, short circuit and reverse polarity
• Easy installation with LED status indicators and included mounting hardware

Ideal for dual battery setups where dependable charging and battery longevity matter, this DC-DC charger provides smart, protected power delivery to auxiliary batteries while driving. Check the Parts Checker to confirm fitment and compatibility with your vehicle electrical system before purchase.