This DC to DC charger with MPPT Solar from waveinverter will charge your 12v battery from either your 12v starter battery or a solar panel.
The advanced micro-processor control and hardware based protections will only draw from the starter battery when it is over 13.0V, ensuring it is kept fully charged to always start your vehicle.
It has three adjustable battery type settings for different types of lead acid batteries (Bulk/Absorption/Float) charging and also a setting for Lithium (LiFePO4) batteries (Bulk/Absorption).
Self Recoverable from Over Temperature, Under Voltage, Overload and Reverse Polarity
Max Charge Rate 20A
Starter battery/alternator range 13v to 16v
Solar panel voltage range 16v to 25v
Dimension 210 x 130 x 40 mm
Weight 1.35 kg
Your package includes:
1) 12V DC DC Charger with MPPT Solar
2) product manual
Comes with 12 month RTB Warranty
The product manual for this unit is here: https://waveinverter.co.nz/download/12v-DCDC-manual.pdf