This $139 battery charger is now on sale at Walmart for only $23. ... Plus, it works with AGM, EFB, MF, flooded, VRLA, calcium, SLA, and wet batteries.

This battery charger can be used on both 12V and 24V batteries found in cars, trucks, motorcycles, RVs, ... Plus, it works with AGM, EFB, MF, flooded, VRLA, calcium, SLA, and wet batteries.

For a great budget-friendly pick, check out the Beikalone 12V Sealed Lead Acid (SLA) Battery Charger. What to Consider When Buying a Trickle Charger.