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.

It is just a 12v SLA, you can use about 15VDC 1 - 2A to charge them. ( dont leave it on charge all the time ) I use a car battery charger to charge mine, I just clip across the jumper clips and away ...