Ionic Lithium LiFePO4 12V 20A Charger

It’s a 12V smart charger for Ionic 12V lithium batteries — a good match for mid-to-large batteries like the 12V 50Ah and 150Ah — and it also works with 12V lead-acid batteries. It can charge an individual 12V battery or multiple 12V batteries wired in parallel.

At 20A it roughly doubles the charging speed of the 10A model, so it’s a good middle option between the 10A and the high-output 30A — owners report fast top-ups on mid-size batteries. It uses a constant-current/constant-voltage (CCCV) profile and stops at 14.6V when full.

No — it’s a smart charger that automatically stops once the battery reaches a full 14.6V. As an added safety measure it also times out after 72 hours of continuous charging (shown by blinking red LEDs); to restart, simply disconnect and reconnect the power cable.

In many cases yes — because it’s a lithium-aware smart charger, it can wake and charge a battery that an older charger reads as “full” and won’t charge.

It’s a single-output charger designed for one 12V battery, or for 12V batteries joined as one parallel bank — it isn’t a multi-bank charger that charges two independent batteries simultaneously. If you need to charge separate batteries at once (for example, two batteries powering a 24V trolling system), a multi-bank charger like the 3-, 4-, or 5-bank is the better fit.