Redodo 12V 20A LiFePO4 Battery Charger — 14.6V Fast CC/CV Charging, Aluminum Case

Redodo 12V 20A lithium battery charger is a purpose-built 14.6V fast charger designed to charge 12.8V LiFePO4 batteries quickly and safely using a CC/CV algorithm.

Engineered for users who need reliable, rapid charging for 12V LiFePO4 battery banks, this single-channel unit delivers up to 20A and a 14.6V finish voltage specifically matched to LiFePO4 chemistry. Its aluminum enclosure, approved CE and RoHS certifications, and multiple built-in safety protections make it a strong choice for RVs, solar systems, marine use, workshop batteries, and off-grid applications. The charger can revive deeply discharged cells and includes straightforward LED indicators to show charge status.

How fast will Redodo charge my 12V LiFePO4 battery?

The 20A output and 14.6V top voltage let this charger refill capacity much faster than standard 10A models. For example, a 100Ah LiFePO4 battery can reach about 50% state-of-charge in roughly 2.5 hours under ideal conditions.

• Max output: 20 amps for quicker bulk charging.
• 14.6V finish voltage matched for LiFePO4 batteries (12.8V nominal).
• Two-stage CC/CV algorithm for efficient charge throughput.
• Approx. 50% charge of 100Ah battery in ~2.5 hours.

Is this charger safe for LiFePO4 chemistry and deep‑discharged cells?

Yes — the unit is designed specifically for LiFePO4 cells and supports charging from very low voltages, including reactivation of deeply discharged batteries. It implements protections that reduce risk during charging and transitions automatically between constant current and constant voltage stages.

• Reverse polarity protection prevents damage from incorrect connections.
• Short-circuit and overvoltage protections safeguard both charger and battery.
• Battery isolation feature prevents unwanted electrical feedback.
• CE & RoHS certified for compliance with common safety standards.

How do I use and monitor the charger during operation?

The charger is straightforward to use: connect the clamps or ring terminals to the battery, plug the unit into AC mains, and watch the LED indicators for status. Two status LEDs provide an at-a-glance update so you can tell when the charger is in bulk charge or has reached the final CV/cutoff stage.

• Simple hook-up: clamps or terminal eyelets to battery posts.
• LED indicators show charging and full-charge states.
• Full automatic CC → CV → cutoff charging cycle.
• Aluminum case disperses heat for reliable operation.

What installations and applications suit this Redodo charger?

This charger works well wherever 12.8V LiFePO4 batteries are used and fast, dependable charging is needed. Compact and robust, it fits fixed installations as well as portable setups for vehicles, boats, or backup power bank maintenance.

• RV house batteries and camper power systems.
• Marine battery banks and trolling motor battery maintenance.
• Solar battery banks and off-grid energy storage charging.
• Workshop or garage battery charging and reconditioning.

Who is this for: The Redodo 12V 20A charger is aimed at homeowners, RV and boat owners, solar installers, and DIYers who need a fast, LiFePO4-specific charger that supports recovery of low-voltage batteries and offers robust safety protections. If you want a purpose-matched 14.6V charging profile, faster fill times than 10A chargers, and simple indicator feedback backed by CE/RoHS compliance and responsive customer support, this model is a practical choice.