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🔋 expertpower 12v 20a smart charger: optimized for lithium lifepo4 deep cycle rechargeable batteries logo

🔋 ExpertPower 12V 20A Smart Charger: Optimized for Lithium LiFePO4 Deep Cycle Rechargeable Batteries Review

3

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Very good

Revainrating 4 out of 5  
Rating 
4.0
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Description of 🔋 ExpertPower 12V 20A Smart Charger: Optimized for Lithium LiFePO4 Deep Cycle Rechargeable Batteries

LiFePO4: ExpertPower’s newest line of batteries – The No.1 Sealed Lead Acid Battery Seller on Amazon. Charging Specs: 14.4V | Charging Current: 20A | Cut-off Current: 1.5-2.5A | Ideal for LiFePO4 batteries 40 amp hours and above. Intelligently Programmed: Our charger is uniquely designed for 12V LiFePO4 batteries, implementing the special 2-stage constant current/constant voltage (CC/CV) charge algorithm with smart LED indicators. Additionally, the charger is designed to reset all types of BMS when active by allowing current into batteries reading from down to 0V. Efficiently Easy : The charger protects your LiFePO4 battery's delicate structure by boosting charging efficiency and maximizing lifespan through its careful utilization of the CC/CV algorithm regardless if the battery has a BMS or not. Premium Quality: The unibody aluminum alloy and cooling fan allow the charger's exterior to function as a heat sink with over-heating protection.

Reviews

Global ratings 3
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  • 4
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  • 3
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  • 1
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Type of review

I made a mistake in my purchase. It's overpriced for what it offers. I keep it to punish myself for being as clueless and mean as I was looking for a charger. So now I have an expensive, low-quality charger that only works for lithium-ion batteries, and an ultra-high-end all-weather charger that will charge anything it's plugged into for less than $55. The Victron Blue Smart Charger also tracks each step of the charging process, telling you where it is in each step and telling you when it's…

Pros
  • GOLS certified
Cons
  • Only available in black

to operate portable camping water system with SeaFlo 55 psi pump. I bought a battery charger and when I first plugged it in the battery read about 12.7 volts indicating it was about 50% charged (which is normal). The charger initially put out 4.5 amps, and over the next three hours the voltage gradually increased and the current dropped. During the last 30 minutes of the charge cycle, the charger delivered approximately 1/2 amp at 14.2 volts. The charge cycle ended and the charge indicator…

Pros
  • Quality construction
Cons
  • Requires outlet

Revainrating 4 out of 5

Charges well but never seems to fully shut down

I've run several full charge cycles on this 5A model and it works reliably, delivering just over 5A from a deeply discharged battery. then drops to 4A at about 2/3 full charge and 2.5A at 97% full charge. The current dropped to this level, which allowed the quiescent voltage to drop to the 13.6V expected of LiFePO4 at 100% charge, but my 5A model never seems to do that. Instead, once the LED turns green, it simply keeps the battery at around 14.4V indefinitely (I let it run for 5 or 6 hours)…

Pros
  • Absolute Legend
Cons
  • Great price