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Home » Power Queen 100Ah Smart Lithium Battery Tested & Reviewed
Disclaimer: Power Queen sent this product to us for a review. That does not affect our opinion about the product, in this article we list both what we like and dislike. Read more about this here.
Another lithium battery has arrived at my doorstep – the Power Queen 12V 100Ah lithium battery.
It''s yet another affordable 100Ah LiFePO4 (lithium iron phosphate) battery suitable for different applications.
Personally I use these type of batteries to make my own power stations, but it also makes a great upgrade for RV campers.
You do need to make sure the converter charger in your RV supports lithium. If it does it''s a drop-in replacement.
Is it just like every other 100Ah Lithium batteries?
In a lot of ways, yes. What makes this battery different from the others is the button between the terminals.
I''ll explain how it works down below, so let''s get right to the specifications.
Table of Contents show The Smart Power Queen 100Ah Battery Has One Feature Most Other Batteries Don''t Power Queen 12V 100Ah Smart LiFePO4 Battery – Specifications Battery Cells Ratings – Ampere hours (amp hours) and watt-hours Safety features with built-in BMS Cycle life Expandability Design and what''s included Size and weight Review And Test Results What I Like What I Don''t Like Frequently Asked Questions Is it a drop-in replacement for my RV battery? What inverter do you recommend? How do I charge the battery? How do I charge it with solar panels?
Power queen uses lithium iron phosphate (LiFePO4) cells in most of its batteries.
To test the battery voltage with a multimeter, you can put the positive and negative probe on the corresponding terminal.
Power Queen recommends waiting 30 minutes after disconnecting all connections to the battery, before checking the voltage.
The recommended charging/discharging temperatures are as follows:
Charging: 32°F to 131°F (0°C to 55°C)
Discharging: -4°F to 140°F (-20°C to 60°C)
Storage: 14°F to 122°F (-10°C to 50°C)
I strongly recommend following these temperatures as much as you can to not risk damaging the cells permanently.
The max continuous charge and discharge current is 100Ah, so you can technically pull the full 1280W and drain the battery within an hour.
The SOC (state of charge) can be can be roughly estimated by the resting voltage, the numbers below are from the manual.
BMS is short for Battery Monitoring System.
The BMS is there to protect and prevent overcharging, over-discharging, overcurrent, and short circuits.
One feature I haven''t seen on any other lithium battery, related to the BMS, is the button on top between the terminals.
Pushing the button twice within five seconds will override the low temperature cutoff, and force the battery to recharge even in low temperatures.
I don''t recommend doing this unless you know what you''re doing. Charging lithium batteries in freezing temperatures can cause permanent damage to the cells.
After 5000 complete discharge cycles or after 12 years, the button might start blinking orange. Power Queen recommends replacing the battery at this point, but it''s not necessary.
You can still charge and discharge the battery as normal.
The battery supports both parallel and series connections.
You can theoretically connect up to 16 identical batteries together for a 4P4S setup. This means that there are four pairs of parallel and four pairs of series.
It''s important that you use wiring and terminals that can handle the total voltage and amperage of the combined batteries.
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