A small LiFePO4 battery is perfect for lights, fish finders, scooters, and small solar projects, especially when you can top it up with the sun.
I received the XZNY 12V 18Ah Lithium Battery and used it to power an LED flood light, then recharged it with a trickle solar panel charger.
In this 12V 18Ah LiFePO4 battery review, I’ll cover the specs, my voltage readings, the LED light test, and solar recharging, the pros and cons, and who it’s for.
Products Used in My XZNY 12V 18Ah Video
👉 XZNY 12V 18Ah LiFePO4 Battery
For business inquiries and collaborations: luisangel@aemind.com
Affiliate Disclosure: I was sent this product by the manufacturer to review. If you purchase an item through the links provided, I may receive a commission, at no additional cost to you. Thank you for supporting the channel.
What Is the XZNY 12V 18Ah LiFePO4 Battery?
The XZNY 12V 18Ah Battery is a compact LiFePO4 battery with EV-grade cells, a built-in 20A BMS, and about 230Wh of capacity.
Key Features
- 12V 18Ah, about 230Wh
- 4000+ cycles, 95% capacity after 2000 cycles, per XZNY
- Built-in 20A BMS for overcharge, over-discharge, overcurrent, short circuit, and high temp
- 20A continuous / 50A peak, 256W max
- About 4 lbs
- Parallel and up to 4 in series (48V)
- 3-year warranty
First Look
It’s a compact battery, and even at about 4 lbs, it packs a punch.
Voltage Check
Before my test, it read 13.31 volts on my meter.
LED Flood Light Test
I connected an LED flood light to the battery and ran it for a while.
Solar Recharging
Afterward, I connected the trickle solar panel charger to the battery. Even after running the flood light, the reading went up to 13.34 volts, so the solar panel was topping it back up.
Things to Consider Before Buying
- Capacity: 18Ah is for small loads like lights and electronics, not big appliances.
- Charging: Use a charger or solar controller rated for LiFePO4.
XZNY Battery Pros and Cons
Pros
- Compact and light
- Long cycle life
- Built-in BMS protection
- Works with solar trickle charging
- Expandable in parallel or series
Cons
- Small capacity for big loads
- Needs a LiFePO4-compatible charger
Who Is It For?
The XZNY 12V 18Ah Battery is great for fish finders, scooters, lighting, ham radios, and small solar setups.
Frequently Asked Questions
How heavy is it?
About 4 lbs.
How many cycles does it last?
4000+ cycles, according to XZNY.
Can I charge it with solar?
Yes. I used a trickle solar panel charger.
Can I connect more than one?
Yes, in parallel or up to 4 in series.
Final Verdict
The XZNY 12V 18Ah LiFePO4 Battery powered my LED flood light and took a solar top-up with no fuss. I recommend it.
Watch My XZNY 12V 18Ah Review
In my video, I test the XZNY battery with an LED light and the trickle solar charger. You can watch the full video on my YouTube channel, Ryzzun Reviews:
▶ XZNY Battery Review – 12V 18Ah Test | High-Performance LiFePO4 for Off-Grid Power
👉 XZNY 12V 18Ah LiFePO4 Battery
For business inquiries and collaborations: luisangel@aemind.com
I was sent this product by the manufacturer to review. If you purchase an item through the links provided, I may receive a commission. Thank you for supporting the channel.