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Qidianfy 12V 200Ah LiFePO4 Lithium Battery | 100A BMS

Name: Qidianfy 12V 200Ah LiFePO4 Lithium Battery | 100A BMS
Brand: Qidianfy
SKU: BA12V200D
Price: 269.00 USD
Availability: InStock

$269.00 USD $299.00

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Qidianfy Battery Factory Direct to Customer

2560Wh Capacity: Reliable power for RVs, solar systems, marine, camping, and home backup applications.
100A Smart BMS Protection: Advanced protection against overcharge, over-discharge, overheating, overcurrent, and short circuits.
EV-Grade LiFePO4 Cells: 4000+ cycles at 100% DOD and up to 10 years of service life.

Expandable to 40.96kWh: Connect up to 16 batteries (4P4S) for large-scale home and off-grid energy storage.
100A Max Charge Current: Supports up to 100A charging for faster recharge times and reduced downtime.
Low-Temperature Protection: Automatically stops charging below 32°F to protect battery performance in cold environments.
Compact Yet Powerful: Only 51.35 lbs while delivering 2560Wh of usable energy.
5-Year Warranty & Certified Safety: Backed by a 5-year warranty and certified to UL, FCC, CE, RoHS, and UN38.3 standards for dependable performance.

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TOP EV-GRADE LiFePO4 CELLS

Built with premium EV-grade LiFePO4 cells, this battery delivers exceptional safety, stability, and longevity. Rated for 4000+ cycles at 100% DOD, it provides reliable power for RVs, marine electronics, off-grid systems, and outdoor adventures.

Low-Temp Protection for Long-Term Reliability

The battery automatically stops charging below 32°F (0°C) and discharging below -4°F (-20°C), then safely resumes charging at 41°F (5°C)—helping protect the battery and extend cycle life.

Lighter, Stronger, More Durable

At only 51.35 lbs, this battery is 20% lighter than a comparable lead-acid battery while delivering 2560Wh of usable energy. With a 10-year lifespan and 4000+ cycles, it provides longer-lasting power with less weight and maintenance.

100A Smart BMS Protection

The battery integrates a self-developed 100A Smart BMS for stronger power delivery, enhanced system protection, and long-term reliability. Equipped with 20+ advanced safety protections against overcharging, over-discharging, overcurrent, short circuits, and extreme temperatures, it ensures safe and dependable performance for RV, solar, marine, and off-grid applications.

Power That Grows With You

Expand from a single battery to a powerful 4P4S energy system as your needs evolve.

Adventure without limits.

Ready when the grid isn't.

Built for bigger projects.

Why Choose Our Batteries?

Certified safety and performance, proven cost savings, 5-year warranty protection, and fast US warehouse shipping with 24/7 support.

SPECS

BATTERY

Cell Type：LiFePO4

Warranty：5 Years

Cycle Life：≥4000 Cycles at 100% DOD

Nominal Voltage：12.8V

Rated Capacity：200Ah

Energy：2560Wh

Max. Expansion：4P4S

Certifications：UN38.3, FCC, CE, RoHS, UL

Bluetooth：/

Self-Heating：/

BMS

BMS：100A

Max. Continuous Output Power：1280W

Max. Continuous Charge Current：100A

Max. Continuous Discharge Current：200A

Peak Discharge Current：240A

CHARGE

Charge Method：CC/CV

Charge Voltage：14.4V ± 0.2V

TEMPERATURE

Charge Temperature：32°F ~ 113°F / 0°C ~ 45°C

Discharge Temperature：14°F ~ 140°F / -10°C ~ 60°C

Storage Temperature：-4°F ~ 113°F / -20°C ~ 45°C

OTHERS

Product Size：L20.55*W9.45*H8.58 in / 52.20*24.00*21.79 cm

Approx. Weight：51.35 lbs / 23.29 kg

Terminals：M8 Brass

Housing Material：ABS

Protection：IP65 / Sealed Waterproof

FAQ

Yes. This battery supports up to 4 in series (2S/3S/4S for 24V, 36V, or 48V systems) or up to 4 in parallel (4P) to expand total capacity to 800Ah (theoretical maximum). For best performance and safety, please use batteries of the same model, capacity, and state of charge.
Yes, it is compatible with solar charging systems for home backup, RV, van life, camping, and off-grid energy storage.
Yes. The battery has an IP65 waterproof rating and a built-in 100A BMS that protects against overcharge, over-discharge, overcurrent, short circuit, and extreme temperatures. It’s reliable for marine, RV, solar storage, and off-grid use.
The 12V 200Ah LiFePO4 battery delivers 4,000+ cycles at 100% DOD, depending on usage and conditions. This translates to a service life far longer than traditional lead-acid batteries.
With a dedicated 100A fast charger, this battery can be fully charged in approximately 2 hours (from 0% to 100% at room temperature). Actual time may vary slightly based on initial charge level and ambient conditions.
Store the battery at 30%-50% charge in a cool, dry place. We recommend charging it every 6 months when not in use to prevent over-discharge and maintain optimal performance.

5 stars: 142 (90%)
4 stars: 15 (9%)
3 stars: 1 (1%)
2 stars: 0 (0%)
1 star: 0 (0%)

Nice customer support

I asked a setup question before installing and got a clear answer. The battery has worked well since.

Good but watch the load limits

This is a great battery if you keep your inverter and loads within spec.

Good for small appliances

With my inverter, it handles small appliances for short periods. I do not push it beyond its rating.

Well priced and practical

Nothing overly fancy, just a practical LiFePO4 battery at a fair price.

Good for lake weekends

It powers my small boat accessories and campsite lights over the weekend.

Solid purchase

I have only had it a short time, but it feels reliable and the runtime is strong.

Works well for camp lights

My camp lights, fan, and charging station ran comfortably from this battery.

Nice balance of weight and power

It is not feather-light, but the power you get for the weight is a big improvement.

Happy with output

The battery keeps my 12V loads stable and my inverter has not complained.

Handles normal inverter use

I run a moderate inverter load and it has been steady. I avoid overloading it.

Good long-term choice

The cycle rating and warranty made it feel like a better long-term buy than another lead-acid battery.

Plenty for lights and pump

In my camper, lights, pump, and phone charging barely make a dent compared with my old battery.

Good but plan your cables

The terminals are solid, but my old cable ends did not fit. New lugs solved it.

Quality seems good

After a few cycles, everything still looks and performs normally. No swelling, heat, or strange behavior.

Good balance for RV use

The capacity, price, and warranty all made sense for my RV upgrade.

Good for the garage

I keep it on a cart for garage power and emergency use. It has been very practical.

Good fit for my needs

I wanted capacity more than fancy features. This battery fits that use case well.

RV install went smoothly

The battery fit after a little cable rerouting. Once installed, it worked right away.

Good current handling

Within my normal loads, it has handled everything without cutting out.

Nice everyday backup

I use it for small backup tasks and it has been easy to keep charged.

Great for road trips

It kept my fridge and electronics running during a long drive and overnight stop.

Dependable on cloudy days

My solar shed stayed powered through a couple cloudy days with careful use.

Good but not self heating

I knew this before buying, but winter users should note it. The low-temp protection is there, not heating.

Saves space in my setup

One 200Ah battery cleaned up my battery area compared with multiple smaller units.

Works great with shunt

I added a battery monitor and the numbers look consistent. Runtime has been very good.

Good for cabins

My small cabin does not need a huge bank yet. This battery handles the basics and leaves room to expand.

Nice 12V lithium battery

It is a straightforward 12V 200Ah LiFePO4 battery that does what I need.

Reliable marine use

Used for several boat outings and it has powered accessories well. I keep it dry, but the sealed case helps.

Happy with the weight

It is still a lift, but much better than moving equivalent lead-acid capacity.

Good value lithium option

I wanted LiFePO4 without spending too much. This one has been a good middle ground.

Smooth charging

Charging has been clean with no alarms from my charger. It reaches full without fuss.

Nice for a portable power box

I built a 12V power box around it. The battery is the heavy part, but the capacity is worth it.

Good for camper fridge

My fridge used to worry me overnight. With this battery, I have a lot more breathing room.

Qidianfy 12V 200Ah LiFePO4 Lithium Battery | 100A BMS