Lithium 12V 400Ah Battery Lithium Iron Phosphate-BMS AND LCD DISPLAY


SKU: 1005001415779030 Category:


12V 400Ah Lifepo4 Battery 5120W Power Built BMS 250A Discharge Deep Cycle free Maintenance for Camper RV Van Energy Storage

Precautions :Price of ad is EXW price; Ask seller change the shipping fees for you to let you buy this battery and ship by sea. this battery only can ship by sea , this battery only can ship by sea ,this battery only can ship by sea ,this battery only can ship by sea ,!!! any shipping problem contact customer service!

We are battery pack manufacture , we accept OEM/ODM production. capacity & charge current & discharge current both can be adjusted!

We accept custom bluetooth function for battery!

(Attention : this 12v 400ah LiFePo4 battery pack cannot make in series , accept make in parallel)

normal solar energy storage battery models stocks in our store

lifepo4 12v 400ah H04F400 (model) specifications

1. 3.2V 200Ah prismatic cells , resistance <0.5mΩ ,max charge 0.5C,Max discharge 2C

2. BMS built 4S board , high quality , cells work voltage in 2.5V-3.65V, charge&discharge protection , short-circuit protection , higher & lower temperature protection, no balance function .

3. Cells connections 4S2P , make 12.8V 400AH 5120W . Max charge current 100A ,max discharge current 250A, working temperature :-20℃~50℃ ;

4. Alloy metal housing , bulit battery digital show ( capacity show, voltage show , temperature show );

Hxx energy company has 11 years battery pack made experience. more parameters you want to understand please ask customer service!

Test 1: Charging , we use 14.6V 10A 5 pcs charge the battery 8 hours, and battery charged full capacity ,test battery voltage 13.8V disconnect the charger. the terminal of battery a little hot , test temperature 48 celsius;

Test 2: Discharging, we use 4 terminals discharge instrument ,each 25A amperes , it release 4 hours.

​( Test environment: temperature, 29 celsius; location, manufacture lab)

Tip: The battery should be stored (more than 1 month) in a clean, dry and ventilated room with an ambient temperature of 0 ° C to 35 ° C. Avoid contact with corrosive substances, and keep away from fire and heat sources. Charge and discharge the battery every 6 months. Storage voltage is 3.20 ~ 3.31V (30 ~ 50%SOC).

Warning: DIY assembled when good protective measures, Wear protective goggles, insulated gloves. “+” on the case show positive,”-” on the case show negative , if not any speical description ,please remember.

These buyers who buy this battery, must agree that you are familiar with the safe use of lithium battery knowledge. Any brokens by human behaviours we wonot keep it in warrenty!

*We provide 12 months warranty* CE ,MSDS,UN38.3

If you want to do wholesales , contact seller for that .

Cells we will connect like this,

BMS board like this photo; click photo can buy bms in our store .

2. please choose the special lithium charger while charging lifepo4 battery; charge like the photo is on sale in our store; you can buy the charger we offered.

4 Battery some applications

RV Photovoltaic system ,garden lighting , farm lighting , UPS .

5 Tips for battery

when you consider to buy our battery , you must know the knowledges of lithium battery.

Failure to read the following items may result in battery leakage, explosion, or fire.
— Do not put the battery into water or get it wet;
— Do not use or store batteries near heat sources such as fire or heaters;
— Please use the original charger;
— Do not reverse the positive and negative poles;
— Do not connect the battery directly to a wall outlet or a car cigarette lighter socket;
— Do not throw the battery into fire or heat the battery;
— It is forbidden to short the positive and negative terminals of the battery with wires or other metal objects. It is forbidden to transport or store the battery together with necklaces, hair clips or other metal objects;
– prohibiting impact, throwing or subjecting the battery to mechanical shocks;
– Do not pierce the battery case with nails or other sharp objects, and prohibit hammering or pedaling the battery;
– Direct soldering of battery terminals is prohibited;
– prohibiting the decomposition of the battery in any way;
– Do not charge the battery under fire or extreme heat.
Failure to read the following items may result in battery leakage, explosion, or fire.
– Do not place the battery in a microwave or pressure vessel;
– It is forbidden to use in combination with primary batteries (such as dry batteries) or batteries of different capacities, models and varieties;
— Do not use if the battery emits odor, heat, deformation, discoloration, or any other abnormality; if the battery is being used or charged, immediately remove it from the appliance or the charger and stop using it;
— The battery should be kept out of reach of children. If the child accidentally swallows the battery, seek immediate medical attention.
— if the battery leaks or emits an odor, remove it immediately from an open flame;
Leaked electrolyte may cause fire or explosion;
— If the electrolyte enters the eye after the battery leaks, do not rub it, apply water rinse, and seek medical assistance immediately. If left untreated, your eyes will be hurt.
Do not use batteries in extremely hot environments, such as in direct sunlight or in hot days. Otherwise, the battery may overheat and may catch fire (ignition), which will affect the performance of the battery and shorten the battery life.
Use the battery only under the following conditions, otherwise it will reduce the performance of the battery or shorten the battery life. Using the battery outside of this temperature range may cause overheating, explosion, or fire.
We offer the full capacity battery pack , we are the 11 years experiences manufacturer .

6 Shipping

1. we usually send out battery by international commercial express, UPS ,FedEx ;but now battery belong to some dangerous goods in some countries , so we send them by special line .

2. It takes 5-10 days by express send to destination ( not including the Lead Time ) ,if send by special line may takes more than 20 days .

​3. Battery goods belong to sensitive items , we produce the best battery , so welcome customer come to our warehouse

4. You can contact with seller for details shipping , do wholesale also can find the sea shipping .

Additional information

Brand Name





38 KG



Model Number


Nominal Capacity








Working Voltage


Max Charge Current


Max Discharge Current



Prismatic 3.2V 200AH

Battery Housing

Alloy Metal


2 pcs



BMS built





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