12.8V 40Ah LiFePO4 Lead Acid Replacement Lithium ion Battery Pack 12V 40Ah

2021-08-16 03:31


Battery Type:
LiFePO4 battery
Rated Voltage
Rated Capacity
Continuous Charge Current
Continuous Discharge Current
Peak Discharge Current
80A 10S
Recommend Charge Current
Charge Cut-off Voltage
Discharge Cut-off Voltage
Charge Mode
0.2C to 14.6V, then 14.6V until charge current to 0.02C(CC/CV)
Working Temperature (CC/CV)
25°C,monthly ≤3%
Efficiency of Charge
Efficiency of Discharge
96-99% @1C
Cycle Life
≥5000 cycles

12V 40Ah LFP Battery
This 12.8V 40Ah LFP battery can be perfect substitution to AGM/GEL battery, ALL IN ONE also provides customized batteries with different capacity, dimension and functions according to customer's specific requirements. Comparing with AGM/GEL lead acid batteries, ALL IN ONE Li-ion (LiFePO4) substitution solutions has the following advantages:
1. Long life: LiFePO4 battery has a long life cycle which is more than 5000 times and its life span is up to 10 years.
2. Light in weight: Li-ion (LiFePO4) substitution battery is only approx. 1/3 of lead acid battery in weight.
3. Deep discharge: the power supplied by LiFePO4 is 25% higher than the power supplied by AGM/GEL lead acid battery with same capacity.
4. Wide working temperature: LiFePO4 battery has wide working temperature range of -20°C ~ 60°C.
5. Environmental friendly: LiFePO4 does not contain any harmful heavy metal elements, it is green, non-toxic, pollution-free.
Related LiFePO4 Battery Packs
Packing And Shipping


Our Normal Packing:

1)SLA replacement batteries and light weight batteries,are usually packed in single carton(per piece in 1 carton), protected by foam from top and button.
2)For heavy high voltage/high capacity batteries,are usualy packed with wooden frame for safe delivery.
OEM packing:
Since we're direct factory,we also support package customzition.While reach the OEM QTY,we can design and make according to your requirements.


1) Sample order

Normally,the samples will be delivered by express(DHL,Fedex,TNT,UPS) or Air depending on different products. Large scale batteries will be probably delivered by ship.

2) Mass order

Air,Ship for selection,will deliver according to clients' decision.
3) We have got UN38.3,MSDS and other shipping port certificate.

Q1.Why should you buy from us not from other suppliers?
A1.We have R&D team and sales team together in our company, most of our batteries are CE, ROHS, IEC62133, UL approved. We can provide professional power solution.

Q2. Can I have a sample order for lithium batteries?
A3: Yes, we welcome sample order to test and check quality. Mixed samples are available.

Q3:Is the battery BMS included?
A3:Yes.It's advanced BMS included and very safe to use.

Q4:Does the battery have overcharge and overdischarge protection?
A4:Yes.We use advanced BMS and it can protect the battery well from overcharge and overdischarge.

Q5:Do you have other size?
A5:Yes.We can produce customized size and use different sealed lead case.

Q6. Is it OK to print my logo on lithium batteries product?
A6: Yes. Please inform us before production and confirm the design firstly based on the sample. And OEM&ODM accepted.

Q7. What kind of certificate can offer?
A7. CE,ROHS,UN38.3 and MSDS etc., If need IEC-62133,PSE and others, please consult with us.

Q8.What is the lead time for the mass order?
A8.Generally speaking,about 7~20 days depending on different items and quantity.

Q9. What is the warranty for the products?
A9. 1~10 years,Since our product range is wide, Minimum12v 40Ah, Max 2MW container energy storage system, Different products has different warranty,welcome to check before placing order.

Note: We are a battery manufacturer. All products do not support retail, we only do B2B business.please contact us for product prices!