All I have to say is this company has a fast response time, the cells are excellent quality and packaging is excellent as well. Definitely order from here.
—— Palombo from Italy
Thank you much for all your help. The cells arrived and everything is perfect I will be testing them and ordering more very soon thanks again.
—— Adam from USA
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Product Details:
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| Nominal Capacity: | 300Ah | Nominal Voltage: | 3.2V |
|---|---|---|---|
| Internal Impedence: | ≤0.4mΩ | Operating Votage: | / |
| Dimension: | 308*360*53mm | Battery Weight: | 9.5Kg±0.3Kg |
Sinopoly Battery 3.2V 300Ah SP-LFP-300AHA Lifepo4 Cells
Sinopoly Battery is a Chinese company that specializes in the design, manufacture, and distribution of lithium-ion batteries for various applications, including electric vehicles (EVs), energy storage systems, and consumer electronics. The company was founded in 2003 and has since become a major player in the global battery industry.
In recent years, Sinopoly Battery has focused on developing advanced battery technologies, such as solid-state batteries and lithium-sulfur batteries, to further improve the performance and safety of its products. The company has also established partnerships with leading EV manufacturers and energy companies to expand its market reach and accelerate the adoption of clean energy solutions.

Parameters:
Item | Specification | |
Product Model | SP-LFP-300AHA(A) | |
Nominal Capacity | 300Ah | |
Nominal Voltage | 3.2V | |
Weight | 9.5Kg±0.3Kg | |
Internal Impedance | ≤0.4mΩ | |
Cycle Life | ≥1500Times | |
Self-discharge rate | ≤5% | |
Dimension | Height | 308±1mm |
Width | 360±1mm | |
Thickness | 53±0.5mm | |
Charge | Standard Current | 99A |
Max. Current | 300A | |
Limited Voltage | 3.65V | |
Discharge | Cut-off Current | 6A |
Standard Current | 99A | |
Max. Current | 300A | |
Cut-off Voltage | 2.5V | |
Operation Temperature | Charge | 0℃~45℃ |
Discharge | -20℃~55℃ | |
Storage Temperature | -10℃~45℃ | |
Storage Humidity | 25%~85% | |

| WhatsApp : | +8617763274209 |
|---|---|
| Skype : | +8617763274209 |
| WeChat : | 17763274209 |
| Email : | Elsa@lifepo4-battery.com |