We are a manufacturer of lithium batteries with excellent performance in severe environments with above 10 years of experience, mainly specializing in: lithium ion battery, lifepo4 battery, energy storage battery, commercial & industrial energy storage battery, solar battery, golf cart batteries, forklift battery, ev battery, etc. Welcome to contact us for any requirements regarding Lithium batteries! Our engineers pay close attention to each step to ensure we design the best battery solutions for our clients. We care about every detail during battery processing: elegant structure, steady welding, etc., ensuring we provide our clients with the best safety performance & longest lifespan battery packs.
| Model No. | ENGY-F4830T |
| Nominal voltage | 48V |
| Nominal capacity | 30Ah |
| Max. continuous charge current | 50A |
| Max. continuous discharge current | 50A |
| Cycle life | ≥ 2000 times |
| Charge temperature | 0°C ~ 45°C |
| Discharge temperature | -20°C ~ 60°C |
| Storage temperature | -20°C ~ 45°C |
| Weight | 18 ± 0.5kg |
| Dimension | 360 * 205 * 165mm |
| Application | Specially designed for UPS systems, also can be used for Back-up power, telecommunication base stations, solar/wind systems, home energy storage, etc. |
Established in 2009, with many years of experience, we are a professional and leading manufacturer specialized in LiFePO4 batteries. Our professional custom battery pack solutions help you save a lot of time and money, as well as get established on the market quickly. If you are looking for a custom battery pack manufacturer, please contact us for more details.


































Yes, we are a factory located in China. Welcome to visit us at any time.
Usually we don't, because different customers have different requests. Even if the voltage and capacity are the same, other parameters may be different. However, we can finish your sample quickly once the order is confirmed.
Sure, OEM & ODM are welcome and the logo can be customized too.
Usually 15-25 days. It depends on the quantity, material, battery cell model and so on. We suggest checking the delivery time case by case.
A 1PCS sample order is acceptable for testing purposes.
More than 800 times for lithium ion batteries; more than 2,000 times for LiFePO4 lithium batteries.