Warranty 3 years CFP4820S3 48V20Ah lithium battery for E-bike
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 10 pc
- Supply Capability:
- 100000 pc/month
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· Product Description
Product Spec | |
Model | CFP4820S3 |
Battery specifications | 48V20Ah |
Size | 252mm*143mm*72mm |
Weight | 6.1±0.2Kg |
Cell specifications | 18650-2500mAh |
Rated voltage | 48V |
Rated Capacity | 20Ah |
Charging cut-off voltage | 54.6V |
Discharge cut-off voltage | 39V |
Maximum discharge current | 25A |
Maximum charging current | 6A |
Protection level | IPX7 |
Use environment | 0-45℃ |
The Guarantees Time | 3years |
E-BIKE BATTERY
Packing and shipping
* Packing for each them. Standard weight and package for all shipping methods.
* Within 15 days after payment (based on actual quantity).
* DHL/FedEx/UPS fast express.
* Air/Sea Shipping. All are accepted.
* Tracking number will be sent to you after delivery and we will track the goods until you receive them.
Our service
1. Customers request or customized specification is acceptable.
2. 100% tested and inspected before packing.
3. Professional technician and engineer service.
4. Replacement or repair if it is under warranty.
5. Any inquiry about e-bike battery is welcomed, prompt response.
6. 24 hours /6 days/week online service.
7. Fast delivery and good shipping situation tracking .
Q: How can you guarantee the quality?
A: Quality is priority. We always attach great importance to quality control from the very beginning to the end of the production.Every product will be fully assembled and carefully tested before packing and shipping.
Q What is your company’s advantage?
A: We only supply high level quality of lithium battery and we have a strong design center, we also provide high quality after sale service.
Q: Do you accept OEM/ODM?
A: Yes, it is avaliable.
Q: What is your payment terms?
A: Sample payment through Paypal or Western Union, and mass order by T/T or L/C.
- Q:What is the difference between a maintenance-free battery and a conventional battery?
- Different materials will produce a different phenomenon: the traditional battery in the course of the use of the phenomenon of liquid reduction occurs, because the antimony on the grid will pollute the sponge on the negative plate of pure lead, weakened after the full charge of the battery Electromotive force, resulting in excessive decomposition of water, a large number of oxygen and hydrogen, respectively, from the positive and negative plates to escape, so that the electrolyte reduced. With calcium instead of antimony, you can change the fully charged battery back electromotive force, reduce the overcharge current, liquid gasification rate decreases, thereby reducing the loss of electrolyte.
- Q:What are the technical parameters of the battery?
- Battery capacity is defined as ∫ t0tdt, theoretically t can be infinite, but in fact when the battery discharge is lower than the termination voltage continues to discharge, which may damage the battery, so t value is limited, the battery industry, in hours (h) Battery sustainable discharge time, feel the C24, C20, C10, C8, C3, C1 and other nominal capacity value.
- Q:Maintenance-free battery how to detect it?
- Keep the battery surface clean. If the discovery of solid oxide on the pole, it should be timely with hot water pouring, to be removed, so as not to affect the pole and the terminal between the continuity. After cleaning up, wipe the battery surface, in the pole and the terminal cast on the butter to ensure that the pole is not oxidized.
- Q:What is the meaning of the battery above 12v65Ah?
- 12V is said to be the voltage, 65Ah is the current. (A is the unit of current. H is the time unit .1 hours.)
- Q:How does the battery increase the voltage?
- With the same battery pack in series; if the required current is relatively small, you can use DC-DC module.
- Q:How does battery activation work?
- If the battery is charged, because the battery discharge itself, the active substance to activate, not add acid, but should be added pure water (no minerals and impurities in the water) is best steaming water, and now you Since the addition, you can use water to wash several times, and then use 1C current charge to 2.3 times. Then discharge, so repeated several times, will be better. So that you can remove the vulcanization.
- Q:How to repair the battery?
- Pry open the adhesive or heat-sealed battery cover, reveal the maintenance-free battery rubber exhaust valve, carefully remove the exhaust valve, save, observe the battery internal situation. Add 0.1% to 0.5% of the electrolyte to the battery, just to the battery above the flow of electrolyte. At the same time, check whether the black impurities, if there are obvious black turbid impurities, indicating that the battery plate has been significantly softened, the possibility of battery repair is relatively small. If there is no black muddy impurities, need to wait 4 hours later, the water fully into the battery. If it is only because the deactivation time is long and cause the battery capacity to decline, do not need to carry out this step operation, should go directly to step 3 pre-charge.
- Q:What are the hazards of battery over discharge?
- The battery discharge to the standard termination voltage when the internal resistance will become larger, the battery electrolyte concentration will become very thin, especially the battery plate micropores and battery plate surface these two points are almost neutral; battery over discharge because of Internal resistance will become larger, so the battery will appear inside the phenomenon of heat, the battery volume will appear fever expansion.
- Q:How is the capacity of the battery defined?
- General circuit has a battery protection circuit, once the battery voltage is less than 10.8V will automatically cut off the electricity to prevent the battery because of over-discharge and damage. (Nominal value of 12V battery internal six cell grid) with the battery discharge current multiplied by the discharge time to express how much energy the battery can store, is a very image of a measure. The greater the value of the battery, indicating that the battery can store more energy. But does not mean that the battery can use such a large current discharge.
- Q:Battery 200ah / 104 what does that mean?
- 2V battery capacity (from 200AH-3000AH have) long design, good stability, the price is also expensive; 12V battery capacity is generally the largest 250AH, design life as 2V, price economy, high current discharge better.
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Warranty 3 years CFP4820S3 48V20Ah lithium battery for E-bike
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 10 pc
- Supply Capability:
- 100000 pc/month
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