Founded in 2009, Dongguan Billion Electronic Technology Co Ltd has provided batteries and power solutions to Original Equipment Manufacturers in leading firms all over the world. Top companies in industries such as enterprise storage, telecom, test and measurement, medical, military, metering, and global positioning rely on Billion Electronic to bring our expertise to their applications, yielding the best power solution possible for their products.
1.This item is 310Ah item, the QR code is intact, grade A+, brand new.
2.The price comes with busbars and bolts, a battery will come with a busbar and bolt set (for example, if you buy a 4-piece battery, we will send you 4-piece cells with 4-piece busbars and nuts and bolts 8 pieces studs) If you need more, please contact us online Thank you!
1.We ship within 7 days after receiving the order,Usually within 2 days
2.Transportation to USA:By sea+Express(DDP,Tax free)
ETD:5-8 days
ETA:30-45 days after sailing(This is the delivery time for most orders. Please wait patiently or contact us online)
The tracking will be update after pick up by local express.Usually it will take around 15-30 days after sailing.
3.Transportation to EU:By railway+Express(DDP,Tax free)
ETD:5-8 days
ETA:40-55 days after sailing(This is the delivery time for most orders. Please wait patiently or contact us online)
The tracking will be update after pick up by local express.Usually it will take around 40-50 days after sailing.
Product specifications Battery type: lithium iron phosphate Model: 3.2V 310AH Housing material: aluminum. Nominal voltage: 3.2V Nominal Capacity: 310AH Minimum capacity: 300-310AH Internal resistance: less than 0.3mΩ Suggested constant current: 155a (0.5c) Discharge cut-off voltage: 2.5V Recommended constant current: 310A (1C) Maximum charging voltage: 3.65V Maximum continuous discharge current: 310A (1c) Maximum discharge current: 3c Constant current: 155a (0.5c) Charging method: CC / CV Charging voltage: 3.65V Cycle life: 4000 times (80% DODE) Battery Weight: 5.51kg Size: 207 * 174 * 72mm Charging temperature: -10 ~ 45 ° C Discharge temperature: -35 ~ 65 ° C
If you need other capacity,Please feel free to contact me.
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NOTE: How to store lithium batteries that have not been used for a long time.
Lithium batteries should be charged with 50%~80% of electricity if they are not used for a long time, and they should be taken out of the instrument and stored in a dry and cool environment, and the batteries should be charged every 3 months to avoid excessive storage time and battery self-discharge. Too low, causing irreversible capacity loss.
The self-discharge of a lithium battery is affected by the ambient temperature and humidity. High temperature and humidity will accelerate the self-discharge of the battery. It is recommended to store the battery in a dry environment between 0 ℃ and 20 ℃.
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FAQ
Q: How should I pay? What modes of payment do you accept?
A: T/T, Paypal, Western Union & Trading Assurance acceptable.
Q: Is sample order acceptable?
A: Yes, for most of the batteries, sample orders for testing quality is reasonable and acceptable.
Q: Is your battery quality approved?
A: Yes, we guarantee that all cells are 100% original from Panasonic, Samsung, LG and Sony. And we will have full inspection of each cells and grouping them before assembling into battery packs. And all finished battery packs will be under a full inspection before shipment
Q: How can you prove that your cells are 100% original?
A: We can show you the original pack list and other related documents.
Q: what is your lead time if I placed an order?
A: For all products in stock, our lead time is within 2 working days after payment received. For thoese that we don't stock for the moment such as customized battery packs, the lead time is around 7-10 days.
Q: What is your warranty?
A: We guarantee the quality before the item is shipped. You can enjoy 30-day free refund, 4-month free replacement, and lifetime maintenance service from the date of delivery. Any damages caused by improper use are not covered by our warranty.
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