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Model | DL-4820 |
Nominal voltage | 48V |
Charge voltage | 54.6V |
Nominal capacity | 20Ah |
Battery type | 18650 lithium battery cell |
Standard charge current | 5A |
Max charge current | 10A |
Standard discharge current | 30A |
Max discharge current | 30A |
Discharge cut off voltage | 36.4V |
Charge method | CC/CV |
Net weight | 6.5kg |
Lifecycle | 500 times |
Warranty | 12 months |
Charge temperature | 0°C ~ 45°C |
Discharge temperature | -10°C ~ 60°C |
1. Customized service: OEM or ODM is warmly welcome.
2. Professional sales team: reply within 12 hours.
3. Fast deliver: For sample, we can arrange shipment within 2 days after receive your payment.
4. New product launch : We have a R & D team to research new products.
Shenzhen Delong Energy Technology Co., Ltd., which mainly deals in all kinds of lithium batteries and mobile power, integrating R&D, production and sales. Our lithium battery products are mainly used in electronic digital equipment, electric vehicles, power tools and backup power systems, Bluetooth headsets, digital cameras, MP3, mobile phones, miner's lamps, remote control aircraft models and electric vehicles.
Delong battery has a good reputation and has become a well-known brand in the international market, which is mainly due to our battery has a long cycle life, high energy density, stable work and safety in different temperature environments. According to our conditions to increase production, our current production reaches 100K / day, we focus on quality, technology and market. Our products are certified by SGS, ROHS and CE and comply with ISO9001 system standards.
Hot sale products: 36V hailong electric bicycle battery, 48V silver fish battery for 1000W motor electric bicycle, 18650 lithium battery 12v 20ah pack, 12V 100AH Lifepo4 battery pack, portable 220V/110V jump starter AC power bank for laptop/notebook, 12V 200AH battery pack.
Q1: Are you trading company or manufacturer ?
A1: We are factory. Welcome to visit us.
Q2: How long is your delivery time?
A2: Generally it is 10-15 days, it is according to quantity.
Q3: Do you provide samples ?
A3: Yes, we could offer the sample.
Q4: What is your terms of payment ?
A4: For bulk order,30% T/T in advance ,balance 70% before shippment. For sample order,100% payment before production.
Q5:What kind of after sales service would you provide ?
A5:If you have any questions when using,just feel free to contact us,we have 24 hours service.