
Item | General Parameter | Remark | |
Combination method | 22S4P | ||
Rated Capacity ) | Typical | 20Ah | Standard dischargeafter Standard charge(package) |
Minimum | 20Ah | ||
Nominal Voltage | 72V | Mean Operation Voltage | |
Discharge Cut-off Voltage | 55V | Discharge Cut-off Voltage | |
Charging Voltage | 80.3V | ||
Internal Impedance | ≤80mΩ | Internal resistance measured at AC 1KHZ after 50% charge The measure must uses the new batteries that within one week after shipment and cycles less than 5 times | |
Standard charge | Constant Current 0.2C Constant Voltage57.6V 0.02CA cut-off | Charge time : Approx6 h | |
Standard discharge | Constant current:0.2C end voltage 44.8V | ||
Maximum Continuous Charge Current | 20A | ||
Maximum Continuous Discharge Current | 20A | ||
Operation Temperature Range | Charge: 0~45℃ | 60±25%R.H. Bare Cell | |
Discharge: -20~60℃ | |||
Storage Temperature Range | Less than 12 months : -20~25℃ | 60±25%R.H. at the shipment state | |
less than 3 months: -20~40℃ | |||
Less than 7 day : -20~60℃ | |||
Dimensions | ODM / OEM | APPROX | |
Weight | 14KG | APPROX | |
(Delivery SOC) | 50%-60% | ||
(Package) | (Paper carton + Wooden Pallet) |
Guang Zhou Sunland New Energy Technology Co., Ltd.
Guangzhou Sunland New Energy Technology Co., Ltd. (Sunland Power) is a senior professional service provider of
battery application. Aiming at serving industrial users, it is
dedicated to providing industrial users with optimized battery
supporting solutions and safe, environmental friendly and
cost-effective battery products.
It has a R & D, engineering and management team with more than
10 years of industry experience
From upstream to downstream, the battery industry has the advantage
of vertical integration
Specializing in batteries, battery packs, battery management
systems and energy solutions
The products are widely used in medical devices, coal mine
security, electronic appliances, power supply and standby energy
storage system. For example, the power supply system of electric
bicycle; Solar energy storage power supply system, UPS backup power
supply system. At the same time, it is also an ideal choice for
vehicle starting power supply, military painting and other fields.
We provide professional design and customization services according
to the special needs of customers.