详细说明
一、基本特性(Normal performance):
| 序号NO. | 项目 Item | 常用参数 General Parameter | 备注 Remark |
| 1 | 型号（Model） | IFR 32650-5Ah | 单体（Single） |
| 2 | 单体电池外壳材质 Casing material for single cell | 镀镍钢/Nickel plated steel | |
| 3 | 标称容量（0.2C5A） Standard capacity（0.2C5A） | 20Ah | |
| 4 | 额定电压 Rated voltage | 51.2V | 工作电压:3.20V (Work voltage:3.20V) |
| 5 | 最大充电电压 Max.Charge voltage | 57.6V | 平均单串充电电压:3.6V (Single Ave. charge Voltage) |
| 6 | 放电截至电压 Cut-off voltage | 40V | 平均单串放电电压:2.50V (Single Ave. Discharge Voltage) |
| 7 | 标准充电电流 Standard charge current | 4A | 0.2C5A |
| 8 | 充电时间 charging Time | 5.1h | 0.2C5A |
| 9 | 最大持续放电电流 Max Continuous discharge current | 40A | 2C5A |
| 10 | 最大放电电流 Max discharge current | 60A | 3C5A（2分钟）2mintues |
| 11 | 电池尺寸 Battery dimension | 345*180*145mm | |
| 12 | 电池总重量（Approx.) Total weight（Approx.) | About 11.6kg | |
| 13 | 内阻（Max, at 1000Hz.） Impedance（Max, at 1000Hz.） | ≤ 12mΩ | |
| 14 | 工作温度(CC/CV) Charge method (CC/CV) | 标准 Standard | 0℃～45℃ | |
| 放电 discharge | -20℃～45℃ | |
| 贮存 storage | -20℃～45℃ | |
三、电池组结构说明(Battery pack structure)
1电池模块(Battery modules)
由64个32650-5Ah的单体电池通过4并16串组成的电池组模块。
64 32650-5Ah cells,4 parallel and 16 serial, make a battery.
2保护板 Protective board
保护板通过对单串电芯的监控，有完善的过充、过放、过流、短路保护，并且电池具有独立的平衡功能。
The protection board, provides protection against overcharge, and short circuit, through monitoring single string of cells. Also it enables every battery pack to obtain independent balancing function.
3电芯充/放电标准（cells charge/ discharge standards）
电池组所选用单体电池（容量型）:32650-5Ah。
Cell adopted: 32650-5Ah
持续充电电流:0.2 C5A -1 C5A为最佳充电电流,最高单串电压不高于3.9V。
Constant charge current: 0.2 C5A -1 C5A is the best. cell max voltage﹤3.9V.
持续放电电流:放电1 C5A，最低单串电压不低于2.0V。
Constant discharge current: cell min voltage> 2.0v
快速充电能力:最大充电电流1C5A；电池升温在15°C以内为正常，若高于15°C会影响电池的使用寿命。
Rapid charge capability: Max. charge current1C5A;temperature increase falls within 15°C is normal while over 15°C will affect the service life of cell.
4.0特征曲线图（charge and discharge curve）:
四、电池性能(performance):
| 序号 No. | 项目 Project | 标准 Standard | 测试方法 Testing method |
| 1 | 常温放电性能 Discharge performance in normal temperature | 放电容量/标称容量×100％ （A）0.2C5A ≥100％ （B）1C5A ≥90％ Discharge capacity /standard capacity×100％ (A)0.2C5A ≥100％ (B)1C5A ≥90％ | 在1标准大气压，环境温度25℃±5℃，相对湿度为45％～80％的条件下，电池0.2C5A标准充电后（以下若没有特别说明，均在此条件下放置，皆按此充电方式），搁置10min，分别以0.2C5A、1C5A进行放电至下限电压40V，循环三次，当有一次达到标准，即达到标准要求（下同）; Charge with 0.2C3A standard charge in the condition of temperature 25℃±5℃，relative humidity 45％～80％ （if there is no especial statement，the charging way is same as this）, rest for 10min，separated discharge with 0.2C5A、1C5A to cut-off voltage 40V，cycles for three times，One cycle capacity arrive standard, that’s to say it is qualified.(The below as the same); |
| 2 | 常温荷电保持 能力 Charging keep ability in normal temperature | 剩余容量≥标称容量*90％ Rest capacity≥standard capacity *90％ | 电池标准充电后，在25℃±5℃贮存1个月，储存期满后，以0.2C5A 放电至终止电压40V，测量电池容量。 After standard charging，store at 25℃±5℃ for a month, and then discharge to cut-off voltage40V by 0.2C5A. Then measure the capacity of cell. |
| 3 | 循环寿命 Cycle life | 容量≥标称容量*80％ Capacity≥ Standard capacity *80％ | 0.2C3A标准充电后,以0.2C5A放电至终止电压40V搁置10min，以此模式循环1600次。 After 0.2 C5A standard charged ,discharge with 0.2 C5A to 40V.rest for10min，cycles for 2000 times. |
| 4 | 贮存性能 Storage performance | 贮存12个月的电池容量保持率≥80% Capacity can be kept ≥80% Storage for 12months. | 电池标准充电后，开路放置12个月，以0.2C5A放电至40V，测量电池的剩余容量； 0.2C5A/0.2C5A测量电池的恢复容量。可循环三次，当有一次达到标准，即达到标准要求。 After standard charged，let it rest for 12 months as a open circuit, discharging it until 40 V by 0.2C5A, and then measure the leftover capacity. Measure its recovery capacity by 0.2 C5A /0.2C5A . Undertake 3 cycles, it passes when one cycle meets the standard. |