5.1 容量

Capacity

標稱容量Rated Capacity：2000MAH（0.5CA放電 Discharge）

最小容量Capacity(min):2000mAh(0.2CA放電Discharge)

5.2 標稱電壓

Rated Voltage

7.4V

5.3 電池內阻Internal Resistant

≤200mΩ (with PTC)

5.4 放電終止電壓Discharge End Voltage

5.50V

5.5 充電上限電壓Charge Upper Limit Voltage

8.40±0.02V

5.6 標準充電電流Standard Charge Circuit

0.5C A

5.7 快速充電電流Fast Charge Circuit

1C A

5.8 標準放電電流Standard Discharge Circuit

0.5C A

5.9 快速放電電流Fast Discharge Circuit

1C A

5.10 最大放電電流Discharge Circuit (max)

2C A

5.11 電池重量Weight

96±1g

5.12 最大尺寸Dimension(max)

厚度(φ) : 18.3mm 寬度:36.6mm

高度(H) : 65.0mm（參見附圖1）

(see figure 1)

5.13 工作溫度Operational Temperature

充電charge：0 ~ 45℃;

放電discharge：-20 ~ 60℃

5.14 貯存溫度Storage Temperature

1個月內within a month：-5 ~ 35℃

6個月內within six months：0 ~ 35℃

6.1標準充電

Standard Charge

恆流恆壓充電(CC/CV)

constant circuit and constant voltage charge

恆流constant circuit：1O00mA

上限電壓upper limit voltage：8.40V

截止電流end circuit：20mA

6.2標準放電

Standard Discharge

恆流放電(CC) constant voltage discharge

恆流constant circuit：1000mA

終止電壓end voltage：5.50V

項目Items

測試程序Testing Procedure

標準Requirements

8.1.1標稱電壓Rated Voltage

電池按6.1充電後，按6.2放電過程的平均工作電壓

Charge according to 6.1, then calculate the average voltage during discharge process according to 6.2

7.4V

8.1.2放電性能Discharge Performance

電池按6.1充電後1小時內以0.5CA恆流放電到5.50V

Charge according to 6.1, then discharge within 1 hour with constant circuit of 0.5CA to the end voltage is 5.5V

≥120min

電池按6.1充電後1小時內以1.0CA恆流放電到5.5V

Charge according to 6.1, then discharge within 1 hour with constant circuit of 1.0CA to the end voltage is 5.5V

≥57min

8.1.3循環壽命Cycling Life

在環境溫度20±5℃的條件下，以0.5CA先恆流充電至上限電壓，再恆壓充電至充電電流≤20mA；擱置0.5h後以0.5CA放電至5.5V，放電結束後擱置0.5-1h後進行下一個循環，直至連續兩次放電時間小於72min，則認為壽命終止。

Under the ambient temperature of 20±5℃, charge with a constant circuit of0.5CA to upper limit voltage, then charge with constant voltage till the circuit is no more than 20mA; lay the battery aside for 0.5 hour, then discharge with 0.5CA till the end voltage is 5.5V; lay the battery aside for 0.5-1 hour before next cycle; when the discharge time of the consecutive discharge is both lower than 72 minutes, the cycle life is over.

≥300次Times

8.1.4荷電保持能力

Capacity Holding

按6.1充電,在溫度20±5℃的環境下放置28天，然後以0.2CA放電至5.5V,電池放電容量≥90%標稱容量。

Charge according to 6.1, lay the battery aside for 28 days in the ambient temperature of 20±5℃,then discharge with0.2CA till the end voltage 5.5Vappears, the capacity given out should be no less than 90% of the rated capacity.

容量Capacity≥1800mAh

8.1.5存貯Storage

自生產日期到測試日期不足3個月的電池按6.1充電方式充入40%－50%的容量,然後在環境溫度20±5℃,相對濕度45%－85%的環境中存貯12個月，存貯期滿後按6.1充滿電，0.2CA放電至5.5V。

As for the battery life less than 3 months, charge into 40-50% of the rated capacity according to 6.1, then store for 12 months under a condition of ambient temperature of 20±5℃ and 45%-85% RH; after storage, charge according to 6.1, then discharge with0.2CA till the end voltage is 5.5V.

放電時間Discharge Time≥4h.

8.2.1短路Short Circuit

電池按6.1充滿電後,將接有熱電偶的電池置於通風櫥中，短路其正負極（線路總電阻不大於50mΩ），試驗過程中監控電池溫度，當電池溫度低於其峰值10℃時，結束試驗。

After charging according to 6.1, put a battery connected with a thermocouple into ventilation cabinet, short circuit “+” and “-”(overall resistant of the loop is no more than 50mΩ); monitor the battery temperature during the testing process, when the battery temperature is lower than the peak value for 10℃, the test is over.

電池不起火,不爆炸。電池表面溫度小於150℃。

No fire, no explosion. Surface temperature is lower than 150℃.

8.2.2過充

Overcharge

電池按6.1充滿電後，將接有熱電偶的電池放置於通風櫥內；連接正負極於一恆流恆壓電源，調節電流至3CA，電壓為10V，然後對電池進行充電，直至電池電壓為10V，電流接近0A。實驗過程中監測電池溫度變化，當電池溫度下降到比峰值低約10℃，結束實驗。

After charging according to 6.1, put a battery connected with a thermocouple into ventilation cabinet, connect the “+” and “-” with a constant circuit and constant voltage power, adjust the circuit to 3CA and the voltage to 10V. charge the battery till the voltage is 10V and the circuit is about to 0; monitor the battery temperature during the testing process, when the battery temperature is lower than the peak value for 10℃, the test is over.

電池不起火,

不爆炸。

No fire, no explosion

8.2.3

重物衝擊

Heavy Shock

電池放置於衝擊台上,將10公斤重錘自1m高度自由落下,衝擊已固定在夾具中的電池(電池受力位置參見附圖4)。

Put a battery on the shock platform, let a hammer of 10kg fall down freely from a height of 1m, shock the battery fixing in the clamp(for the position of the battery, see figure 4)

電池不起火,

不爆炸。

No fire, no explosion

8.2.4

熱衝擊

Thermal

Shock

電池按6.1充電後，將電池置於熱箱中，溫度以（5±2℃）/ min的速率升至150±2℃並恆溫10 分鐘。

Charge the battery according to 6.1, then put a battery into a thermal box, heat with a temperature rising speed of（5±2℃）/ min till 150±2℃,then keep this temperature constant for 10 minutes.

電池不起火,

不爆炸。

No fire, no explosion

8.3.1高溫性能High Temperature Performance

電池按6.1充電後,在溫度55±2℃的環境下放置2小時,然後以1CA放電至5.5V,電池放電容量≥90%標稱容量。

Charge the battery according to 6.1, lay the battery aside for 2 hours under a temperature of 55±2℃, then discharge to 5.5Vwith 1CA, capacity given out should be no less than 90% of the rated capacity.

容量Capacity≥1800mAh

8.3.2低溫性能Low Temperature performance

電池按6.1充滿電後,在溫度-20±2℃的環境下放置16-24小時,然後以0.2CA放電至5.5V,電池放電容量≥70%標稱容量。Charge the battery according to 6.1, lay the battery aside for 16-24 hours under a temperature of -20±2℃, then discharge to 5.5Vwith 0.2CA, capacity given out should be no less than 90% of rated capacity.

容量Capacity≥1400mAh

8.3.3振動Vibration

電池按6.1充滿電後，將電池安裝在振動檯面上，按（振動頻率：10Hz～30Hz,位移單振幅：0.38mm;振動頻率：30Hz～55Hz,位移單振幅：0.19mm）振動頻率和對應的振幅以X,Y,Z三個方向從10Hz～55Hz循環掃頻振動30min,掃頻速率為1 oct/min.

Charge the battery according to 6.1, then fix the battery on the vibration platform, perform cycling sweep frequency(sweep rate is1 oct/min ) vibration on X,Y,Z axis for 30min , vibration frequency: 10Hz～30Hz, displacement single swing: 0.38mm; vibration frequency: 30Hz～55Hz, displacement single swing: 0.19mm.

電池外觀應無明顯損傷，冒煙，漏液或爆炸，電壓不低於3.6V

Battery appearance has no obvious damage, no fume, no electrolyte leakage and explosion, voltage is no less than 7.4V.

8.3.4自由跌落

Free Fall

電池按6.1充滿電後，將電池由高度為（最低點高度）1m位置從X，Y，Z正負六個方向自由跌落，每個方向跌落1次至水泥地面上的18～20mm的硬木地板上。然後將電池以1CA電流放電至5.5V，再進行不少於3個的充放電循環（按6.1充電，1CA放電）。

Charge the battery according to 6.1,thenlet the battery fall freely and separately along X,Y,Z axis on both directions froma height of 1m (from the lowest point to the floor) on a hard wooden floor with a thickness of 18-20mm placing on the concrete ground. Then discharge the battery with 1CA till to the voltage falls to 5.5V, and perform charge and discharge cycle for no less than 3 times (charge according to 6.1, discharge with 1CA).

電池不起火,不爆炸。放電時間應不低於51min。

No fire, no explosion. Discharge time should be no less than 51min.