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Ultimate Test Criterion
Modified Date2001/12/12Executive Date2002/1/1Reference No.DF-SIP-1003.08Edition No.A/3
Battery TypeR20PDiscription1.Mercury free battery,W(Hg)≤1×10-4%; 2.Cadmium free battery,W(Cd)≤1×10-3%
    
1. Delivery Criterion (shipment after the following requirement)
No.test itemQuality CriterionMeasuring Equipment/MethodSampling/determinant method Note
1External Diameter32.3-34.2mmThe accuracy of vernier caliper shall be≥0.02mm

GB2828-87,IL=S-3
AQL=0.65

2Totle height59.5-61.5mm
3Open circuit votage1.660-1.725VThe accuracy of the direct voltage shall be ≥0.25%,and its internal resistance shall be ≥1MΩ,or digital multimeterGB2828-87,IL=I
AQL=0.65
measuring environment temperture:20±2°C
4short circuit current≥7.5A0.5 Grade model C19 Direct Current Meter
5Dischanging time≥650minIDS battery intellegent discharge system,continuous discharge to 0.9V at 3.9Ω,record the discharge time ,then discharge to 0.6V,obesrve the leskage-proof performanceGB/T7112-1998 6.3
6leakage-proof performanceNo transfiguration,no leakage shall occur.GB2829-87,DL=III
RQL(Ac,Re)=40(1,2)
7Appearance(eye test)

a.Each battery is clear and neat and positive polarity is place in the middle;

b.intergrity & neatness of trademark leters & signs.Uniformity of shrink & metallic jacket;

c.Copper cap &false bottom are clear and neat,with no rust.

GB2828-87,IL=I
AQL=1.5(light bug):
AQL=0.65(serious bug)
8Packaging(eye test)a.Shirnk tube neat& well; b.packing cotton,cotton material&printing quality meet requirement.
9Other packaging requirementSales Department check according to Order Packaging Requirement for each order.
10Order related stock and process inspestion are finish and meet requirements.
2. Tracing standard after delivery(at least once per month,not correstponding to order;shelf life :2 years)
Item
End-point voltageGB/IEC standardEnterprise standard(new battery)≥2month≥6month≥12month18-24 month
discharge standard3.9Ω continue discgarge0.9V ≥650 min≥630min≥580min≥560min≥540min
3.9Ω,1h/d0.9V≥13h≥13.5≥13.0≥12.8h≥12.6h≥12.3h
2.2Ω,4min/h,
8h/d
0.9V≥320min≥380min≥360min≥340min≥320min≥300min
2.2Ω,1h/d0.8V≥6h≥7.5h≥7.2h≥7h≥6.8h≥6.5h
10Ω,4h/d0.9V≥35h≥38h≥36h≥34h≥32h≥30h
Voltage&Current testopen circuit voltage(V)

+0.25

1.500-0

1.680-1.725≥1.640≥1.620≥1.600≥1.580
voltage under laod(V)3.9Ω ≥1.550≥1.500≥1.480≥1.460≥1.440
Short circuit current(A)≥7.5≥7.0≥6.8≥6.6≥6.0
3. Routine test item(at least once per month)
NoItemTest RequirementTest MethodSampling &determinant method
1High TemperatureNo transfiguration,no leakage shall occurConstant temperature box /Constant temperature 45±2°C, 720hGB2829-87,DL=III
50pcs/time,RQL=5.0
 
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