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Question
2 l& U3 p4 C0 W( N6 }. CIEC 62133:2002 Subclause 2.5 and IEC 62133:2012 Subclause 5.6.1 requests that:' s8 q0 Q# x1 T5 w
Cells used in the assembly of batteries shall have closely matched capacities, be of the same design,2 C* v- K* Z% ^# G( @
be of the same chemistry and be from the same manufacturer.
& }1 u2 C0 G6 t( K* P5 t4 R cWhat is considered as acceptable in regards to “closely matched capacities”?
j: s- L5 }' Y! cDecision7 K+ L3 v, H- B! K. X& M( @4 A
If an active charge and discharge current control is used that, over the lifetime of the battery
' W1 G0 N9 ~* Cassemblies, ensures the charging and discharging current of each parallel connected cell are within" S2 H( L4 `% _& d7 c* s1 `
the acceptable range of cell manufacturers’ specifications, the battery can be seen as one with x6 Q, |# p6 X
closely matched capacities.
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