Slim, light weight, Lithium-Ion Battery to suit Siemens X1, C62. Has no "memory effect", therefore it can be charged at any time without damage to the battery or the need to discharge it first.

Siemens X1, C62 Li-Ion Battery
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3.6 Volts, 550mAh (550 milliampers)
Premium A grade cells.
Aftermarket battery