Panasonic EY9L45B 14.4V 4.2ah Li-Ion Battery
This Panasonic 14.4v 4.2Ah Li-ion battery (EY9L45B) is Panasonic 's largest battery yet, providing superior runtime with the same 14.4v power and low weight. It is compatible with the EY0L81B and EY0L82B chargers.
Lithium-ion batteries present several advantages over NiMH and NiCd batteries, including no memory effect, no lazy battery effect, reduced self-discharge rates and the ability to withstand colder temperatures in working order.
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