The Sony NP-FW50 Lithium-Ion Rechargeable Battery is a small and lightweight spare or replacement battery suitable for use with Sony Alpha NEX-3, 5, 6 and 7 Series Cameras, RX10, RX10 II, RX10 III, DSLR-SLT-A33 and DSLR-SLT-A55. Lithium-ion batteries can be charged or discharged at any time without developing memory effects.
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