Sony NP-FW50 Batteries: Charge 'em without AC Power - Alphatracks

I did have a backup camera which used the same Sony NP-FW50 battery. Could I use the backup camera as an improvised battery charger?

LP-NP-FW50 Battery Pack and Portable Charger,LP 2-Pack Replacement Battery Compatible with Sony Alpha A6000, A6400, A6100, A6300, A6500, A5100, A7, A7 II, A7R, A7R II, A7S, A7S II and Other

☆INTELLIGENT DETECTION: Read the real capacity of batteries charged from 0 up to 100%. Automatically adapts to USB input power and detects battery

NP-FW50 Dual Slot Battery Charger for Sony NP FW50 Batteries for Sony Alpha A6400, A6000, A6300, A6500, A5100, A7, A7II, A7RII, A7SII, A7S, A7S2, A7R

Replacement Battery and Charger for Sony NP-FW50

Compatible Replacement Battery for: Bower XPDSFW50 Dantona CAM-FW50 DigiPower BPFW50 Digital Concepts VIV-SB-FW50 Duracell DR9954 Empire BLI-395

Synergy Digital Camera Battery, Compatible with Sony NP-FW50 Digital Camera Battery - Ultra Hi-Capacity - (1500 mAh 7.2v)

USB-C Fast Charging: This NP-FW50 battery has a USB Type-C charging port that reduces charging time by 30% compared to other USB-C camera batteries,

SMALLRIG NP-FW50 1030mAh Camera Battery for Sony A7S II / A7R II/ZV-E10, USB-C Fast Charging Rechargeable Camera Battery for Sony A7, A7S, A7R, A6400

Sony Rechargeable Lithium-Ion Battery for NP-FW50 NPFW50 - Best Buy

Replacement Battery and Charger for Sony NP-FW50

LP-NP-FW50 Battery Pack and Portable Charger,LP 2-Pack Replacement Battery Compatible with Sony Alpha A6000, A6400, A6100, A6300, A6500, A5100, A7, A7 II, A7R, A7R II, A7S, A7S II and Other

Save Your Camera! Use a Wrist Strap - Alphatracks

Np-fw50 Battery 2-Pack and Charger for Sony Alpha A7, A7 II, A7R, a7R II, a7S, A

【Powerful Battery Capacity】7.4V, 1500mAh rechargeable Li-ion batteries use high quality cells for longer battery life with no memory effect. 【Comes

Pickle Power NP-FW50 Battery, 2 x 1500mAh Batteries for Sony Alpha A6500, A6400, A6300, A6000, A3000, A5000, A5100, A7II, A7RII, A7, RX10 NEX-3/5/7

JYJZPB NP-FW50 Replacement Battery Charger Set Dual Channel Compatible for Sony Alpha A6000 A6400 A6500 A6300 A6100 ZV-E10 A7 A7II A7RII A7SII A7S A7S2 A7R A7R2 A5100, Camera Batteries Charger Case

SMALLRIG NP-FW50 1030mAh Camera Battery for Sony A7S II / A7R II/ZV-E10, USB-C Fast Charging Rechargeable Camera Battery for Sony A7, A7S, A7R, A6400, A6500, A6300, A5000, A5100, A6000, RX10-4330

Original Sony NP-FW50 Battery For DSC-RX10 NEX-7 NEX-5 A6400 A5100 A7S A7R A55