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?
Sony NP-FW50 Batteries: Charge 'em without AC Power - Alphatracks
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
NP-FW50 Battery For Sony Alpha ILCE-7 ILCE-7R ILCE-7K 7M2 ILCE-3000 ILCE-5000
JYJZPB Np-fw50 Camera Battery Replacement and Dual Battery Charger for Sony A6000 Sony a6400 A6300 A6500 A7 A7ii A7RII A7sii a7S
☆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
Mini rapid charger fully charges the NP-FW50 battery in approximately 60-90 minutes Foldable flat pin allows for compact and easy storage Smart
Wasabi Power NP-FW50 Battery Charger for Sony BC-VW1, BC-TRW and Sony ZV-E10, Alpha a6000, a6300, a6400, a6500, Alpha a7, a7 II, a7R, a7R II, a7S, a7S
Save Your Camera! Use a Wrist Strap - Alphatracks
Sony NP-FW50 Batteries: Charge 'em without AC Power - Alphatracks
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
SDNPFW50 Lithium-Ion Battery - Rechargeable Ultra High Capacity (1500 mAh 7.2V) - Replacement for Sony Np-fw50 Battery, White
Save Your Camera! Use a Wrist Strap - Alphatracks
Sony NP-FW50 Batteries: Charge 'em without AC Power - Alphatracks
Replacement Battery and Charger for Sony NP-FW50
