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?
JYJZPB Np-fw50 Camera Battery Replacement and Dual Battery Charger for Sony A6000 Sony a6400 A6300 A6500 A7 A7ii A7RII A7sii a7S
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
2.5 Hours Fast Charging. This NP-FW50 battery has a Type-C charging port. Not only you can get a fully charged battery in 2 hours, but also you can
K&F Concept 1100mAh NP-FW50 Battery with Type-C Fast Charging for Sony ZV-E10, Alpha 7, A7, A7II, A7RII, A7SII, A7S, A7S2, A7R, A7R2, A5000, A6400
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
【Powerful Battery Capacity】Two 7.4V Li-ion 1950mAh batteries, professional replacement of Sony NP-FW50 batteries. Designed specifically for your
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
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)
Sony NP-FW50 Batteries: Charge 'em without AC Power - Alphatracks
Np-fw50 Battery 2-Pack and Charger for Sony Alpha A7, A7 II, A7R, a7R II, a7S, A
Replacement Battery and Charger for Sony NP-FW50
Powerextra NP-FW50 Battery and 3 Channel Charger LCD Display Compatible with Sony ZV-E10 A6000 A6500 A6300 A7 A7II A7SII A7S A7S2 A7R A7R2 A7RII A55 A510 RX10 RX10II Camera : Electronics
High Capacity of 1500mAh Can Meet your Daily Use and Travel Needs., Description, For Sony NP-FW50 Replacement Battery, Powerful Battery Capacity
Sony NP-FW50 Replacement Battery and Dual Battery Charger
High Capacity of 1500mAh Can Meet your Daily Use and Travel Needs., Description, For Sony NP-FW50 Replacement Battery, Powerful Battery Capacity
Sony NP-FW50 Replacement Battery and Dual Battery Charger
TWO IPAX Battery + Home&Wall Charger + Car Plug for Sony NP-FW50 Alpha
【More Power for More Shots】A fully charged 1500mAh NP-FW50 battery prolongs your camera's runtime to capture more photos and shoot longer videos.
FirstPower NP-FW50 Battery 3-Pack and Triple Slot Charger for Sony Alpha A6000 A6300 A6400 A6500 A7 A7II A7RII A7SII A7S A7S2 A7R A7R2 A5100 A5000
Sony NP-FW50 Batteries: Charge 'em without AC Power - Alphatracks