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?

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

Powerextra 2 Pack Replacement NP-FW50 Battery & Smart LCD Display Dual Channel Charger for Sony Alpha a6500, a6300, a6000, a7, a7s, a5100, a5000, a7r, a7 ii Cameras : Electronics

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, A6500, A6300, A6000, NEX-3, NEX-5, 2 Pack

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

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

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

Replacement Battery and Charger for Sony NP-FW50

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

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

【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

Sony NP-FW50 battery for A7/A7II/A7R, A5100, NEX6, A6000 Cameras

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

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

NP-FW50

Open Box 2.1mm to Sony NP-FW50 Type Dummy Battery Cable (8)