Why wasn't a USB cable for the charger sent? I have no way to charge these batteries without the cable shown in the pic.

https://www.amazon.com/BosLi-Po-Battery-Charger-Interface-Charging/dp/B0B81HWY4F/ref=sr_1_42?keywords=lipo+charger&qid=1690263193&sr=8-42

Will these work for a blade 120sr?

Dear customer, Thanks for your inquiry. The paramete: size: 43.8*24.6*9.6mm/1.7*0.96*0.37inch; Weight:0.67oz; Capacity: 850mAh; Volt: 3.7V. Only if the voltage, dimension and the plug match, then it will fit. Hoping we could help you a lot. As a responsible seller, URGENEX always insists customer first and offers one year warranty. If you have any question, please don't hesitate to contact us. Our customer service team will always be here to serve for you.

These will power an a6 gps drone ?

Flight time would be limited since the a6 has 1600 mah and these are 850 mag. But they are the same voltagw

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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3.7V Lipo 850mah Rechargeable Lipo with JST Plug X5 Charger for MJX Syma Holy Stone Sky Viper RC Quadcopter Drone X56W X400 X400W X300C X400C X800 HS110 HS200 S670 V950hd S1750 V2450

Product ID: 315189790

Details

Battery Capacity
850
Battery Cell Composition
Lithium
Brand
URGENEX
Number of Batteries
5 Lithium
Recommended Uses For Product
Drone

⚡850mAh high-capacity power

🔋3.7V stable voltage output

🔌JST plug for seamless compatibility

Description

🚀 Elevate your drone game with power that won’t quit!

UNIVERSAL DRONE FIT - Compatible with top brands like MJX, Syma, Holy Stone, and Sky Viper for ultimate versatility.
LIGHTWEIGHT CHAMPION - At just 19g, it keeps your drone agile and ready for action.
POWER UP YOUR FLIGHT - 850mAh capacity fuels longer drone adventures without compromise.
PLUG PLAY PRECISION - JST connector ensures effortless, secure battery swaps—no downtime.
FAST CHARGE ZERO WAIT - Advanced tech eliminates memory effect—charge anytime, fly faster.

The URGENEX 3.7V 850mAh LiPo rechargeable battery with JST plug is engineered for popular RC drones including MJX, Syma, Holy Stone, and Sky Viper models. Lightweight at 19g and compact in size, it delivers reliable, high-capacity power with fast charging and no memory effect, ensuring your drone stays airborne longer and ready to go whenever you are.

Specifications

ASIN	B08T9FB56F
Antenna Location	Drone
Battery Capacity	850 milliamp_hours
Battery Cell Type	Lithium Polymer
Battery Weight	19 g
Best Sellers Rank	#229,413 in Toys & Games ( See Top 100 in Toys & Games ) #1,220 in Hobby Remote & App Controlled Vehicle Batteries
Brand	URGENEX
Customer Reviews	4.4 4.4 out of 5 stars (726)
Item Weight	18.14 g
Manufacturer	URGENEX
Model Name	x400,x800
Number of Batteries	5 Lithium Polymer batteries required. (included)
Reusability	Rechargeable
UPC	607604398801
Unit Count	1 Count
Voltage	3.7 volts

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