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.Duty & taxes paid at delivery

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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: 480949079

Details

Battery capacity
850 Milliamp
Battery cell composition
Lithium
Brand
URGENEX
Number of batteries
5 Lithium
Recommended uses for product
Drone

⚡3.7V stable voltage output

🔋850mAh high-capacity power

🔌JST plug for seamless connectivity

Description

🚀 Power Up Your Drone Game — Never Miss a Flight!

COMPLETE POWER KIT - Includes 5 batteries, JST to Molex adapters, and a 5-port USB charger—everything to keep you airborne nonstop.
EXTENDED FLIGHT TIME - 850mAh capacity fuels longer drone adventures without frequent recharges.
LIGHTWEIGHT COMPACT - At just 19g and slim dimensions, it keeps your drone agile and ready for action.
RAPID SAFE CHARGING - Advanced tech enables quick charging anytime with zero memory effect—fly whenever inspiration strikes.
UNIVERSAL COMPATIBILITY - Fits top RC drones like MJX, Syma, Holy Stone, and Sky Viper with precise voltage and plug match.

The URGENEX 3.7V 850mAh Li-Po rechargeable battery pack is engineered for peak performance in popular RC drones like MJX, Syma, and Holy Stone. Featuring a lightweight 19g design, JST plug compatibility, and a rapid 5-port charger, this kit ensures extended flight times and hassle-free charging with no memory effect. Perfect for drone enthusiasts craving reliable power and seamless integration.

Specifications

ASIN	B08T9FB56F
Antenna Location	Drone
Battery Capacity	850 Milliamp Hours
Battery Cell Type	Lithium Polymer
Battery Weight	19 Grams
Best Sellers Rank	#164,575 in Toys ( See Top 100 in Toys ) #415 in RC Batteries
Brand	URGENEX
Customer Reviews	4.3 4.3 out of 5 stars (687)
Item Weight	0.04 Pounds
Manufacturer	URGENEX
Model Name	x400,x800
Number of Batteries	5 Lithium Polymer batteries required. (included)
Reusability	Rechargeable
UPC	607604398801
Unit Count	1.0 Count
Voltage	3.7 Volts

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