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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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

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 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 compatibility

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VT10052

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Description

🚀 Power your drone flights to new heights with URGENEX precision energy!

RAPID RECHARGE TECH - Advanced LiPo chemistry enables quick charging anytime—no memory effect, no downtime.
TRUSTED RELIABILITY - Highly rated by 700+ users for consistent performance and backed by responsive customer service.
EXTENDED FLIGHT TIME - 850mAh capacity fuels longer drone adventures without frequent swaps.
LIGHTWEIGHT POWERHOUSE - At just 19g, it maximizes flight efficiency without weighing your drone down.
PRECISION COMPATIBILITY - Designed to fit top RC drones like MJX, Syma, Holy Stone, and Sky Viper with exact JST plug connection.

The URGENEX 3.7V 850mAh LiPo rechargeable battery with JST plug is engineered for popular RC quadcopters, delivering reliable, lightweight power with fast recharge capabilities and no memory effect. Perfectly sized and compatible with leading drone models, it ensures extended flight times and hassle-free swaps, making it a must-have for serious drone enthusiasts.

Specifications

ASIN	B08T9FB56F
Antenna Location	Drone
Battery Capacity	850 Milliamp Hours
Battery Cell Composition	Lithium Polymer
Battery Cell Type	Lithium Polymer
Battery Weight	19 Grams
Best Sellers Rank	#70,450 in Toys & Games ( See Top 100 in Toys & Games ) #277 in Hobby Remote & App Controlled Vehicle Batteries
Brand	URGENEX
Customer Reviews	4.3 out of 5 stars 709 Reviews
Item Weight	0.04 Pounds
Manufacturer	URGENEX
Model Name	x400,x800
Number of Batteries	5 Lithium Polymer batteries required. (included)
Recommended Uses For Product	Drone
Reusability	Rechargeable
UPC	607604398801
Unit Count	1.0 Count
Voltage	3.7 Volts

Reviews

C**N

7.02.2026

J**H

18.06.2025

S**.

30.09.2025

B**S

29.01.2022

J**A

2.08.2025

S**S

1.02.2026

B**5

5.05.2025

P**Z

22.03.2026

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VT10052

Duties & taxes included

In stock

Sold byAmazon VanuatuDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Vanuatu.

Secure transaction

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