This 3.7V 720mAh 20C Lipo Replacement Batteries for Syma X5,X5C,X5SC,X5SW and Cheerson CX-30W RC Quadcopters,no modification is needed.
It will give more PUNCH and ROBUST performance due to its higher current output and power.

BATTERY SPECIFICATION:
Capacity: 720mAh
Voltage: 3.7V
Watt-Hour: 2.7Wh
Single Battery Weight: 0.6 oz
Single Battery Size: 1.68 x 0.96 x 0.32 inch
Continuous discharge rate:20C
Size:43mm*25mm*8.5mm

Battery Compatible with these models:
Syma X5
Syma X5C
Syma X5C-1
Syma X5SC
Syma X5SC-1
Syma X5SW
Syma X5SW-1
UDI U45
Cheerson CX-30W

This 6 in 1 Intelligent Charger for 3.7V Lithium RC Batteries,charging 6 batteries at one time,save your time.
Battery Charger Specifications:
Input: DC 5V
Size: 1.81 x 1.38 x 0.53 inch
Net Weight: 0.39 oz

Battery Charger Features:
Advance individual charging method - charges each cell individually
Overcharge protection
Short-circuit protection
Light weight and super easy to use

LED Status:
Red Lights on: currently charging
Red Lights off: charging complete
So when you find the light is not bright,pls don't angry.Maybe batteries are fully.

Caution:
.The battery is charged and discharged once every 3 months in the long-term storage process to keep the battery activity.
.Stop using when it expends or the temperature is over 70°C.
.Don't over-charge, or over-discharge batteries.
.Do not bump,disassemble, short circuit and put the battery in fire or water.

PACKAGE INCLUDED:
6 * lipo rechargeable battery
1 * X6 battery charger
1 * USB charging cable

• ●Longer Flight Time:Capacity of 720mAh can bring you longer flying time than the original 500mAh battery,Upgraded battery offers more power,more safety and higher performance for your quadcopter.
• ●Batteries are Suitable for: Syma X5,X5C,X5C-1,X5SC,X5SC-1,X5SW and Cheerson CX-30W UDI U45 RC Quadcopter,no modification necessary.
• ●6 in 1 Multi Output Charger:Voltage input:DC 5V; Voltage output: 4.2V ,charging 6 batteries at one time,save your time,with built in protection IC,over charge protection short circuit protection,this charger compatible with most Micro RC Quadcopter batteries: UDI U815, U816,U816A,U818A; Wltoys V929, V949, V959; Syma X1,X4,X5,X5C,X5SC,X5SW; MJX T04, T05, F28, F29; Hubsan H111, H107L, H107C, H107C-HD, H107D and more.
• ●Quality Guarantee:Batteries come equipped with built-in protection mechanism for safe charging and use.
• ●Numbering Space:Dedicated space for battery numbering,allow for easy management,you can keep track of what is charged and what needs to be charged.

●Longer Flight Time:Capacity of 720mAh can bring you longer flying time than the original 500mAh battery,Upgraded battery offers more power,more safety and higher performance for your quadcopter.ECOGREEN