Product Review

Keenstone 6-Port Intelligent Charger for 3.7V Lithium RC Batteries
Advance individual charging method - charges each cell individually
Overcharge protection
Short-circuit protection
Light weight and super easy to use

Specifications:
Input: DC 5V, 0.5~2.5A
Output: DC 4.2V 2.4A
Battery Type: Lithium
Size: 52.7 x 32.6 x 13.53mm
Weight: 13g (not including wires and package)
Includes: 6in1 Mini Charger x1, 1ft Micro USB Cable x1,
Compatible with most Micro RC Helicopter & Airplane 1S Batteries:Syma X1, X4, X5C,X5, X5C, X5SC, X5SW ; Cheerson CX-30W and more

LED Status:
Red Lights on: currently charging
Red Lights off: charging complete

6Pcs 3.7V 720mAh 20C Lipo Batteries for Syma X5 X5C RC Quad Copters
This 3.7V 720mAh LiPO battery is a replacement battery.
It will give more PUNCH and ROBUST performance due to its higher current output and power.
Direct replacement battery for Syma X5, X5C, X5SC, X5SW and Cheerson CX-30W, no modification is needed.

Battery Features and Benefits
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

Retail package includes:
6 x 3.7V 720mAh LiPO rechargeable battery Direct replacement, no modification needed!
1x 6-Port Upgrade Black Charger

Compatible with these Syma models:
Syma X5
Syma X5C
Syma X5SC
Syma X5SW
Cheerson CX-30W