This 4 port charger has overcharging protection and short circuit protection built in. Each battery charges on its own individual circuit. Therefore, you can charge batteries of varying charge states without worrying about overcharging. These safety features are reassuring. The red LED's glow when charging and go dark letting you know the battery is fully charged.
Always keep an eye on any batteries when charging. Placing the whole setup in a metal bucket or something similar is a good idea just in case. Then You can enjoy more flight time.
Voltage Input: DC 5V; Max Current Input:2.5A
Voltage output: 3.7V; Current output: 500mAh
Charging Time:about 50-60 minutes
Compatible with RC Quadcopter Battery with all 3.7V Batteries:
Holy Stone?HS110 HS200 HS170 HS170C F180C F181 X300 X400 M68R
Hubsan: H107 H107L H107C H107D H111
Syma:X1,X4, X5 X5C X5C-1 X5SC X5SW
UDI: U818 U816 U816A U815 U830
Wltoys: V202 V252 V929 V939 V959
MJX:T04, T05, F28, F29
JJRC: 1000A 1000B 5000
JXD:385 388 392 FY: FY310 FY310B
DFD: F180 F180C
1x Holy Stone 4-In-1 Intelligent Charger
1x USB Charging Cable
4x Adapter Cables
1)Charging indicator red LED light indicates battery is charging.
2)You can't charge the batteries with higher output voltage like 7.2V 7.5V .
3)It works with wall charger with 5V input voltage like iphone plug.
Q & A:
Why is the light off?
1:The battery is fully charged.
2:The incoming input is not enough for some of them.
3:The output voltage is too low or too high.
CAPACITY : Fast Battery Charger for 5 3.7v batteries at the same time
CONVENIENCE : Could be used with android or iphone adapter,USB Port Connecting with Computer or Adapter
INTELLIGENCE : Charging Indicator Light Shows Charging Status
SAFETY : Over Charge Protection and Short Circuit Protection
NOTICE : Max Current Input:2.5A;Safe Current Output:500mah