Hundreds of lithium polymer (LiPo) battery balance chargers in the market, but not much has changed for a while, the same user interface and the same programming codes reused. Radiolink, a leading radio manufacturer is among the few that has taken the lead to change the way we charge with the CP620 hybrid charger. This round reprogram to improve efficiency and lower consumption for today's electric RC.



First Impression, an interesting charge methodology. The CP620 starts charging through the main power cable with the maximum 30A in series at the suitable charge rate, once any cell is fully charged, it will then automatically changed to the independent balance charge mode charging through the balance port. This increases the charge efficiency. With a charge current of 30A, you have a maximum current of 6A for each cell to optimize the charge.

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User Segment
Hard Core Electric Hobbyist, Beginners, Park Flyers, Commercial Events, Budget ($149 source: August 2016 Price Check)

Factory Specifications

• Model No.: CP620
• Item Name: Hybrid Balance Charger
• Input voltage: 10.5~30V
• Power output: 750w
• Charge current: max 30A
• Balance current: max 6A
• Discharge current: 0.1~3A
• Compatible battery type: 1~6S LiPo/1~16NI-MH/ lead-acid cell, nickel-cadmium cell and the lithium-ion battery
• Lithium charging mode: mixed charging, large current series charging, independent balance
• Voltage accuracy: 0.001V
• Charge port: 2 ports, automatically charging in cycle mode
• Working mode: cycle/alternate/discharge/storage mode

1. Faster
CP620 starts max 30A series charging through power wire and then automatically change to independent balance mode that charging through balance wire once any cell is full, six independent power supply integrated ensure max 6 cells charging for each port, the max charging
current for each cell will be up to 6A, 12 times of the present max balance current 0.5A. A 5000mAh battery takes 15 minutes only.

2. Precise
Voltage precision is 0.001V. By using Radiolink patent independent technology, 20 times of the average data, prolong the battery life.

3.High efficiency
Charging efficiency can up to 97%. 135mA working current ensure the temperature of CP620 always less than 30 degree no matter standby or full power charging.
The discharge wattage is 75W
Discharge current: 3A@6S; 5A@3S

4.Safe
(1)Power protection
Wrong input protection, even the charger is connected with power source by wrong polarity, the unit will not be damaged. When the input voltage goes down than 11V, the unit will automatically adjust current to hold the battery voltage, which protects power source when connect with autos.

(2)Battery protection
Wrong input protection for every port, it will not damage the battery or the charger when connected with wrong polarity or cut the power supply.

(3)Temperature monitoring
It will start alarming when the temperature goes to the preset data, the unit will automatically lower power output.

5.Majordomo
Integrate 2 ports charger, automatically charging 2 groups battery. Six independent power supply ensure every group with max six cells battery charging and the max balance current of every single cell is up to 6A.

Similar Models
Users have considered these 2016 alternatives: Users have considered these 2016 alternatives: Eachine GERMINI 2100, iCharger 406 , SkyRC D100, Extreme Dual 200W





In terms of ranking, I would say it is in the top 5 favorites during this season, recorded on August 2016. Subject to change weekly.

Tests in Progress, Be Back with videos. source: http://youtube.com/diydrone
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Contribution by the DroneMission.com R&D Team

I am pleased to see resistant is measured on the cp620

Just for info there is already a thread on this product started by the Banggood rep.

https://www.rcgroups.com/forums/show....php?t=2710411

Leo, great i hear you were asked to review the CP620 by Tobey, look forward to the videos and detail shots.

I was wondering if charging two LiPo at the same time will take longer, let me know how it goes.

Originally Posted by surfrc

Leo, great i hear you were asked to review the CP620 by Tobey, look forward to the videos and detail shots.

I was wondering if charging two LiPo at the same time will take longer, let me know how it goes.

Hey yes. We did not asked for it, but it came to office for an independent review, test and video shoot. We did not get to try out the Eachine Gemini dual charger, so this is new, we will report on our findings. Cheers!

This looks like an awesomely good charger. Look forward to the reviews and feedbacks. Sub!

Mine arrived today. Not had a good chance to run it through it's paces.

I did test the input voltage and it alarms at 30.4V so unlike it's little brother the CB86-Plus this one can run on a +/- 5% 30V PSU. The CB86 is hard at 15.0V needing a less than 15V PSU to run.

Not a fan of white font on green background. See screenshot.

[edit]. I'm moving to the main thread https://www.rcgroups.com/forums/show....php?t=2710411
I will not respond here.[/edit]