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Product description

Why choose us ?

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Why choose us ?

Why choose us ?

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Product Description
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Product features

1.The highest efficiency is 98.3%
2.Dual MPPTs
3.RS232/RS485 Interface
4.IP65 Ingress Protection
5.High Surge Endurance
6.High Power Factor
7.Zero Export Function

Wisdom networking

1.Remote upgrade software/set parameters

2.APP monitoring power station

3.Fault diagnosis

 

Technical Data

Technical Data ES-3P3OK1G ES-3P33K1G ES-3P35K1G ES-3P4OK1G ES-3P5OK1G
Energy source Grid-connected PV Grid-connected PV Grid-connected PV Grid-connected PV Grid-connected PV
Input Side          
Max. DC Power(kW) 36 36 39.6 52 65
Max.DC Input Voltage(V) 1000 1000 1000 1000 1000
Start-up DC Input VoltagefV) 250 250 250 250 250
MPPT Operating Range(V) 200-850 200-850 200-850 200-850 200-850
Max.DC Input Current(A) 30+30 30+30 30+30+30 30+30+30 30+30+30+30
Number of MPPT/ Strings per MPPT 2/3 2/3 3/3 3/3 4/3
Output Side          
Rated Output PowerfkW) 30 33 35 40 50
Max.Active Power(kW) 33 36.3 38.5 44 55
Rated AC Grid Voltage(V) 380/400 380/400 380/400 380/400 380/400
AC Grid Voltage Range(V) 277^460 277^460 277-460 277-460 277-460
Rated Grid Frequency(Hz) 50/60 (Optional) 50/60 (Optional) 50/60 (Optional) 50/60 (Optional) 50/60 (Optional)
Operating Phase Three phase Three phase Three phase Three phase Three phase
Rated AC Grid Output Current(A) 43.5 48 50.7 58 72.4
Max AC Output Current^) 47.85 52.8 55.8 63.8 79.64
Output Power Factor >0.99 >0.99 >0.99 >0.99 >0.99
Grid Current THD <3% <3% <3W <3% <3%
DC Injection Current(mA) <0.5« <0.5« <0.5% <0.5% <0.5«
Grid Frequency Range 47-52/57-62 47-52/57-62 47-52/57-62 47-52/57-62 47-52/57-62
Efficiency          
Max. Efficiency 98.7% 98.7% 98.7% 98.7W 98.7%
Euro Efficiency 98.3» 98.3% 9B.356 98.316 98.3%
MPPT Efficiency >99% >99% >9996 >99% >99%

Details display

1.Full series IP65 protection degree, sufficient heat dissipation, adapt to harsh environment, high reliability. 

2.The whole machine adopts mold design and processing technology, including an upper cover and a bottom cover integrated heat sink.

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System diagram

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Practical application

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Our Factory

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Company Information

Registered Company in HK managed with foreign mentality.

Our China factory shall be the biggest sealed lead acid battery factory in Guangdong province, Foshan City.

Total site over 70000 square meter, construction land over 50000 square meter long.

Total investment value is over USD30 million.

Manufacture full range of three brand sealed lead acid rechargeable battery 2V, 4V, 6V, 8V, 12V and 14V series.

We control quality from the material production process of oxidation, plate production, to battery assembly

(including in-house plastic case injection& moulding dept).

ESG has in-house advanced Swiss ARL Spectrometer, Chemical Lab, Germany Digatron full set battery-testing

Laboratory Equipment& Digatron charge-discharge production system to ensure quality& support R&D.

ESG batteries are honourably recognized by UL and SGS, and also have CE mark.

ISO 9001-2000 And OHSAS 18001 Certified.

Annual sales turn over is over USD100 million.

Annual production capacity is over 20 million pieces and 1 million KVA power.


 

 

Packaging & Shipping

 

FAQ

Q1: What’s your payment terms?

A1:We accept almost all payment terms,such as T/T,L/C,DA,DP,Western Union,MoneyGram

Q2: OEM Service
A2: We can print your LOGO on Battery case , if your quantities reached 100PCS , We also can print your LOGO on Battery carton.

Q3: Warranty process.
A3:  We provide 1 ~ 5 years different warranty.

 

Certifications

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Buyer Feedback

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