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1. General Information
1.1 Overview
UPower is a new energy storage inverter/charger that integrates utility charging, solar charging,
and AC output. The high-performance multi-core chip in the product with the advanced control
algorithm brings intelligent management of the system.
As a reliable industrial standard equipment, UPower has quick response speed and excellent high
transfer efficiency.
Intelligent adjustment of total charging current from both solar and utility, automatic adjustment is
realized via different working modes selection, which ensures to provide power energy supply
maximally.
The PV charging module adopts the up-to-date optimized MPPT tracking technology; it can quickly
track the PV array's maximum power point in any environment. The MPPT tracking speed and
energy transfer efficiency are quite high. The PV and AC charge current can be adjusted manually,
which can meet the total charge current limit function. PV & utility charge current ratio distribution.
Full electronic protection functions are available.
With a fully digital double closed-loop control, the AC-DC charging unit has extremely high
response speed and stability. A wide AC input voltage and charge current limitation can be set. This
module has complete protection functions at input and output.
The DC-AC inverter module is based on full digital and intelligent design. It adopts the advanced
SPWM technology, outputs the pure sine wave, and converts 24/48VDC to 220/230VAC, suitable
for AC loads of household appliances, electric tools, commercial units, electronic audio, and video
devices, etc.
With the Utility by-pass charging function, the utility module can provide a power supply to load
directly and charge the battery simultaneously. Under utility charge status, the user can choose
by-pass mode or inverter output mode. UPower series provides multiple power supply modes, such
as solar and utility, to maximize the use of green energy while ensuring electricity supply.
The display module is key for communication. The 4.2 inch LCD presents system status and
real-time data; the user can set work parameters easily by four buttons.
Features：
Full intelligent digital energy storage equipment
Adjustment function of Utility & Solar charging ratio to meet various applications
Advanced MPPT tracking technology, Max. tracking efficiency 99.5 %, Max. conversion
efficiency 98.5 %
Advanced all-digital control AC-DC charging modules to realize wide voltage input, high
efficiency, and high stability
Advanced SPWM technology to ensure maximum efficiency up to 95 %
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, and full load efficiency
up to 93 %
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High output voltage stability: when full load working in the working voltage range of battery,
output voltage
220V/230V±5%②, frequency 50/60±0.1 Hz; voltage& frequency optional
Advanced voltage, current, and power multi-loop control makes the DC-AC unit has good
dynamic response capability, high resistance to surge power, and high operational reliability
With the function of Utility & Solar charging ratio selection, and total charging current setting
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