NK-GP1500 User’s Manual 7
Shenzhen Huangjintai Electronic Co.Ltd 11/16/2012
■ Charging Features
Battery type：Maintenance free lead-acid battery
Battery Voltage:24V DC
Charging current:15A
Charing time: 8h ≥90%（80A maintenance free lead-acid battery）
Floating charge voltage: 27.6VDC±0.3V
Over-charge voltage: 28.2V
AC input voltage: 145VAC±5V-275VAC±5V
■ Protection Features
DC low voltage protection: DC20±1V
DC over voltage protection: DC32±1V
Over-heat protection: 90±10℃
AC input low voltage protection: 145VAC±5V
AC input over voltage protection: 275VAC±5V
Short-circuit protection: Flashing and shut down after 1S.
Over-load protection:120% of rated power, restart after 30S
150% of rated power,shut down after 10S
200% of rated power,shut down after 1S
■ Features of Solar Controller
Solar panel input range: DC30V-DC50V
The rated voltage of solar input: DC36V
Rated power of solar solar input: 720W
Floating charge voltage: 27.6V
Charging current: 30A
Charge efficiency:>96%
■ AC/Solar complementary functions:
1、 In AC mode, it can stabilize the output voltage, and
ensure the output is standard pure sine wave. It is
particularly important for the area with problem of voltage
instability.
2、 When there is solar energy, and the battery voltage is
relatively high (to the appointed voltage). This product goes
to the inverter mode intelligently. The solar will provide
power to the load directly and charge to the battery
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