Comparison APC Back-UPS 850VA BE850G2-GR 850 VA vs APC Back-UPS 850VA BE850G2-RS 850 VA

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	APC Back-UPS 850VA BE850G2-GR 850 VA	APC Back-UPS 850VA BE850G2-RS 850 VA
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Main	USB-C and USB A ports for charging gadgets.	Eight euro sockets. USB-C and USB A ports for charging gadgets. Manage and monitor status through the PowerChute Personal Edition application.
Type	back	back
Form factor	regular (extension)	regular (extension)
Full load operating time	2.3 min	2.3 min
Half load operating time	9.8 min	9.8 min
Switching to battery	6 ms	6 ms
Input
Input voltage	1 phase (230V)	1 phase (230V)
Input voltage range	180 – 266 V	180 – 266 V
Max. current	6 A	6 A
Bypass (direct connection)	is absent	is absent
Output
Output voltage	1 phase (230V)	1 phase (230V)
Peak output power	850 VA	850 VA
Rated output power	520 W	520 W
Efficiency	99.3 %	99.3 %
Output waveform	similar to a sinusoid (approximated)	similar to a sinusoid (approximated)
Output frequency	47 – 63 Hz	47 – 63 Hz
Redundant sockets	6	6
Non-redundant sockets	2	2
Socket type	type F (Schuko)	type F (Schuko)
Charging USB A ports	1 /2.4 А/	1 /2.4 А/
USB-C for charging	1 pcs	1 pcs
Battery
Total battery capacity	9 Ah	7.7 Ah
Number of batteries	1	1
Battery type	GEL ( filled with gel)	GEL ( filled with gel)
Full charge time	960 min	960 min
Cold start
Protection
Protection	short circuit protection overload protection noise filtering data line protection sound alarm	short circuit protection overload protection noise filtering data line protection sound alarm
Fuse	auto	auto
Surge protection	310 J	310 J
Control interfaces	USB	USB
General
Operating temperature	0 – 40 °C	0 – 40 °C
Noise level	45 dB	45 dB
Dimensions (HxWxD)	120x365x130 mm	120x365x130 mm
Weight	4.5 kg	4.5 kg
Added to E-Catalog	august 2022	december 2019

Total battery capacity

The capacity of the battery installed in the UPS. For models with multiple batteries, this is both the total working capacity and the capacity of each individual battery: the batteries in such devices are usually connected in series, so that their total capacity corresponds to the capacity of each individual cell.

Theoretically, a higher battery capacity means the ability to power loads of a given capacity for longer. However, in fact, this parameter is more of a reference than practically significant. The fact is that the actual amount of energy stored by the battery depends not only on the capacity in amp-hours, but also on the voltage in volts; this voltage is often not specified in the characteristics, despite the fact that for accurate calculations it must be known. So when choosing, you should focus on more "close to life" characteristics — first of all, on the directly claimed operating time in different modes (see above).

Cold start

The ability to turn on the uninterruptible power supply in the "cold start" mode.

A cold start is a turn-on mode in which there is no external power, and the load connected to the UPS is powered immediately from the uninterruptible battery (which, of course, must be charged). This mode is especially useful in emergency cases — for example, if you urgently need to print a document, but there is no light.