This is the latest inverter/charger from Victron Energy, it has all the features of the more expensive 3 kVA MultiPlus but with a lower output and a lower price.

View Spec Sheet

MultiPlus:24/2000/50
PowerControl:Yes
PowerAssist:Yes
Transfer switch (A):50
Parallel and 3-phase operation:Yes

Inverter: Input voltage range (V DC): 9,5 – 17 V ; 19 – 33 V
Output: Output voltage: 120 VAC ± 2% ; Frequency: 60 Hz ± 0,1% (1)
Cont. output power at 75 °F (VA) (3): 2000
Cont. output power at 75 °F (W): 1600
Cont. output power at 100 °F (W): 1450
Peak power (W): 4000
Maximum efficiency (%): 92
Zero-load power (W): 9
Zero load power in AES mode (W): 7
Zero load power in Search mode (W): 3

Charger:
AC Input:Input voltage range: 95-140 VAC ; Input frequency: 45 – 65 Hz ; Power factor: 1
Charge voltage 'absorption' (V DC):14,4
Charge voltage 'float' (V DC):13,8
Storage mode (V DC):13,2
Charge current house battery (A) (4):80
Charge current starter battery (A):4
Battery temperature sensor:Yes

General:
Auxiliary output (5):N.A.
Programmable relay (6):Yes (1x)
Protection (2):a - g
VE.Bus communication port:For parallel and three phase operation, remote monitoring and system integration
General purpose com. port (7):N.A.
Remote on-off:Yes
Common Characteristics:Operating temp. range: 0 - 120°F (fan assisted cooling) ; Humidity (non condensing): max 95%

Enclosure: Common Characteristics:Material & Colour: aluminum (blue RAL 5012) ; Protection category: IP 21
Battery-connection :M8 bolts
120 V AC-connection:Screw-terminal 6 AWG (13mm²)
Weight:13kg 25 lbs
Dimensions (hxwxd in mm and inches): 520 x 255 x 125 mm 20.5 x 10.0 x 5.0 inch

Standards:
Safety:EN 60335-1, EN 60335-2-29
Emission Immunity:EN55014-1, EN 55014-2, EN 61000-3-3
1) Can be adjusted to 60 HZ; 120 V 60 Hz on request
2) Protection key:
Output short circuit
Overload
Battery voltage too high
Battery voltage too low
Temperature too high
230 VAC on inverter output
Input voltage ripple too high
3) Non linear load, crest factor 3:1
4) At 75 °F ambient
5) Switches off when no external AC source available
6) Programmable relay that can a. o. be set for general alarm,DC undervoltage or genset start/stop function
AC rating: 230V/4A
DC rating: 4A up to 35VDC, 1A up to 60VDC
7) A. o. to communicate with a Lithium Ion battery BMS