What size inverter and battery do I need to beat load shedding?

For a typical South African home running lights, Wi-Fi, a TV and a fridge, a 3kW–5kW inverter paired with a 5kWh lithium battery covers essentials for several hours. Larger homes or those running geysers and pumps need an 8kW+ hybrid inverter and 10kWh or more of battery storage.

How much does a load shedding backup kit cost in South Africa?

Entry-level inverter-and-battery load shedding kits start from a few thousand rand, while complete hybrid solar systems with panels and lithium batteries range higher depending on capacity. Solar Power Space stocks options across budgets, with free shipping within South Africa on orders above R55,000 and all prices including VAT.

Do you deliver solar products across South Africa?

Yes. Solar Power Space delivers nationwide across all nine provinces from its base in Upington, Northern Cape. Orders above R55,000 qualify for free shipping within South Africa.

What is the difference between a hybrid and an off-grid solar inverter?

A hybrid inverter connects to the grid and batteries at once, charging from solar or Eskom and switching to battery during load shedding. An off-grid inverter runs entirely on solar and battery with no grid connection, suited to remote sites with no Eskom supply.

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Sunsynk 5kW 48V Single Phase Hybrid Inverter

Name: Sunsynk 5kW 48V Single Phase Hybrid Inverter
Price: 17899.00 ZAR
Availability: InStock

Original price was: R19 100,00.Current price is: R17 899,00.

Sunsynk 5kW 48V Single Phase Hybrid Inverter

~ Please contact us for a final quote ~

~ Installation is not included ~

This product must be installed by a qualified electrician/technician. All installations must adhere to local wiring regulations and standards. Solar Power Space RSA will not be held liable for any product malfunctions as a result of incorrectly installed systems.

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Description
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Description

Sunsynk 5kW Hybrid Inverter (SYNK-5K-SG03LP1) – Smart Power Management

The Sunsynk 5kW Hybrid Inverter is the ultimate power management tool, designed to efficiently balance energy from multiple sources — including solar panels, batteries, mains grid, and generators. With its advanced multi-core processor, dual MPPT technology, and flexible operating modes, this inverter helps you achieve energy independence and cost savings with ease.

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Built tough with an IP65 weatherproof rating and backed by a 5-year warranty, it’s ideal for homes, businesses, and specialized applications such as marine vessels, military sites, telecommunications, and remote locations powered by solar or wind.

Key Benefits

Hybrid functionality – Works grid-tied, off-grid, or as a backup system.
Dual MPPT – Maximize solar efficiency even in mixed conditions.
High efficiency – 97.6% max efficiency, >99% MPPT efficiency.
Programmable export & operating modes – Grid-tie, Hybrid, Off-grid, Battery-only.
Comprehensive protection – Built-in surge, overload, reverse polarity, and lightning protection.
Versatile applications – From residential power shedding to industrial and marine setups.
Certified & compliant – NRS 097, COCT, IEC, VDE, CEI, AS4777, and more.

Technical Specifications

Category	Details
Model	SYNK-5K-SG03LP1
Battery Type	Lead-acid / Li-Ion
Battery Voltage Range	48Vdc (40V–60V)
Max. Charge/Discharge Current	120A
Charging Curve	3 Stages / Equalization
External Temperature Sensor	Yes
Charging Strategy (Li-Ion)	Self-adapts to BMS
PV Input
Max. DC Input Power	6500W
PV Input Voltage	370V (125V–500V)
MPPT Range	150V–425V
Full Load DC Voltage Range	300V–425V
Start-up Voltage	125V
PV Input Current	13A + 13A
MPPT Trackers	2
Strings per MPPT	1+1
AC Output
Rated AC Output / UPS Power	5000W
Max. AC Output Power	5500W
Peak Power (Off-grid)	2 × rated power (10s)
Rated AC Current	22.7/21.7A
Max. AC Current	25/23.9A
Max. AC Passthrough	35A
Power Factor	0.8 leading → 0.8 lagging
Output Frequency / Voltage	50/60Hz; 220/230V (single-phase)
Grid Type	Single-phase
THD	<3%
DC Current Injection	<0.5% ln
Efficiency
Max. Efficiency	97.6%
Euro Efficiency	96.5%
MPPT Efficiency	>99%
Protection
Lightning, Reverse Polarity, Short Circuit	Integrated
Anti-islanding	Integrated
Residual Current Monitoring	Integrated
Surge Protection	DC Type II / AC Type II
Over Voltage Category	DC Type II / AC Type III
Certifications
Standards	VDE4105, IEC61727/62116, VDE0126, AS4777.2, CEI 0 21, EN50549-1, G98, G99, UNE217002, NBR16149/16150
Safety / EMC	IEC/EN 62109-1, IEC/EN 62109-2, IEC/EN 61000-6-1/2/3/4
South Africa	NRS 097 Certified, COCT Approved
General Data
Operating Temperature	-40°C ~ 60°C (>45°C derating)
Cooling	Smart cooling
Noise	<30 dB
Communication	RS485, CAN (BMS compatible)
Weight	20.5kg
Dimensions	330W × 580H × 232D mm
Protection Rating	IP65
Installation Style	Wall-mounted
Warranty	5 Years

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Recommended Applications

Marine – Vessel power management
Residential / Commercial – Load shedding & UPS backup
UPS Systems – Fuel-saving power solutions
Remote Locations – With solar and wind generation
Building Sites & Telecoms – Reliable power in challenging environments
Military Sites – Rugged, secure energy supply

Important Installation Notice:
All Sunsynk products must be installed by qualified professionals according to local electrical standards. Incorrect installation may result in system failure and void warranties. Rugged Solar Inverters in Northern Cape (Kimberley, Upington), Smart Power Systems in Western Cape (Cape Town, Stellenbosch, Paarl), Sunsynk 5kW Inverter in Namibia, Botswana, Zimbabwe, Mozambique, Lesotho, Eswatini, Hybrid Inverters for Southern Africa – Residential & Commercial