SAJ H2 5–12kW Low Voltage Single Phase Hybrid Inverter

Onduleur hybride monophasé basse tension H2-5k~12k

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Technical Specifications

AC Power	5kW - 12kW
Inverter Type	Onduleur hybride
MPP Voltage Range	90 – 480 Volt
MPP Tracker	2
Phases	1
Communication	RS485, RS232, CAN, Wi-Fi, Ethernet, 4G
Pieces per Package	1 per carton, 10 per pallet
Garantie	5 years (extendable to 10 years)

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Product Description

SAJ H2 5 – 12 kW Low-Voltage Hybrid Inverter (LS2)

Single-phase hybrid inverter for entry-level storage markets.
20 A string current, 200 % DC oversizing and dual-MPPT architecture harvest more power while a built-in meter enables zero-export control. Up to four units can run in parallel, delivering seamless 20 ms UPS backup, generator charging and smart-load management – all in a compact 29 kg IP65 chassis.

Design

Size	590 × 380 × 241 mm
Weight	29 kg
Cooling	Intelligent fan < 50 dB
Enclosure	Aluminium, IP 65

PV & AC Specs

Rated AC Power	5 / 6 / 7.6 / 8 / 10 / 12 kW
Max PV Power	10 – 24 kW DC (200 %)
MPPT Trackers / Strings	2 × 1 (90 – 480 V, 20 A ea.)
Grid Output	L N PE, 220/230/240 V
UPS Backup	5 – 12 kVA, < 20 ms transfer
Efficacité maximale	97.6 %
THD (grid)	< 3 %

Battery Specs

Chimie	48 V Lead-acid or LiFePO₄
Voltage Range	40 – 60 V
Max Charge / Discharge	100 A (5 – 8 kW) / 120 A (10 – 12 kW)
Round-trip η	up to 96.6 %

Smart Functions

Self-Use, TOU, Backup & Generator/Smart-Load modes
Built-in meter for zero-export & CT limit control
Parallel up to 4 units on-grid or off-grid
AFCI (optional) & rapid shutdown ready
Bluetooth LCD + Elekeeper app; Wi-Fi / Ethernet / 4G cloud & OTA updates

Safety & Compliance

DC switch, Type II AC & DC SPDs, RCMU, GFCI & DCI
Active anti-islanding, AC short-circuit & overload protection
Certified to EN 62109-1/2, AS 4777.2, VDE-AR-N 4105, CEI 0-21 and more

Install & Service

Wall-mount bracket, terminal-block PV / AC / battery
Smart-meter & CTs included; parallel & generator terminals onboard
Commission in minutes via Elekeeper app
Global SAJ service network

Garantie

Standard Cover	5 years
Extension Options	10 ans

Product Resources

Download the latest user manual & datasheet:

R5-0.7K-3K-Single-Phase-On-grid-Invereter-Datasheet (7340 téléchargements ) R5-(0.7K-8K)-S2-15_User_Manual_en User Manual (11293 téléchargements )

Product Video Showcase

Watch our product demonstrations and tutorials

SAJ H2 5-12k LS2 Open inside

SAJ Next-Generation H2 LV Hybrid Inverter

SAJ H2 5-12k LS2 Battery parameters setting

SAJ H2 5-12k LS2 Grid standard setting

SAJ H2 5-12k LS2 B3+H2LV installation

SAJ's beautiful and stunning case reference in Sweden - 2023 - EN

Application Scenarios

Discover how this product can be used in different real-world scenarios

Urban Home Office: Quiet Backup for Work & Study

Who it’s for: Apartments or townhouses that need a silent backup for laptops, Wi-Fi, lights, and a fridge while working from home.

Why H2-5k~12k fits: Single-phase hybrid design, wall-mount IP65, low-voltage battery compatibility (40–60 V). Fan noise is low, suitable for indoor utility corners.

Suggested backup pack (example):

Load	Puissance	Hours/day
LED lighting (2–4 rooms)	120–200 W	4–6 h
Wi-Fi router + CCTV	25–45 W	24 h
Laptop / small PC	60–120 W	6–10 h
Fridge (inverter type)	90–150 W avg	24 h (duty)

3 quick steps:

Move essential sockets to the BACK-UP sub-circuit; label clearly.
Set a reserve SOC (e.g., 25–30%) so evening outages still have power.
Run a 2-minute outage test; confirm seamless transfer and load order.

“Power blinked during a call—laptop and Wi-Fi stayed up. No interruption.” — Home worker feedback

H2-5k-12k-low-voltage-hybrid-inverter-application-Urban Home Office

Suburban House with TOU Tariffs: Cut Bills with Simple Scheduling

Who it’s for: Detached houses with 5–10 kW PV looking to shift energy from cheap night rates to the evening peak.

Typical setup: PV 5–10 kW on 2 MPPTs; battery 8–15 kWh (low-voltage pack); backup branch for lights, IT, and a fridge.

How savings happen (simple plan):

Charge (off-peak):  00:00–05:00
Daytime:            PV → House; surplus → Battery
Discharge (peak):   18:00–22:00
Reserve SOC:        25–30%

2 MPPTs handle east/west or south split roofs cleanly.
Use the app to adjust times each season as daylight shifts.
Keep heavy appliances (oven, large compressor) on non-backup.

Component	Recommended	Reason
PV array	5–10 kW	Covers daytime base load + charges battery
Battery	8–15 kWh	2–4 h peak shaving
Mode	Self-Use + TOU	Automated schedule; easy to tweak

Tip: Check the app’s daily report; if the battery often sits full at noon, slightly extend peak discharge or increase evening loads like laundry.

H2-5k-12k-ls2-hybrid-inverter-application-Suburban House

Small Retail / Clinic (Single-Phase): Keep Sales & IT Online

Who it’s for: Street-level shops, clinics, or cafés that run POS, lights, a small fridge, and basic IT—wanting steady service during short grid issues.

Recommended kit:

PV 6–10 kW split across 2 MPPTs (east/west or south split)
Battery 10–16 kWh for evening hours
Backup branch: POS, lighting, router/CCTV, small freezer

Energy flow (typical day):

Time block	Flow	Note
Morning–Afternoon	PV → Loads; surplus → Battery	Covers base load while open
Evening	Battery → POS, lights, IT	Smooth checkout during peak
Outage	Seamless backup output	No reboot on POS/router

Quick continuity checklist:

Label backup vs non-backup circuits at the board.
Keep high inrush appliances (big compressor, ovens) on non-backup.
Run a 10-minute test with the site open; check card terminals and printers.

“Short brownout—POS never dropped, customers didn’t notice.” — Store owner

H2-5k-12k-low-voltage-hybrid-inverter-application-Small Retail

How We Work With You

From your first call to final delivery, we make the process simple and clear

Talk & Plan

We listen to your needs and create a plan that works for you. Our team will help you understand all your options.

Quote & Agree

You get a clear price with no hidden costs. Once you're happy with everything, we sign the agreement and start working.

Make & Check

We carefully make your order and check everything meets our high standards. You'll know exactly how things are going.

Ship & Support

Your order ships safely to you on time. We're always here to help if you need anything after delivery.

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Foire aux questions

Find answers to common questions about our products and services

How do I choose between 5k, 6k, 7.6k, 8k, 10k, and 12k for my site?

Quick idea: pick by daytime peak load + roof PV space; size battery by evening use hours.

Site type	Peak load	Inverter	PV (typ.)	Battery (2–4 h)
Home + home office	3–6 kW	5–6 kW	5–8 kW	7–12 kWh
Villa / small shop	6–10 kW	7.6–10 kW	8–12 kW	10–20 kWh
Clinic / café with IT	8–12 kW	10–12 kW	10–16 kW	12–24 kWh

What the H2-5–12k LS2 gives you: 2 MPPTs for split roofs (90–480 V MPPT), IP65 wall-mount, quiet ≤50 dBA, single-phase grid. Use high-current strings within the model limits. :contentReference[oaicite:0]{index=0}

Checklist before you lock size:

List 5 critical loads you want alive in outages (backup branch).
Count roof strings for 2 MPPT distribution; keep within 500 V DC max and current limits per model. :contentReference[oaicite:1]{index=1}
Confirm local grid profile and breaker size (see FAQ 5 table).

What’s in the box, and which documents will I receive?

Typical package (by model):

Item	Use
Hybrid inverter	PV + battery controller
Communication module (Wi-Fi/4G)	App/portal connectivity
CT (external)	Metering & energy flow sensing
Terminal kit, battery temp sensor	Clean wiring / lead-acid temp comp.
Mounting hardware + hole template	Fast wall install
Documents pack	Quick Guide, User Manual, Warranty

Sunriver Electric supplies the latest digital PDFs (datasheet, quick guide, user manual) on request to speed up approvals and site prep. :contentReference[oaicite:2]{index=2}

Before installation:

Inspect carton for damage; verify exact model on the label.
Lay out connectors separately to avoid cross-wiring.
Read safety notes; install only by qualified electricians.

Tip: keep the hole-positioning paper; it speeds drilling and keeps clearances correct for cable entry. :contentReference[oaicite:3]{index=3}

What batteries can I use, and how big should the pack be?

Battery types: LiFePO₄ or lead-acid, low voltage 40–60 V. Use BMS CAN/RS485 mapping for lithium; connect the temp sensor for lead-acid. :contentReference[oaicite:4]{index=4} :contentReference[oaicite:5]{index=5}

Model range: H2-5K/6K/7.6K/8K/10K/12K-LS2; check per-model charge/discharge current in the datasheet when finalizing packs. :contentReference[oaicite:6]{index=6}

Simple sizing (examples):

Use case	Evening load	Battery (kWh)
Home + fridge + IT	1.5–2.5 kW × 3 h	6–8
Villa / small shop	2–4 kW × 3–4 h	10–16
IT-heavy home office	1–2 kW × 6 h	8–12

Connection notes:

Use the correct battery cable size (up to 0 AWG on 10 kW); torque to spec. :contentReference[oaicite:7]{index=7}
Insert via BAT gland to BAT+/BAT− terminals; add isolator ≥70 A if required by local code. :contentReference[oaicite:8]{index=8}
For lithium, wire BMS to BMS_CAN; for lead-acid, connect the temp sensor to COM1. :contentReference[oaicite:9]{index=9}

How does backup work, and what should go on the backup branch?

The inverter switches to battery and keeps critical loads running immediately and seamlessly during a grid outage. This avoids flicker or reboots on essential circuits. :contentReference[oaicite:10]{index=10}

Put on BACK-UP: LED lighting, router/CCTV, laptops/PCs, fridge (inverter type).

Keep on non-backup: EV charger, large ovens, big compressor motors (inrush current). :contentReference[oaicite:11]{index=11}

Mode	AC output (backup)	THDv
H2-5–12k LS2	up to rated VA, 60 s peak headroom	<3% (linear load)

Use the separate BACK-UP terminals shown in the junction box; label the backup sub-board clearly. :contentReference[oaicite:12]{index=12}

What AC breaker and cable sizes should I prepare (by model)?

Grid-side breaker & cable (from Quick Guide):

Modèle	AC breaker	Cable size (L/N)
H2-5K-LS2	50 A	8 AWG
H2-6K-LS2	63 A	8 AWG
H2-7.6/8K-LS2	80 A	8 AWG
H2-10K-LS2	100 A	6 AWG

Notes:

Keep total voltage drop ≤2% from point of grid connection; upsize cable if the run is long.
Strip lengths: 20 mm for LOAD/GRID, 10 mm for GEN; torque to the listed values in the guide. :contentReference[oaicite:13]{index=13}
Follow local codes for breaker curves and RCD selection.

How do I commission and monitor with the Elekeeper app?

Download Elekeeper (iOS/Android). Choose language and Overseas Node; register if needed. :contentReference[oaicite:14]{index=14}
Local connect via Bluetooth → select inverter SN → run the Initialization wizard. :contentReference[oaicite:15]{index=15}
Set battery brand/mode, wiring (with/without meter/CT), and country/grid compliance profile. :contentReference[oaicite:16]{index=16}
Join Wi-Fi/Ethernet/4G for remote monitoring; create the plant for the owner. :contentReference[oaicite:17]{index=17}

What you can do daily: check PV/battery/load flow, SOC, alarms; switch modes (Self-Use / Backup / TOU); view reports; update firmware when prompted. :contentReference[oaicite:18]{index=18}

Simple TOU schedule (example):

Charge (off-peak): 00:00–05:00
Discharge (peak):  18:00–22:00
Reserve SOC:       25–30%

If Italy: run the built-in CEI 0-21 self-test and save the report from the app. :contentReference[oaicite:19]{index=19}

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