Solar Inverters & Charge Controllers
The panel gets the attention and the controller does the work. These are the two components that decide whether a DIY solar build runs for years or destroys a battery in a season.
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MPPT or PWM — this one is worth the money
A charge controller sits between panel and battery and stops the panel over-charging it. There are two kinds and the difference is real, not marketing.
A PWM controller effectively drags the panel's voltage down to the battery's, and the energy in that gap is lost as heat. It is cheap and it works. An MPPT controller converts the excess voltage into extra current instead, typically recovering 20 to 30% more energy from the same panel — more when the panel voltage sits well above the battery's, which is most of the time.
The rule of thumb: on a small system, say under 200W, PWM is defensible and the price difference is a meaningful share of the build. Above that, MPPT usually pays for itself in panels you did not have to buy. Either way, size the controller's current rating above your panel's short-circuit current, with headroom.
Pure sine or modified sine
An inverter turns the battery's DC into 240V AC so ordinary appliances work. Pure sine wave output matches what TNB delivers. Modified sine is a cheaper approximation — a stepped square wave rather than a smooth curve.
Modified sine runs a resistive load such as a filament bulb or a simple heater without complaint. It makes fans and motors run hotter and noisier, upsets some chargers and power supplies, and a few appliances — anything with a mains-referenced timer, some medical equipment, certain TVs — will not run on it at all.
The price gap has narrowed enough that pure sine is the sensible default now. Buy modified sine only if you know exactly what will be plugged in and it is all simple resistive load.
Where the legal line sits
One line worth being clear about before you buy anything. A standalone 12V or 24V setup — panel, charge controller, battery, and appliances wired only to that battery — is yours to build, and nothing here touches your TNB supply. The moment any of it connects to your house wiring or feeds back to the grid, it is a different job legally: that needs a licensed electrical contractor, and for anything grid-tied, SEDA registration and TNB approval. Mixing the two is where DIY solar goes wrong in Malaysia.
Inverters and charge controllers listed in Malaysia
Sorted by price, highest first — in this category price tracks capability closely, and the cheap end is where the specification claims are least reliable.
Ratings shown are read from the listing title. On inverters especially, a stated wattage is often a peak or surge figure rather than continuous output, so check the continuous rating on the Shopee page before sizing anything around it.
Prices checked .
2.5--6KW Solar Inveter SOLIS SINGLE PHASE INVERTER SINGLE PHASE DUAL MPPT WITH DC SWITCH
ja_solar.my · 3 sold
2KW Solar Inveter SOLIS SINGLE PHASE INVERTER MINI 2KWSINGLEPHASE SINGLE MPPT,WITH DCWITCH
ja_solar.my · 1 sold
DEMUDA hybrid inverter 4.2KW/6.2KW Pure Sine Wave Solar Hybrid Inverter Built-in MPPT Solar Charge Controller 逆变一体机
Pecron Official · 187 sold
AOYANG 1.6KW 3.2KW 4.5KW 6.2KW Hybrid Solar Inverter Built In 100A MPPT 24V/48V System 220V Pure Sine Wave 太阳能逆变一体机
Pecron Official · 16 sold
Solar Inverter Solar Power inverter 800W Pure Sine Wave Inverter MPPT Solar Charger solar micro inverte WiFi 逆变器
Pecron Official · 13 sold
AOYANG MPPT solar controller 40A 60A Solar Charge Controller PV Charger Controller 230V system 12V-96V Auto With WIF
Pecron Official · 56 sold
solar inverter 1kw/1.2KW power inverter hybrid inverter Power Converter wifi control inverter DC to AC ,Connect to AC
Pecron Official · 53 sold
DEMUDA Solar Controller Solar Charger MPPT 30A/60A/80A/100A/120A solar charge controller WIFI 12V/24V/48V/96V 太阳能控制器
Pecron Official · 6 sold
AOYONG solar controller mppt solar charger controller 40A 60A 12V/24V/36V/48V PV Battery Regulator 太阳能控制器
Pecron Official · 176 sold
Car Inverter 200W/400W Inverter converts car power to home power 12V/24V to 220V car inverter 逆变器 Vehicle inverter
Pecron Official · 614 sold
Car inverter 200W Car Power Inverter PD fast charging car charging car charging vehicle socket 12/24V to 220V 逆变器 Large
Pecron Official · 126 sold
100A MPPT Solar Controller 12V/24V/36V/48V AUTO high power battery charger,PV Max Input 1200W ,with 5V USB*2 太阳能控制器
Pecron Official · 104 sold
4000W/6000W/12000W Original Power Inverter 12V TO 220V Car Home Pure Sine Wave Inverter DC to AC Converter Solar Inverte
Rhino.Shop · 146 sold
Car inverter 12v to 220v power converter 12000w high power converter professional type with USB inverter
MIDOO · 94 sold
AOYANG MPPT Solar Controller 10A/20A/30A/40A/50A/60A battery charging 12V/ 24V Auto with USB LCD Display 太阳能控制器
Pecron Official · 33 sold
4000W/6000W/12000W Car Power Inverter DC 12V to AC 220V Converter Solar Inverter with Dual USB for Vehicle Household
Rhino.Shop · 139 sold
4000W/6000W/12000W Original Power Inverter Converter Solar Inverter Car Inverter DC 12V To AC 220V Household inverter
Rhino.Shop · 1k+ sold (Shopee rounds this)
Pure Sine Wave 12000W Power Inverter DC 12V to AC 220V With Universal AC Socket for Car Home Emergency Power Supply
Rhino.Shop · 158 sold
12000W Car Power Inverter Solar Inverter Converter Pure Sine WaveDC 12V to AC 220V/110V Car Converter With Dual USB Port
MIDOO · 522 sold
4000W/6000W/12000W Pure Sine Wave Inverter 12V To 220V Car Solar Inverter Portable Power Sine Wave Voltage Converter
Rhino.Shop · 380 sold
MIDOO Car 12V to 220V 12000W Dual USB LED Car Power Inverter Converter Car Charger Modified Sine Wave Converter
MIDOO · 356 sold
MPPT Solar controller 30A/ 60A/80A/100A 12V 24V 36V 48V AUTO Battery Charger with LCD Solar Charge Controller
Pecron Official · 1k+ sold (Shopee rounds this)
12000W Power inverter Converter Solar Inverter LED Car inverter 12V to 220V USB Car Adapter and AC Outlet Car Converter
MIDOO · 284 sold
Solar Panel Connector MC4 to DC Solar Inverter Connector Solar Power Supply [suitable with EB3A,EB70]
Pecron Official · 97 sold
Universal Socket 1500W Car Power Inverter 12V/24V to 220V Power Adapter Socket Plug Converter with 4 USB Port
MIDOO · 594 sold
3000W/5000W/9000W Car Power Inverter 12V to 220V Power Inverter Converter Car Charger Power Adapter Solar inverter
Rhino.Shop · 1k+ sold (Shopee rounds this)
30A 20A 10A 12V 24V Dual USB LCD Display PWM Solar Panel Controller Battery Charger Charge Solar Controller Regulator
Rhino.Shop · 256 sold
30 Solar Controller Solar System DC 12V/24V to AC 220V Power Inverter Solar Controller Regulator 20W Solar Panel
MIDOO · 833 sold
Common Questions
MPPT or PWM — is the difference real?+
Yes. A PWM controller pulls the panel voltage down to the battery's and loses the difference as heat. An MPPT controller converts that surplus voltage into extra charging current, typically recovering 20 to 30% more energy from the same panel. Under about 200W of panel, PWM is defensible on cost. Above that, MPPT generally pays for itself in panels you did not need to buy.
Do I really need a charge controller?+
Yes, always. Connecting a solar panel directly to a battery will over-charge and ruin it, and with lithium chemistry that is a safety problem rather than just an expensive one. The controller is the cheapest component protecting the most expensive one.
Pure sine or modified sine wave?+
Pure sine, unless you know exactly what will be plugged in. Modified sine is a stepped approximation of mains power: fine for simple resistive loads, but it makes motors and fans run hot and noisy, upsets some chargers, and will not run certain appliances at all. The price gap has narrowed enough that pure sine is the sensible default.
How do I size an inverter?+
Add up the continuous wattage of everything you will run at once, then add headroom for motor start-up surge, which can be several times an appliance's running draw. Note that inverter listings frequently quote a peak or surge figure in the title rather than continuous output, so confirm the continuous rating before sizing anything around it.
What is a hybrid inverter?+
One that manages solar input, battery charging and AC output together, and can switch between solar, battery and grid. They are the standard choice for a home system with storage. For a small standalone 12V build, a separate charge controller and inverter is usually simpler and cheaper.
Can I connect an inverter to my house wiring?+
Not yourself. A standalone inverter powering appliances plugged directly into it is fine. Wiring one into household circuits requires a licensed electrical contractor, and anything that can feed the grid needs SEDA registration and TNB approval. This is the point where DIY solar stops being DIY.
What size controller do I need for my panel?+
Take the panel's short-circuit current, add headroom of at least 25%, and choose a controller rated above that. Also check the controller's maximum input voltage against the panel's open-circuit voltage — and remember that wiring panels in series adds their voltages, which is the usual way people exceed a controller's limit without realising.