Nationwide delivery
Marstek
Marstek S500S 500W Portable Power Station
S500S
KES 25,000
- 510Wh
- 800W AC
- 240W solar
- 1-year warranty
- Nationwide delivery
accepted
The S500S is the smallest Marstek Saturn station: a 510Wh lithium-ion battery and 800W pure sine wave inverter in a 6.7kg case. It runs a router, lights, laptop, TV and fan through a short outage, and travels easily for camping or site work.
Charge it from a wall socket in about 2.5 hours, from a car, or from up to 240W of solar. USB-C and USB-A ports cover phones and laptops, and the 12V output runs small DC appliances.
| BATTERY | |
|---|---|
| Capacity | 510 Wh |
| Chemistry | Li-ion NCM |
| Cycle life | 1000+ cycles |
| OUTPUT | |
| AC output (max) | 800 W |
| Inverter | Pure sine wave |
| USB-C | 100 W |
| USB-A | 2 x 18 W |
| 12V DC | 120 W |
| INPUT | |
| Solar input | 240 W |
| DC input | 240 W |
| USB-C input | 100 W |
| GENERAL | |
| Weight | 6.7 kg |
| Dimensions | 340 x 178 x 230 mm |
| Recharge time | 2.0-2.5 hours |
This item is a self-contained component and does not require professional installation on its own.
Never mix battery and inverter voltage classes: a low-voltage (51.2V) battery cannot be connected to a high-voltage inverter input, and vice versa. If you are unsure, talk to an engineer before ordering — the check takes minutes and prevents damaged equipment.
This product carries a 1-year manufacturer warranty.
Returns and warranty claims both start by contacting us with your order number. The full terms are on our delivery and returns page.
The S500S is the smallest Marstek Saturn station: a 510Wh lithium-ion battery and 800W pure sine wave inverter in a 6.7kg case. It runs a router, lights, laptop, TV and fan through a short outage, and travels easily for camping or site work.
Charge it from a wall socket in about 2.5 hours, from a car, or from up to 240W of solar. USB-C and USB-A ports cover phones and laptops, and the 12V output runs small DC appliances.
| BATTERY | |
|---|---|
| Capacity | 510 Wh |
| Chemistry | Li-ion NCM |
| Cycle life | 1000+ cycles |
| OUTPUT | |
| AC output (max) | 800 W |
| Inverter | Pure sine wave |
| USB-C | 100 W |
| USB-A | 2 x 18 W |
| 12V DC | 120 W |
| INPUT | |
| Solar input | 240 W |
| DC input | 240 W |
| USB-C input | 100 W |
| GENERAL | |
| Weight | 6.7 kg |
| Dimensions | 340 x 178 x 230 mm |
| Recharge time | 2.0-2.5 hours |
This item is a self-contained component and does not require professional installation on its own.
Never mix battery and inverter voltage classes: a low-voltage (51.2V) battery cannot be connected to a high-voltage inverter input, and vice versa. If you are unsure, talk to an engineer before ordering — the check takes minutes and prevents damaged equipment.
This product carries a 1-year manufacturer warranty.
Returns and warranty claims both start by contacting us with your order number. The full terms are on our delivery and returns page.
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Common questions
How long will a power station run my appliances?
Divide the station capacity in Wh by the appliance draw in watts, then subtract inverter losses. A 1,000Wh station runs a 100W load for roughly nine hours.
Can I charge a power station with solar panels?
Yes. Match the panel voltage and current to the station input limits, and use the EcoFlow solar cable where the connector differs.
Can a power station back up my whole house?
A portable station covers essentials — lights, router, fridge and phones. Whole-home backup needs a fixed inverter and battery sized to the property.
Talk to us
An engineer answers, not a call centre.
Call us or send a WhatsApp message and an engineer will come back to you.
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