MARSTEK 510Wh Portable Power Station
MARSTEK 510Wh Portable Power Station
Description
The MARSTEK S500S Mini ESS is a portable energy storage system designed for versatile, off-grid power needs, including camping, outdoor activities, and home emergencies. It features a high-capacity 510Wh lithium-ion NCM battery and is capable of an 800W peak surge power.
Specifications:
- Battery Capacity: 510Wh (approx. 138,000mAh)
- AC Output: 500W Continuous / 800W Max Surge
- Solar / DC Input: 240W Max
- USB-C Output/Input: 100W Max (Power Delivery)USB-A Output2 x 18W Max
- Dimensions: 340mm x 178mm x 230mm
- Weight: 6.9kgs
What it can Power:
- Laptops: ~10 hours
- Smartphones: ~40-50 charges
- LED Lights (5W): ~100 hours
- Mini-Fridge: ~10–15 hours
- Small TV (32"): ~6 hours
Return policy
Refunds may take up to 30 business days to process after the returned item has been inspected. Additional time may be required for the refund to appear in your account depending on your payment provider.
Shipping
We currently ship within Kenya only.
Processing & Delivery
- Orders are processed within 1–2 business days (Monday–Friday).
- Delivery takes an additional 2–4 business days, so most orders arrive within 3–6 business days.
- Orders placed after 4:00 PM EAT will begin processing on the next business day.
Eligible Nairobi orders may qualify for same-day dispatch. Same-day delivery is available only where specifically confirmed for the order.
Shipping Rates
- Nairobi: KES 350
- Rest of Kenya: KES 650
Please note: Shipping costs and delivery times for large or heavy items (such as solar panels, batteries, and inverters) may vary. The final shipping cost will be displayed at checkout.
Order Tracking
Customers may receive tracking information by email where available.
Need Help?
If your order is delayed, arrives damaged, or goes missing, please contact us as soon as possible and we'll work to resolve the issue.
Full Shipping Policy: Click here
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