Updated: May 2026
Spanish · 5 years on Samui
Spanish cycling enthusiast and eco-travel advocate on Koh Samui for 5 years. Carlos covers all bicycle and e-scooter content with a focus on sustainable exploration.
I planned a Thursday afternoon loop from Chaweng: north to Mae Nam, west across to Nathon, south through Taling Ngam, then east back to base. Roughly 42 km. The Horwin EK3 was at 55% charge when I left - which, on its quoted 120 km range, should have been more than enough with 30% to spare. What the route planner did not account for was the 35-degree heat compressing real-world range, the two unplanned beach stops extending the route to 48 km, and the uphill section from Nathon that I had remembered as flat from a previous ride in a truck.
The Horwin EK3 dashboard showed 15% battery as I passed through Nathon at 14:30 on a Thursday in April. I knew the range anxiety threshold - I had been told, I had read it, and I had ridden the bike for two days prior. I also knew I was about 12 km from the guesthouse. I did the mental arithmetic incorrectly, accounting for the flat coastal road I had come in on rather than the uphill section waiting on the way back. I pressed on. This was the mistake.
The EK3 cut to zero-assist mode at 5% and then cut power entirely on a slight gradient between Nathon and the Taling Ngam junction. The bike became a 92 kg object requiring forward motion by leg. It was 35 degrees with 80% humidity. I pushed for 800 metres before a pickup truck driver asked if I needed help - he loaded the bike in the back without being asked and dropped me at a hotel with a charging point, refusing payment. I will be grateful to that driver for the rest of my time on this island.
The hotel was a small family-run place just south of Taling Ngam. They let me plug in at the reception desk socket, gave me iced water without asking, and pretended not to find the situation as amusing as they clearly did. I sat in the lobby for three hours while the EK3 recovered from 2% to 60%, which was enough to get home comfortably. The total delay cost me an afternoon and whatever dignity I brought to the island. The charging cost me nothing. The lesson cost considerably more.
I now apply a 30% battery rule for e-scooters on Samui: if the charge drops to 30% and I am more than 10 km from a known charging point, I stop and charge. The rule accounts for range variation caused by heat, gradient, and riding speed - all three of which compress real-world range below the quoted figures. The Horwin EK3 quotes 120 km. In Samui April heat with a loaded rack, I get closer to 85 km. The 30% rule makes that gap irrelevant.
After the Nathon incident I tested the Yadea G5 Pro and the NIU MQi+ Sport for comparison. The NIU's companion app shows real-time range based on current riding conditions - not a static estimate from the initial charge level. That single feature changes how you plan a route. The Yadea G5 Pro has no app but its range is more conservative in its quoted figures, so the gap between quoted and real-world is smaller. Both are better tools than the EK3 for a nervous first e-scooter trip; the EK3 rewards riders who already understand the variables.
This story ends with a positive note because the incident genuinely did not put me off electric riding - it educated me. Riding the Yadea G5 Pro on the north coast at 06:00 with no engine noise and the sea visible through the palm gaps is still one of the best things I have done on this island. The silence, the zero emissions, the way the bike glides rather than accelerates - these qualities are real and they are worth the planning that electric range requires. I just plan it properly now, with a 30% buffer and a charging stop built into every route over 30 km.
My first week on Koh Samui I hired a car. By day seven I returned it and rented a scooter for the rest of the month. Here is the moment that changed my mind.
The best views on Samui are not on any tourist map - they are at the end of dirt tracks that only a motorbike can access. I found five of them last season.
I set myself the goal of reaching every named beach on the island by bicycle in three days. Forty-one beaches, 180 km, and two punctures later - here is the full story.
