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Category: EV

Renault Twizy – BMS Defect

By Strom Trooper

Electric mopeds, there is no more logical and sustainable way of transportation. Small battery, low weight, minimal consumption, simple system, cheap to charge and cheap to move. The Renault Twizy, a veteran and one of the favorite “buzz boilers”. Suddenly stopped, the cause unknown, diagnosis for a couple of days and in the end, we…

R240 Powertrain – Renault worst EV project!

By Strom Trooper

Renault Zoe, Twingo, and Smart 453 share Renault-designed propulsion systems that have proven efficient but unreliable. The motor is air-cooled by intake air behind the vehicle, and the bearings suffer from probable overheating. Service for these electric motors is required approximately every 100,000 km; this is the seventh one coming to us due to grinding…

Dont ignore signs of failure on Tesla Large Drive Unit !

By Strom Trooper

EVC is vertically integrated startup, from research & development for repair solutions, electronic and mechanic defects, giving customers unique experience “All in one” service solution. We have exponential growth demand across all of europe, we have customers coming even from Greece for preventive repairs and we give advantage to non-driving EV’s. Soon we will expand…

YOYO XEV Battery deep discharge

By Strom Trooper

Finally, YOYO XEV has arrived. Battery defect due to deep discharge and cell imbalance. Very simple design with LiFePo4 cells and a 12S configuration, totaling 3 such modules. The modules are compact without contactors. Each weighs 24 kilograms with a total capacity of 10.5 kWh, meaning more than all Toyota hybrids (except the new Prius).…

Is possible to save Kia Soul battery?

By Strom Trooper

Possible, but not without detailed measurement and materials. This Soul, at 100k km, has a State of Health (SOH) of around 50%, which is not accurate; degradation is closer to 70%, or SOH 30%. Many mistakenly believe it’s just one or two cells that are faulty, but after DCIR measurements, it’s clear it’s not just…

Can a Tesla battery be repaired for €1000?

By Strom Trooper

Of course, it can, depending on the severity of the damage. Recently, we mentioned how important it is to inspect and perform a “reseal” on the battery after 6-7 years. Here, the original battery from a 2015 Tesla Model S P85D had water ingress directly into the high-voltage part where the pyrofuse is located. The…