Services
EV Scooter & Battery
Precision Repair Lab
Industrial-grade diagnostics for Lithium (NMC/LFP) & Lead-Acid battery packs, BLDC motor rewinding, controller MOSFET repairs, and genuine multi-brand spares in Kolkata.
Instant Fault Diagnostic & Cost Estimator
Cell-Level Active Balancing & Internal Resistance Health Testing
Estimated Turnaround: Same Day / 24 Hours
*Costs vary depending on component replacement (cells, BMS board, MOSFET, wiring harness).
Workshop Services
Original spares, digital instruments, and certified EV mechanics
Lithium & LFP Battery Re-cell & Balancing
Comprehensive recovery for NMC and LiFePO4 packs suffering from low mileage or BMS lockouts. We isolate depleted cylindrical/prismatic cells, replace them with matched internal-resistance units, and execute micro-spot welding.
- Active multi-stage cell balancing
- Smart Bluetooth BMS installation & tuning
- Heavy pure nickel strip re-welding
BLDC Hub Motor Repair & Sensor Fix
Resolve jerking, humming sounds, wheel jamming, or zero pickup. Complete rotor and stator maintenance including 3-phase Hall effect sensor PCB replacements, heavy copper rewinding, and water de-rusting.
- Hall sensor 41F / 43F genuine swaps
- High-temperature insulation varnish
- Waterproof silicone sealing & bearing grease
Sine / Square Wave Controller Repair
Circuit-level chip replacement for blown MOSFET tubes, short-circuited capacitor banks, burnt circuit traces, and over-current protection trips on 12-tube, 15-tube, and 18-tube controllers.
- Heavy duty 80V-100V low-RDS MOSFETs
- Speed limiter & shunt resistor calibration
- Throttle 5V rail fault restoration
Wiring Loom & Hall Throttle System
Tracing elusive wire breakages, melted main couplers, intermittent accelerator response, digital instrument clusters, key ignition barrel issues, and water ingress shorts.
- Multi-mode 3-speed throttle grip replacement
- Heavy duty MCB circuit breaker installation
- Heat-shrink waterproof terminal sleeving
EV Charger & DC-DC Converter Repair
Prevent high voltage spikes from ruining your expensive battery. Repair of auto-cutoff SMPS circuits, high-speed cooling fan failure, relay contacts, and 60V-72V to 12V lighting converters.
- Accurate voltage / amperage potentiometer tuning
- Input AC surge protection diode rebuild
- Original copper core output cables
Brake Motor Cut-Off & Hydraulic Service
When electric brake micro-switches stick, the motor continuously consumes power and overheats. We replace electronic cut-off levers, bleed disc brake fluids, and align front telescopic shocks.
- Electronic cut-off microswitch integration
- High-bite ceramic pads & drum shoe fitting
- DOT4 hydraulic oil bleeding and caliper seals
Multi-Brand EV Scooter Servicing & Spare Hub
Equipped with precision testing benches to service both RTO-registered and low-speed non-RTO electric vehicles. Certified repairs for Hero Electric, Okinawa, Ampere, Pure EV, Cosmo, Komaki, Jitendra EV, and custom assembled lithium conversions.
Book Lab Inspection
Send your issue directly to Master Technician Abhijit Mandal. Submitting opens a ready-to-send WhatsApp confirmation with your scooter details.