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verifiedAIS-156 | UN38.3 | CE | IEC 62619 | 12-market export certification system
EN
TIANQIULi-ion Export
Built for Bajaj RE / TVS King and every passenger or cargo three-wheeler · 40-minute weld-free install42 overseas conversion centresISO/TS 16949 quality certificate includedIn-position swap · plug-and-play harness

Petrol tricycle and moped retrofit engineering,deployed and documented worldwide

With fuel prices high and carbon-neutral operating mandates spreading, India, Pakistan, Egypt and Kenya hold hundreds of thousands of petrol tuk-tuks. We supply a one-stop retrofit kit, stamped anti-vibration brackets and turnkey engineering drawings for non-destructive in-position replacement, plug-and-play wiring and double the drive performance.

timer
Standard conversion time per vehicle35 ~ 45 min
savings
Reduction in cost per kilometre68 ~ 72%
timelapse
Full kit payback period4.5 ~ 6 months
terrain
Loaded peak gradient capability22% slope
electric_meter
BMS protocol libraryCAN 2.0B / RS485 / 4G-IoT

verifiedDeployed at 42 certified conversion centres including New Delhi, Colombo and Cairo: plug-and-play harness testing, spark-free assembly and direct registration

precision_manufacturingRETROFIT FLEET METRICSENGINEERING BENCHMARK
Standard conversion time per vehicle35~45 minPlug-and-play for a two-person crew
Operating cost reduction per km68~72% savedAgainst petrol and engine oil
Payback on the full conversion kit4.5~6 monthsOn 120km a day of taxi duty
Peak loaded gradient ability22% slope800kg payload, no stutter mid-slope
electric_meterBMS live protocol libraryCAN 2.0B / RS485 / 4G-IoT

Specification notice:Reference values only — batch and duty-cycle variation applies. Contact us for detailed specifications.

build_circleGlobal Garage Deployments

Recorded on the workshop floor overseas

Every operation is completed and logged at a real conversion bay — from engine removal and chassis ballast to plug-and-play harness connection and a loaded gradient test, each step with verifiable field data.

build_circle

Engine removal and in-position battery fitting

A certified technician demonstrates weld-free chassis reinforcement: with the petrol engine removed, a one-piece stamped cold-rolled steel 60V/72V fire-retardant pack is bolted to the exact centre of gravity — with no frame cutting and no welding at any stage.

12 min · 100% structural position · Bajaj RE dedicated tooling
balance

Cabin ballast and roll-over balance

The classic Bajaj RE compact cabin is re-balanced front to rear, holding a 42:58 axle weight ratio that removes the nose-lift under hard braking and the roll-over risk in tight turns of the original three-wheeler.

Cornering lean < 14° · AIS-156 compliant · patented drill-free connector
cable

Ignition lock and original instrument cluster, plug-and-play

Pre-formed modular waterproof fire-retardant harnesses and a high-current contactor plug directly into the factory ignition assembly, headlight and brake-light switch — no insulating tape and no hand-spliced joints anywhere.

Connector rating IP67 · reverse-polarity protection
terrain

800kg loaded start on a steep gradient

High-rate motive LiFePO4 cells deliver 120A continuous and 240A peak, so the high-torque PMSM pulls away on an 18-degree muddy slope with no roll-back and no thermal cut-out.

Test payload 850 kg · no roll-back on gradient start
engineeringEngineering Workflow Specification

Five steps to complete a standard tricycle conversion

Two experienced technicians follow the standard sequence to convert a petrol tricycle in 35-45 minutes. A 5km loaded road test and a signed handover sheet are required before the vehicle leaves the bay.

  1. 01oil_barrel

    Drivetrain removal and ballast assessment

    Drain residual fuel and safely remove the fuel tank, carburettor, exhaust, ageing two-stroke or four-stroke engine and recoil starter. Measure static front and rear axle load and clean the installation bay.

    Note: 48-65kg of removed mass
  2. 02handyman

    Bolt the anti-vibration stamped bracket

    The supplied 3mm galvanised heavy-duty bracket locks into the original chassis bolt holes (Bajaj factory threads align exactly). The LiFePO4 pack drops in and is secured with double anti-release clamps.

    Note: vibration tested to 3G
  3. 03settings

    Couple the motor and differential axle

    Install a 3kW–5kW mid-drive PMSM or an integrated differential unit on the rear axle housing. Align the driveshaft flange coaxiality (deviation < 0.5°), grease and secure the torque arm.

    Note: 1:8.6 reduction ratio as standard for loaded torque
  4. 04power

    Plug in the smart BMS and vehicle harness

    Connect the high-current Anderson main terminals, then plug the smart BMS into the throttle, gear selector and brake cut-off assembly in one action. An integrated pre-charge resistor prevents arcing at connection.

    Note: dual fuses plus independent 12V step-down supply
  5. 05speed

    Upper-computer calibration and road validation

    Connect the controller over Bluetooth or a handheld calibration tool and write the payload and wheel-diameter parameters. Verify hall self-learning and instrument SOC accuracy, then run a 5km loaded acceleration, braking and hill-hold test.

    Note: vehicle released only against a signed handover checklist
precision_manufacturingStandard Retrofit Kits Specification

Official weld-free retrofit kit matrix

Select directly against the original chassis platform. Battery, motor, reduction ratio and charge time are factory-calibrated values, with no secondary modification to the body structure.

Compatible with the full Indian / Egyptian / African petrol tricycle range
Vehicle / chassis platformRecommended battery (LiFePO4)Drive motor and peak powerTop speed (loaded)Range per chargeFast charge (0-100%)Conversion time
Bajaj Compact RE (3+1 passenger)60V 105Ah (6.3 kWh) flame-retardant aluminium case3.5kW PMSM / 6kW peak50 km/h110 - 130 km2.2 hours (30A fast charge)35 minutes
Bajaj Maxima / TVS King (wide-body passenger)72V 120Ah (8.64 kWh) automotive blade cells4.2kW vector sine-wave / 7.5kW peak55 km/h135 - 150 km2.5 hours (35A fast charge)40 minutes
Piaggio Ape / heavy open-bed cargo (1 tonne class)72V 150Ah (10.8 kWh) dual-module cold-rolled steel5.0kW high-torque integrated differential / 9.5kW peak45 km/h (800kg payload)95 - 115 km3.0 hours (40A fast charge)45 minutes
Light commercial 110cc–150cc delivery two-wheeler72V 45Ah (3.24 kWh) quick-release carry handle2.5kW hub motor / 4.2kW peak70 km/h85 - 100 km1.5 hours (20A fast charge)25 minutes

Four mainstream platforms are listed at factory standard specification. For non-standard vehicles we offer 3D chassis reverse-scanning and custom stamped brackets, with a dedicated kit list issued after an engineering session.

Specification notice:The figures above are engineering reference values. They may differ with production batch, configuration and actual duty cycle, and the percentages for life, efficiency, availability and coverage are engineering estimates and bench references. Contact us for the detailed specification sheet.

calculateTCO Financial Analysis

Retrofit operating gain and energy cost model

Modelled on a full-time passenger tricycle operating 130km per day in Cairo and New Delhi, comparing the petrol and lithium cost curves.

local_gas_station$5.80Conventional petrol cost per 100kmFuel spend per 100km baseline
bolt$1.25TIANQIU lithium grid charging per 100kmMains charging spend per 100km
build90% savedRoutine servicing (oil, spark plugs, carburettor cleaning)No wearing parts in the motor, sealed IP67 controller with no filter element, 160+ workshop hours saved over the full life
savings$1,400 – $1,800Additional profit per vehicle per year (USD)Fuel and oil savings alone recover the complete lithium retrofit kit cost in 4.5 months

Specification notice:The figures above are engineering reference values. They may differ with production batch, configuration and actual duty cycle, and the percentages for life, efficiency, availability and coverage are engineering estimates and bench references. Contact us for the detailed specification sheet.

inventory_2All-in-One Kit

What the turnkey retrofit crate contains

One crate carries every assembly required for the conversion, with a full-colour 3D assembly manual and a scannable video tutorial included — open it and build.

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Motive power pack

A-grade LiFePO4 cells in a one-piece cold-rolled steel case with an integrated smart BMS and thermal isolation.

motorcycle

Mid-drive PMSM motor

Direct-coupled differential flange gearing with high and low ratio options and loaded-torque headroom.

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Vector FOC smart controller

Fully potted IP67 waterproof, with electronic brake energy recovery and upper-computer parameter calibration.

speed

Multi-function LCD instrument

Accurate voltage, SOC, speed and gear display that drops into the original instrument position.

electrical_services

Factory plug-and-play harness

Ignition-lock relay and independent 12V step-down built in, with keyed water-resistant fire-retardant connectors.

hardware

Laser-cut weld-free brackets

Supplied with grade 10.9 high-strength bolts and anti-vibration pads, locking into the original chassis holes.

helpTechnical FAQ

Engineering FAQ from conversion technicians and fleets

Field notes compiled by TIANQIU's chief powertrain engineers resident overseas.

Is it really true that no frame cutting or welding is needed?expand_more
Yes. We laser reverse-scanned the chassis rails of the Bajaj RE Compact, Maxima, TVS King and Piaggio Ape in 3D. The dedicated stamped bracket uses the original engine mounting and locking holes and is bolted in place, so the vehicle's safety structure stays intact.
How do you prevent short circuits in monsoon wading and mud?expand_more
The battery case is die-cast sealed with automotive-grade silicone gaskets to IP67, and both motor and controller are fully enclosed with self-locking waterproof connector shells. The system runs safely with no leakage even with water up to the wheel centre line — a 30cm water crossing.
Will the converted vehicle lack power uphill, or roll back?expand_more
An electric motor delivers full peak torque from low rpm, far beyond a small internal combustion engine. The kit includes a Hill-Hold electronic parking algorithm that applies braking torque automatically when the throttle is released on a slope, so four passengers on a 20% bridge ramp start cleanly.
Will 45°C tropical heat trigger the thermal cut-out?expand_more
For Egyptian and Indian summer extremes, the cell chemistry adds high-temperature stabilising additives, and the pack carries phase-change thermal silicone plus a conductive aluminium base plate. The BMS high-temperature threshold is calibrated precisely at 60°C; in Middle East and North African operation we have logged 12 continuous hours without abnormal derating.
Can an apprentice at an ordinary repair shop complete the whole conversion?expand_more
Yes. The kit uses keyed, reverse-insertion-proof connectors whose shapes and colours physically prevent misconnection. We provide full video tutorials in Arabic, French, Hindi and English; after watching two vehicles being built, an ordinary mechanic typically completes an independent conversion in 40 minutes.
How does the converted vehicle pass local roadworthiness inspection and re-registration?expand_more
Every kit ships with a complete conversion compliance pack, including Indian ARAI / AIS-156 documentation, the Egyptian Ministry of Trade and Industry type clearance certificate and the UN38.3 lithium shipping safety report. Owners use the chassis stamp number and factory test certificate to exchange for local green plates or an operating licence. See the India market desk and Egypt market desk for the certification route.
request_quoteDrawings & Kit Enquiry

Get the complete non-destructive retrofit drawing set

For overseas taxi associations, large conversion centres and government green-subsidy tenders we offer priority air freight for sample crates, local conversion licence support and resident engineer training. Send your vehicle and batch size and we will issue the kit list and container quotation within 24 hours.

  • Full engineering set: 3D chassis scan, bracket hole pattern and harness schematic
  • Battery, motor and reduction-ratio recommendation matched to your payload and gradients
  • Priority air freight for sample crates plus resident engineer training programme
callDirect / WhatsApp: +86 13922702227 (English, French and Arabic spoken)
location_onEBattery Office, Room 310I, Huilange BLDG, No. 273, Huangpu Blvd W, Tianhe District, Guangzhou 510620, Guangdong, China
scheduleEngineering response and kit selection table within 24 hourslocal_shippingAlexandria stock for immediate dispatch · samples by priority air freightschoolResident engineer training and local licence support

Specification notice:The figures above are engineering reference values. They may differ with production batch, configuration and actual duty cycle, and the percentages for life, efficiency, availability and coverage are engineering estimates and bench references. Contact us for the detailed specification sheet.

lockProtected by NDA

Chassis details and conversion plans you submit are used only for kit selection and remain strictly confidential.