REBUILD. RESTORE. RECHARGE.
New Zealand’s Complete Battery Service Centre
At Black Sheep Trading, we specialise in professional diagnostics, repairs, and repacking for all lithium battery systems used in:
Electric dirt bikes (EMOTO)
Electric scooters
E-bikes & cargo bikes
Custom lithium packs
From Surron and Talaria to E-Ride Pro, Segway, Niu, Evolve, Fiido, Kaabo, and everything in between — if it uses a lithium pack, we can service it.
Our skilled high-voltage technicians work daily on batteries sent from all over New Zealand.
⭐ Why Riders & Commuters Trust Black Sheep Trading
Specialist battery technicians trained in EMOTO, scooter, and e-bike power systems
Full diagnostic reporting — not guesswork
NZ-wide courier service for battery assessments
OEM and high-grade replacement parts
Safe, certified lithium handling procedures
Fast turnaround and transparent pricing
Factory-direct access to major EMOTO components
We aren’t general bike mechanics — we’re New Zealand’s electric mobility battery experts.
🔧 Our Full Battery Service Range
1. Comprehensive Battery Diagnostics
We provide detailed assessments for all battery types, including:
Cell balance & health checks
Voltage sag testing under load
Internal resistance & capacity measurement
BMS condition & fault detection
Thermal and water-ingress evaluation
Charge behaviour analysis
Connector, fuse, and wiring inspection
You receive a clear diagnostic report before approving any repairs.
2. Battery Repairs
Our workshop handles everything from simple fixes to advanced internal repairs:
EMOTO • Scooters • E-Bikes
BMS replacements & resets
Damaged connector repair
Water damage and corrosion treatment
Cell-group failures
Short circuits & fuse replacements
Power dropouts under load
Charging faults & cut-outs
All repairs are safety-tested and load-tested before return.
3. Battery Repacking & Full Rebuilds
If your battery is old, weak, or beyond standard repair, we can rebuild it.
We offer:
Full cell replacement with premium-grade cells
Rebalancing of all cell groups
BMS upgrade or replacement
Fresh seals, wiring, and structural reinforcement
Performance or capacity upgrades (where applicable)
A repacked battery often delivers better performance and lifespan than the original.
4. Custom Battery Builds (Optional)
Perfect for:
Long-range commuters
High-performance off-road riders
Cargo e-bikes
Commercial fleets
DIY or retrofit projects
We can tailor the voltage, capacity, and discharge profile.
🚚 Nationwide Battery Service – Send It to Us
You don’t need to be in Christchurch.
Contact us for packaging instructions
Send your battery by courier
Our technicians diagnose and quote
You approve or decline the work
We repair, repack or rebuild
We courier it back ready to ride
Fast, safe, and fully trackable.
⚠️ Common Problems We Fix
E-Motos
Power cutouts under acceleration
BMS lockouts
Weak cell groups
Voltage sag at high load
Scooters
No power after charging
Sudden shutoffs at low speed
Water damage (very common)
Swollen packs or overheating
E-Bikes
Reduced range
Battery won’t charge
Faulty BMS or cells
Damaged output connectors
If your electric vehicle isn’t performing, your battery is usually the cause — we can fix it.
💲 Pricing Guide
Diagnostic Report: from $89
Repairs: varies depending on ithe ssue
BMS Replacement: varies depending on the BMS
Battery Repack / Rebuild: Custom quoted
Custom Packs: POA
You will always receive a quote before any work begins.
🔋 Brands We Service
EMOTO / Electric Dirt Bikes
Surron • Talaria • E-Ride Pro • Segway • Storm Bee • Light Bee • Talaria XXX
Electric Scooters
Kaabo • Niu • Segway • Fiido • Evolve • Apollo • Xiaomi • All other major brands
Plus all standard 36V / 48V / 52V / 60V / 72V lithium packs
If it’s lithium — we can diagnose, repair or rebuild it.
📞 Book Your Battery In Today
Get your electric bike, scooter, or EMOTO back to full power.
📍 Christchurch workshop
📦 Nationwide courier service available
🛠 Fast turnaround and expert technicians
🌐 Contact us anytime
Black Sheep Trading
New Zealand’s trusted specialists in battery diagnostics, repairs & repacking.
