
What High-Displacement Performance Motorcycle Lithium Starting Battery Covers
PLB 26650 LiFePO₄ starting batteries deliver up to 1050A CA, precision-matched to YTX14-BS / YTX16-BS specifications, at one third of the weight of lead-acid and with no modification required. 30,000+ ignitions without degradation — one battery covers the vehicle's whole lifecycle.
Professional Battery Solutions
High-Compression Engine — Lead-Acid Can't Crank, What's the Fix?
Bikes above 600cc use high-power starter motors that need high CA / CCA. Lead-acid barely copes when new; after six months internal resistance rises and capacity falls. Cold starts see the voltage dip below 10V, the ECU reports errors and cranking fails.
26650 LiFePO₄ cells excel at high-rate discharge — up to 1050A CA (20Aplus), far above same-size lead-acid. Cold-start voltage stays above 12V so the ECU works normally, and repeated starts do not degrade performance: the first start and the fiftieth feel identical.
| Lead-acid (YTX16) | PLB 20Aplus | |
|---|---|---|
| Cranking amps | Limited by plate design | 1050A CA |
| Cold-start voltage | ~10V when aged | ≥12V |
| Repeated starts | Degrades start by start | No degradation |
Weight Reduction Demand — How Much Lighter Is Lithium?
The pain is specific: Weight Reduction Demand — How Much Lighter Is Lithium? In daily operation, lead-acid or manually managed packs lose capacity between scheduled checks, maintenance teams cannot inspect every unit, and the failure surfaces only when the load is already at risk.
A PLB 26650 LiFePO₄ battery weighs one third of a same-size lead-acid unit. PLB's LiFePO₄ pack and BMS monitor cell voltage, temperature and SOC continuously, alert before a weak cell becomes a failure, and are sized to the application's load profile.
| Conventional / manual | PLB LiFePO₄ | |
|---|---|---|
| Monitoring | Periodic checks | Continuous BMS |
| Fault warning | At failure | Threshold alerts |
| Maintenance | Scheduled visits | Exception-based |
| Service life | 2–3 years | 6,000+ cycles |
Higher Upfront Cost — How to Convince Procurement and End Users?
Lead-acid starts to fade after 300–500 deep cycles; in practice 1,000–1,500 starts leave performance clearly reduced and the battery needs replacing. A big-bike lead-acid is not cheap, and frequent replacement adds ownership cost.
PLB LiFePO₄ batteries exceed 2,000 deep cycles and 30,000+ ignitions. One battery covers the vehicle's entire lifecycle with zero replacements. The purchase price is higher than lead-acid, but the total lifecycle cost is lower.
| Lead-acid | PLB lithium | |
|---|---|---|
| Deep cycles | 300–500 | 2,000+ |
| Ignitions | 1,000–1,500 | 30,000+ |
| Replacements | Every 1–2 years | None over the lifecycle |
Tight Battery Compartment — Can Lithium Fit Precisely?
Sport-bike battery compartments are designed tightly around lead-acid dimensions. If a lithium battery does not match, it either will not go in or sits loose and shifts while riding.
PLB standard models match mainstream lead-acid specs with millimeter-level tolerance: YTX14-BS corresponds to 20Amax and YTX16-BS to 20Aplus, with fully compatible terminal positions and mounting. OEM customization for a specific compartment is also available.
| Generic lithium | PLB standard | |
|---|---|---|
| Dimensional tolerance | ±5mm or worse | Millimeter level |
| Terminals | May not match | Exactly matched |
| Mounting | Often needs modification | Direct drop-in |
Solution Advantages
High Cranking Rate
CA 1050A / CCA 600A maximum
Ample cranking current for large-displacement engines — one crisp start from cold.
Tested to SAE J537 · CA 1050A (20Aplus)1/3 the Weight
1/3 of an equivalent lead-acid battery
1.2–1.8kg replaces 3–4kg of lead-acid — an immediate reduction across the whole bike.
Measured data · 26650 high energy density cells30,000+ Ignitions
2,000+ cycles, 30,000+ starts
No degradation over the service life — one battery lasting as long as the bike.
IEC 62660-2 cycling test · 2,000+ deep cyclesFully Certified
CE / UN 38.3 / RoHS
Complete product certification for export compliance.
CE + UN 38.3 + RoHS · IEC 60068-2-6 vibration testedFrom Selection to After-Sales — PLB Stays With You
Four commitments that apply to every page in this category, from the first technical question to long-term support.

Technical Selection Support
Engineer recommends within 24 hours
Tell us the lead-acid model or the vehicle you are replacing and our engineers recommend the matching model within 24 hours.
Dedicated technical team · 24-hour response
OEM / ODM Customization
From cell to PACK, fully customizable
From cells, BMS, housing and terminals to the nameplate, everything can be customized.
4–8 week customization · Tooling development supported
Global Shipping
Export to 100+ countries
Export-compliant packaging with UN 38.3 air transport certification and worldwide delivery.
UN 38.3 certified · MSDS available · Export compliant
Warranty & Support
Standard warranty, lifetime support
Standard products carry a full warranty, backed by lifetime technical support.
Warranty terms on request · Lifetime technical supportWhy Choose PLB?
Years of Manufacturing
Founded in Dongguan, China in 2014
Countries Served
Export-compliant packaging and worldwide delivery
Voltage Platforms
From 25.6V to 512V, built on the same cell platform
After-Sales Rate
Monitored by the internal quality traceability system
Full Range & Model Selection
Complete product range and model selection — the standard series for everyday duty and the low-temperature D-series for cold climates.
| Standard series | Voltage | CA | CCA | Weight | Lead-acid equivalent | Applications |
|---|---|---|---|---|---|---|
| 12Apro | 12.8V | 350A | 200A | ~0.6kg | YTX5L-BS and more | Scooter / underbone / classic |
| 20A | 12.8V | 500A | 300A | ~0.9kg | YTX7A-BS and more | ATV / UTV / scooter |
| 20Apro | 12.8V | 650A | 400A | ~1.2kg | YTX9-BS and more | Sport / ADV / racing |
| 20Amax | 12.8V | 900A | 500A | ~1.5kg | YTX14-BS and more | High displacement / racing / military |
| 20Aplus | 12.8V | 1050A | 600A | ~1.8kg | YTX16-BS and more | Very high displacement / special duty |
| Low-temperature D-series | Voltage | CA | Min. starting temperature | Weight | Applications |
|---|---|---|---|---|---|
| D-12Amax | 12.8V | 300A | −20 °C | ~0.8kg | Small displacement in cold climates |
| D-20A | 12.8V | 450A | −20 °C | ~1.1kg | Mid displacement in cold climates |
| D-20Apro | 12.8V | 500A | −20 °C | ~1.4kg | Mid-large displacement, snow and ice |
| D-20Amax | 12.8V | 650A | −20 °C | ~1.7kg | High displacement, extreme cold |
By displacement: 50–150cc → 12Apro.
By scenario: Daily commuting → standard series.
Not sure? Tell us the lead-acid model or the vehicle you are replacing — our engineers will recommend directly.
Frequently Asked Questions
The questions motorcycle OEMs, dealers and riders ask most about LiFePO₄ starting batteries in the High Displacement scenario — 1050A (max cranking amps) and 30,000+ (ignitions), and what it takes to qualify.
Which pack fits the High Displacement bike already in service?
Case sizes match the common YTX/YTZ references with the same terminal layout, so the battery drops into the original box without modification. Typical models for High Displacement builds are 20Amax and 20Aplus.
How much usable capacity does the pack deliver across a ride in High Displacement service?
Cranking current stays stable across the usable SOC window, and the pack is rated for 30,000+ ignitions without degradation. Key figure: 1050A (max cranking amps).
Will the pack survive High Displacement conditions for its full service life?
The pack operates from −30 °C to 60 °C, holds charge through long storage and is protected by a multi-layer BMS against over-charge, over-discharge and short circuit. Endurance: 30,000+ (ignitions).
How does the pack connect to the charger and control system in the High Displacement scenario?
The BMS protects every cell string and reports charge state, so a rider or technician can see pack condition without opening it.
Can the pack be customized for the High Displacement application and certification file?
Cells, BMS, housing, terminals and nameplate are customizable. Custom packs take 4–8 weeks including tooling. Tell us the lead-acid model or the vehicle you are replacing and our engineers recommend the matching model within 24 hours.
Need a Selection Recommendation?
Tell us the lead-acid model or the vehicle you are replacing — our engineers will recommend the matching battery within 24 hours.
NDA available upon request · Typical response within 12 hours









