€113.49
The Sinergy B540022SMF is a premium Sealed Maintenance Free (SMF) 12V automotive battery engineered in the standard JIS B19 casing. Delivering 40Ah capacity and 330 Cold Cranking Amps (CCA), this unit provides instant starting power, high cyclic durability, and complete leak-proof reliability for modern passenger vehicles.
The Sinergy B540022SMF B19 12V 40Ah automotive starter battery represents cutting-edge engineering tailored specifically for compact passenger cars and light commercial applications requiring consistent, maintenance-free performance. Manufactured using advanced Calcium-Calcium (Ca/Ca) expanded metal grid technology, the B540022SMF substantially reduces water consumption, grid corrosion, and internal self-discharge compared to standard antimony lead-acid batteries. This robust internal chemistry ensures the battery maintains its optimal state of charge even through prolonged idle intervals or seasonal storage, delivering immediate starting authority when summoned.
Cold-weather cranking performance remains a fundamental benchmark for modern battery reliability. Engineered to deliver 330 Cold Cranking Amps (CCA), the Sinergy B540022SMF creates an optimal chemical reaction interface via high-density active plate material and ultra-thin microporous polyethylene envelope separators. These separators reduce internal electrical resistance, enabling lightning-fast discharge kinetics during high-torque engine starts in freezing environments. Whether enduring freezing winter mornings or blistering summer under-bonnet heat, the internal plate architecture resists active material shedding and heat-induced thermal degradation.
Durability under harsh operational conditions is reinforced by Sinergy\’s advanced casing architecture. Enclosed in a heavy-duty, reinforced polypropylene container, the B19 casing offers exceptional mechanical vibration resistance against continuous road shocks and engine harmonics. The battery features an integrated labyrinth sealed dual-lid cover equipped with integral flame arrestors. This design condenses evaporating electrolyte back into the active reservoir, ensuring true sealed maintenance-free (SMF) operation without the need for periodic water replenishment, while simultaneously safeguarding the vehicle chassis against hazardous acid misting or electrolyte leakage.
| Parameter | Specification |
|---|---|
| Brand & Model | Sinergy B540022SMF |
| Nominal Voltage | 12V (6 Cells @ 2.0V nominal) |
| Rated Capacity (20-Hour Rate) | 40 Ah |
| Cold Cranking Amps (CCA / EN) | 330 CCA |
| Box / Case Type | JIS B19 (NS40 Series) |
| Dimensions (L x W x H) | 187 mm x 127 mm x 220 mm |
| Terminal Polarity / Layout | + – (Positive / Negative Configuration) |
| Base Hold Down Type | B0 (Flat base, secured via vehicle top clamp) |
| Battery Chemistry | Calcium-Calcium Sealed Maintenance Free (SMF) |
| Venting System | Integrated Labyrinth Seal with Flame Arrestor |
The Sinergy B540022SMF is constructed precisely to the JIS B19 external dimensional footprint (187 x 127 x 220 mm), making it an exact replacement for millions of Japanese, Korean, and European compact hatchbacks, sedans, and light utility vehicles. Vehicles from manufacturers such as Honda, Toyota, Suzuki, Nissan, Daihatsu, Hyundai, and Kia frequently employ this specific footprint due to tight packaging constraints within modern engine compartments. The B0 base specification indicates an absence of lower mounting flanges, meaning the battery relies on standard automotive top-bracket clamp assemblies for rock-solid stability.
It is crucial to understand the electrical application boundaries of this unit regarding modern powertrain technologies. The Sinergy B540022SMF is an advanced SLI (Starting, Lighting, Ignition) lead-acid battery optimized for standard 12V automotive charging systems. It is not engineered for micro-hybrid vehicles equipped with regenerative braking or advanced idle Stop-Start systems, which demand specialized AGM (Absorbent Glass Mat) or EFB (Enhanced Flooded Battery) cyclic technology. However, for conventional internal combustion engines equipped with standard auxiliary electronic accessories, infotainment displays, and standard alternators, the B540022SMF provides exceptional cyclic reserve, prompt alternator recharging recovery, and stable line voltage.
To extract the longest service life and utmost reliability from your Sinergy B540022SMF battery, adhere strictly to professional installation best practices. Before installing, inspect the battery tray and top clamp bracket for signs of structural oxidation, debris, or warping. Disconnect the old battery beginning with the negative (-) ground cable first to eliminate the risk of accidental electrical short circuits, followed by the positive (+) cable. Thoroughly clean the vehicle cable clamps using a wire terminal brush to strip away resistive lead oxidation and road grime.
Position the Sinergy B540022SMF into the battery tray, ensuring it sits completely level. Secure the top cross-bar hold-down assembly firmly; the clamp must be snug enough to prevent lateral movement without over-torquing, which could crack the plastic jar. Reconnect the cables in reverse order: connect and tighten the positive (+) lead first, followed by the negative (-) ground cable. Finish by applying a light film of dielectric terminal grease or acid-free petroleum jelly to the terminals to inhibit atmospheric oxidation. Regularly inspect your vehicle alternator output voltage, which should maintain between 13.8V and 14.4V at standard operating temperatures to guarantee complete, non-gassing recharge cycles.
No, the Sinergy B540022SMF is a standard Calcium-Calcium Sealed Maintenance Free (SMF) starter battery. It is designed for conventional charging systems and will experience accelerated plate degradation if fitted into an active Start-Stop or regenerative braking platform, which requires dedicated EFB or AGM battery architectures.
No, this unit is 100% Sealed Maintenance Free (SMF). The Calcium-Calcium internal alloys and labyrinth dual-lid condensation system prevent water loss throughout its entire operating life under correct charging conditions.
The B0 specification signifies that the battery case has smooth, flat lower edges without protruding bottom mounting lips or ledges. The unit is secured inside the vehicle using a standard overhead frame or top clamp assembly.
The primary causes of early battery failure include continuous undercharging from short urban driving cycles, excessive parasitic draw from aftermarket accessories, loose hold-down clamps causing internal structural vibration damage, and faulty alternator voltage regulators exceeding 14.8V.
Compare the physical dimensions (187mm length, 127mm width, 220mm total height), terminal orientation (+ – layout), and top hold-down bracket of your existing battery. If your vehicle specifies a JIS B19 or NS40 form factor, this unit is an exact direct fit.
| Weight | 6967131678 kg |
|---|---|
| Dimensions | 18.7 × 12.7 × 22 cm |
Verified technical specifications, vehicle compatibility, and maintenance answers.
No, this battery is not suitable for vehicles equipped with idle Start-Stop (micro-hybrid) systems. The Sinergy B540022SMF is a standard Sealed Maintenance Free (SMF) flooded lead-acid battery engineered for conventional 12V starting, lighting, and ignition (SLI) systems in compact Asian and European passenger cars. Modern Start-Stop vehicles require high cyclic endurance batteries—either Enhanced Flooded Batteries (EFB) or Absorbent Glass Mat (AGM) units. Installing this standard flooded battery into a Start-Stop vehicle will result in rapid active material shedding, acid stratification, and premature failure within months, which typically voids warranty coverage.
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