12V 66Ah MF Maintenance Free Battery – Forklift Automotive

12V 66Ah MF DIN66 Maintenance-Free Lead Acid Battery — 528A CCA, Japan/German Standard, Multi-Brand OEM

This 12V 66Ah MF (Maintenance-Free) lead acid battery model DIN66 is a sealed starting battery rated at 528 cold cranking amps (CCA), manufactured to Japan and German quality standards across a 100,000-square-meter factory with over 400 employees. Available under multiple OEM brand names (Booster, TNT, Largestar, Bohan) with custom dimensions and colors, this battery serves forklift, car, bus, taxi, and marine starting applications. The maintenance-free design eliminates water topping requirements through calcium-alloy grid technology that reduces electrolyte consumption, while the 279×175×190mm DIN-standard footprint fits Group 66 battery trays across Asian and European vehicle platforms. Certifications include ISO9001:2000, ISO14001, ISO/TS16949, CE, ROHS, and SONCAP — reflecting the manufacturing quality required for OEM supply to the China Accumulator Association member company.

Installing a DIN66 MF battery in a forklift or vehicle requires verifying terminal orientation (positive-left or positive-right matching the vehicle’s cable layout) and confirming the 279×175×190mm dimensions match the battery tray. Maintenance-free batteries do not have removable vent caps for electrolyte level inspection — the calcium-alloy grid design reduces water consumption to near zero over the battery’s service life, but the sealed design also means deep discharge or overcharging damage is irreversible since electrolyte cannot be replenished. For forklifts operating in multi-shift duty cycles, verify the alternator or charger output voltage is within 14.2-14.6V for MF calcium batteries. The 528 CCA rating provides adequate cold-start current for diesel forklift engines in moderate climates, but operators in extreme cold regions should verify CCA requirements against the engine’s cold-start specification. 12-month warranty with Green Production Enterprise certification.

Technical Specifications

ISO9001:2000, ISO14001, ISO/TS16949, CE, ROHS, SONCAP certified. 12-month warranty. OEM available. For bulk orders, contact us.