
MAINTENANCE FREE BATTERY 620 34
PRODUCT ADVANTAGES
High-purity lead alloy: The Maintenance Free Battery 620 34 adopts high-purity lead alloy material, with good acid resistance and steady starting performance.
Efficient cold-weather starting: Adopting radiation network plate structure design, the Maintenance Free Battery 620 34 can provide stable starting output under low-temperature environments.
Advanced electrolyte formulation: The battery applies custom-developed electrolyte formula, which can slow down crystallization in low-temperature conditions and keep stable working performance.


Extended service life: Combined with high-purity alloy material and dedicated electrolyte formula, the battery improves corrosion resistance and achieves longer service life.
Low self-discharge rate: It keeps good charge retention performance during long-term storage, and can maintain normal starting performance when in use.
Completely maintenance-free: No need for additional water or acid replenishment, bringing convenient daily use experience.
Optimized ergonomic design: The battery is upgraded in outer structure design, convenient for carrying and installation, and compatible with most vehicle models.
DETAILED SPECIFICATIONS
| Model | DIN Type | Capacity 20 HRS | CCA (A) (-18℃) | RC | Maximun Overall | Layout | Terminals | ||||
| (Ah) | IEC | EN | (Min) | Dimension(mm) | |||||||
| DRY | SMF | L | W | H | |||||||
| 555 065 042 | 620 34 | 120 | 600 | 820 | 960 | 224 | 512 | 189 | 225 | 3 | 1 |
SHIPPING & PACKAGING


HEALTH AND SAFETY
CAUTION:
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When moving the battery, handle it with care. The battery is heavy-do not drop it. If a handle is provided, do not use it to shake or swing the battery, as this may cause injury.
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Do not store the battery in the following conditions:
• High temperature or high humidity
• Exposure to rain, snow, or direct sunlight
QUALIFICATIONS & CERTIFICATIONS
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Grandstone supplies a full range of tires, wheels and batteries for commercial, passenger and industrial vehicles, all developed under standardized quality management and manufactured in line with DOT, ECE and ISO/TS 16949 international certifications for steady performance and safety.
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Operating in over 100 countries globally, we earn worldwide customer trust by reliable product quality and stable global supply capacity. -

COMPANY INTRODUCTION

Founded in 2001, Qingdao Grandstone Tyre is an experienced Chinese tire manufacturer and global supplier, covering R&D, production, global distribution and professional after-sales service.
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