This document describes the Sonnenschein dryfit A 500, a new generation of maintenance-free lead acid accumulators featuring grid plates and fixed electrolyte. The technology offers benefits such as higher nominal capacity (15% increase), improved power-to-volume ratio, longer life expectancy, low self-discharge, and suitability for installation in any orientation.
| Technology type | maintenance-free lead acid accumulators with grid plates and fixed electrolyte |
|---|---|
| Capacity increase | 15% over existing dryfit batteries |
| Life expectancy increase | 20% over A 200 (at room temperature) |
| Self-discharge rate | About 50% of capacity remains after 2 years at 20 °C |
| Recovery after recharge | 100% of nominal capacity |
Yes, the unique gel electrolyte allows the cell to function normally and be installed in any position.
The batteries conform with DIN 43534, DIN 43539 part 1 and 5, IEC 1056 part 1 and 2.
No maintenance is required throughout the battery's long life.