Alkaline batteries VARTA LR20 4920, 2 pcs.
VARTA LR20 4920 Alkaline Batteries – Maximum Power and Durability
Product: VARTA LR20 (Size D) Alkaline Batteries
Quantity: 2 pieces per pack
When it comes to devices that demand significant energy, there can be no compromises. VARTA LR20 4920 (commonly known as "D" size batteries) is the German quality standard, ensuring your equipment runs smoothly and without interruption. We tested these batteries and evaluated their performance.
Technical Summary (Specifications)
- Type: Alkaline Cell.
- Size: D / LR20 / Mono / MN1300.
- Voltage: 1.5 V.
- Dimensions: Diameter 34.2 mm, Height 61.5 mm.
- Packaging: 2 pcs in a blister pack.
1. Energy Density and Performance
The VARTA "Longlife Power" series is specifically designed for devices requiring a constant but strong current. These alkaline cells feature:
- High Capacity: Compared to cheaper alternatives, the LR20 model lasts significantly longer, reducing the frequency of battery changes.
- Stability: Even as energy depletes, the voltage remains high enough for the device to operate at full power until the end of the cycle.
- Temperature Resistance: These batteries perform reliably in both cool and warm conditions, which is crucial for outdoor equipment.
2. Versatility and Application
D size batteries (LR20) are among the largest standard cells on the market, making them indispensable for the following devices:
- Powerful Lanterns: Ideal for industrial or camping spotlights.
- Music Systems: Portable radios and boomboxes last longer even when playing loud music.
- Household Appliances: Automatic gas heaters, toys, or doorbells requiring 1.5V voltage.
3. German Quality and Safety
VARTA is one of the world's leading manufacturers, so special attention is paid to safety. These cells feature advanced leak protection, giving you peace of mind that expensive equipment won't be damaged by corrosion or electrolyte leakage.
Verdict
VARTA LR20 4920 is the best choice for those seeking maximum reliability. While not the cheapest option on the market, its operating life and safety guarantee fully justify the investment. These are batteries you can rely on in critical situations.
Frequently Asked Questions (FAQ)
What is the shelf life of these batteries?
VARTA alkaline cells retain their energy for up to 10 years when stored under proper conditions, making them worth purchasing for backup.
Are these batteries rechargeable?
No, these are single-use alkaline batteries. Attempting to recharge them can cause leakage or damage to the charger.
What is the difference between LR20 and R20?
LR20 is an alkaline battery, which is significantly more powerful and long-lasting than R20 (Zinc-Carbon) type cells.