
D Heavy Duty Um-1 Carbon Dry Cell Battery Lerno with Steady Power. Leak-Proof Technology: Equipped with advanced leak-proof technology to ensure safety and reliability. Long Discharge Time: Provides over 300 minutes of continuous discharge for steady power flow. 18 Months Warranty: Covers all mechanical defects with a comprehensive 18-month warranty period. Versatile Applications: Ideal for gas cookers, water heaters, flashlights, radios, and battery-operated toys. Recyclable Material: Made from recyclable zinc carbon materials to support environmental sustainability. Custom Packaging Options: Available in branded boxes upon authorization for clients with registered patents. Stable Power Flow: Designed to deliver consistent 1.5V power for D Heavy Duty applications. Efficient Production: Manufactured with a rigorous process including sealing, capping, and performance checks.