The HD Series is a maintenance-free deep cycle gel battery with a 15-20 year design life in float service. It offers 30% more life than standard gel batteries and 50% more than regular lead-acid AGM batteries. Utilizing 4BS lead paste technology and high-quality nano silica gel electrolyte, it is the ideal choice for backup and frequent cycle discharge applications in extreme environments.

• Long cycle life: Designed life is over 15 years.
• Wide working temperature: -30ºC to 60ºC; ideal for extreme climates.
• High purity lead-tin alloy: Reduces self-discharge rate and increases service life.
• High efficiency discharge performance: Safe and eco-friendly.
• Heat sealing technique: Increases tightness and stability compared to glue sealing.
• Latest valve regulation technology: Reduces internal resistance and improves battery life.

We provide comprehensive OEM & ODM services to both domestic and international clients. Our extensive experience in R&D and manufacturing helps you produce high-quality products under your own brand.

• Lead plates must pass 99.9999% purity check.
• Battery Case Testing for anti-impact and burst prevention.
• Precise acid filling and weight measurement for consistency.
• Online monitoring and deep cycle testing.
• 100% pass rate guarantee before shipment.