6V 420Ah L16 AGM Deep Cycle Battery

Description

The 6V 420Ah Deep Cycle AGM Battery (L16 size) delivers reliable, maintenance-free power for demanding applications including solar, RV, marine, and industrial systems. Designed for frequent charge and discharge cycles, it provides long-lasting performance and consistent energy output.

This AGM battery offers a maintenance-free alternative to traditional flooded L16 batteries. It is ideal for applications where spill-proof operation and reduced maintenance are important.  Looking for a flooded option? See our Rolls L16 or U.S. Battery L16.

Compatible With / Replaces

The VTD6-420 is a compatible replacement for L16 AGM batteries including:

• DC400-6
• GPL-L16
• L16 AGM
• L16-AES
• R6-L16AGM
• S6-370AGM
• US-AGML16

Always confirm dimensions, terminal type, and system requirements before replacing.

Key Features

• 420Ah Deep Cycle Capacity – Ideal for high-demand and long runtime applications
• Long Cycle Life – Up to 1,200 cycles at 50% depth of discharge
• Maintenance-Free AGM Design – Sealed construction prevents spills and reduces upkeep
• Fast Recharge – Efficient charging for reduced downtime between cycles
• Durable Construction – Built with robust internal components for long-term reliability
• Long Service Life – Designed for up to 15 years in standby/float applications

Common Applications

• Off-grid solar systems
• RV and marine applications
• Backup power systems
• Telecom and industrial equipment

Specifications

• Voltage: 6 Volt
• Capacity: 420 Ah
• Chemistry: AGM (Absorbent Glass Mat)
• BCI Group Size: L16
• Length: 11.61″ / 295 mm
• Width: 7.01″ / 178 mm
• Height: 15.91″ / 404 mm
• Height (with terminal): 16.15″ / 410 mm
• Weight: 125.2 lbs / 56.8 kg
• Terminal: M8 insert terminals
• Data Sheet: VTD6-420 Specification Sheet (PDF)
• Warranty: Valiant VTD Warranty

FAQs

What is an L16 AGM battery?

An L16 AGM battery is a sealed 6V deep cycle battery designed for high-capacity applications such as solar, RV, and backup power systems. It offers maintenance-free operation and reliable long-term performance.

What is the difference between AGM and flooded L16 batteries?

AGM batteries are sealed and maintenance-free, with no need to add water and no risk of spills. Flooded batteries require maintenance but are usually more cost effective compared to AGM batteries. AGM batteries are ideal where convenience and clean operation are important.

Is this battery suitable for solar systems?

Yes, this battery is well suited for off-grid solar systems and energy storage applications. Its deep cycle design allows it to handle repeated charge and discharge cycles.

How many batteries do I need for a 12V or 24V system?

You will need two 6V batteries in series to create a 12V system, and four 6V batteries in series for a 24V system. Larger systems may require multiple strings depending on capacity needs.

Can I replace a flooded L16 battery with this AGM battery?

In many cases, yes. AGM batteries can replace flooded L16 batteries if the size, voltage, and terminal type match. However, you should confirm compatibility with your charging system, as AGM batteries may require different charging settings.

Does this battery require maintenance?

No. This is a sealed AGM battery, so it does not require watering or regular maintenance like a flooded battery.

Is this battery available for shipping?

This battery is not available for online purchase due to its size and weight. It is available for purchase in-store. Contact us to check availability or inquire about local delivery options.