Tianneng TNEP12-42 AGM gel cyclic lead-acid battery 12 V / 42 Ah

The Tianneng TNEP12-42 AGM gel cyclic lead-acid battery 12V / 42Ah is a high-quality, maintenance-free energy storage solution for applications involving regular charging and discharging cycles. Thanks to modern AGM (Absorbent Glass Mat) technology, the battery offers impressive cycle stability, low self-discharge and a reliable power supply. It is ideal for solar installations, motorhomes, UPS systems, electric vehicles, cleaning machines and numerous industrial applications. AGM batteries are leak-proof, can be used in any position and offer a high level of operational reliability. ([akkuman.de](https://www.akkuman.de/shop/akkus/akku-blei-gel-agm/xcell/?utm_source=chatgpt.com))

The Tianneng TNEP12-42 has been specially developed for cyclic use and is characterised by its robust construction and long service life. The sealed VRLA (Valve Regulated Lead Acid) system eliminates the need for topping up with water and ensures virtually maintenance-free operation. The high-quality workmanship ensures consistent performance even under demanding operating conditions. ([akkuman.de](https://www.akkuman.de/shop/akkus/akku-blei-gel-agm/XCELL/?utm_source=chatgpt.com))

Key features at a glance

• 12V / 42Ah: High-performance AGM lead-acid battery for a wide range of applications.
• AGM technology: Electrolyte bound in glass fibre mat – leak-proof and maintenance-free.
• High cycle stability: Ideal for applications involving frequent charging and discharging.
• VRLA system: Valve-regulated and fully sealed.
• Low self-discharge: Long operational readiness even after prolonged storage.
• Position-independent operation: Flexible installation options (except for permanent overhead installation).
• Robust ABS housing: Shock-resistant and durable.
• Versatile: Ideal for solar, leisure, industrial and security applications.

Areas of application

The Tianneng TNEP12-42 is ideal for:

• Photovoltaic and solar storage systems
• Motorhomes, caravans and campervans
• UPS systems and emergency power supply
• Electric vehicles and cleaning machines
• Alarm, security and medical technology
• Camping, leisure and mobile power supply

Installation & Safety Instructions

• Only charge using suitable AGM chargers.
• Avoid deep discharge and short circuits.
• Protect from direct sunlight and heat.
• Ensure correct polarity when connecting.
• Recharge regularly during prolonged storage.

Features

FAQs about the Tianneng TNEP12-42 AGM gel-cyclic lead-acid battery

What are the advantages of AGM technology?

In AGM batteries, the electrolyte is bound within a glass fibre mat. This makes them leak-proof, maintenance-free, vibration-resistant and particularly suitable for cyclic applications. ([akkuman.de](https://www.akkuman.de/shop/akkus/akku-blei-gel-agm/XCELL/?utm_source=chatgpt.com))

What applications is the battery suitable for?

The Tianneng TNEP12-42 is ideal for solar installations, UPS systems, motorhomes, cleaning machines, electric vehicles and numerous industrial applications involving regular charging and discharging.

Does the battery require maintenance?

No. Thanks to VRLA-AGM technology, the battery is completely sealed and maintenance-free. There is no need to top up the water. ([akkuman.de](https://www.akkuman.de/shop/akkus/akku-blei-gel-agm/xcell/?utm_source=chatgpt.com))

Can the battery be fitted horizontally?

Yes. AGM batteries can be operated in almost any installation position. Only permanent installation in an upside-down position should be avoided. ([akkuman.de](https://www.akkuman.de/shop/akkus/akku-blei-gel-agm/xcell/?utm_source=chatgpt.com))