The Long WPL65-12ARN is a powerful 12V 65Ah sealed lead-acid (SLA) battery engineered for dependable power storage and backup applications. Its maintenance-free design ensures long-lasting performance without the need for routine servicing. With low internal resistance, efficient charge retention, and high discharge capability—including a maximum discharge current of 780A for 5 seconds—it delivers consistent and reliable energy for demanding systems.
Ideal for UPS units, solar energy storage, emergency backup, and industrial applications, the WPL65-12ARN is built with a rugged ABS casing for enhanced durability and safety. Designed to perform in varied temperature conditions, it offers fast-charging capability and robust performance, making it a reliable solution for critical power needs.
roduct Specifications
| Type | lead-acid battery |
| nominal voltage | 12v |
| capacity 65ah (20hr, 3.25a to 10.50v) | |
| capacity 61.75ah (10hr, 6.175a to 10.50v) | |
| capacity 55.25ah (5hr, 11.05a to 10.20v) | |
| capacity 41.17ah (1c, 65a to 9.60v) | |
| capacity 26ah (3c, 195a to 9.60v) | |
| maximum discharge current | 780a (5 seconds) |
| internal resistance | approx. 7mω |
| charging voltage (standby use) | 13.5 – 13.8v |
| maximum charging current | 19.5a |
| operating temperature charge | -15°c to 40°c |
| operating temperature discharge | -15°c to 50°c |
| operating temperature storage | -15°c to 40°c |
| charge retention (shelf life at 20°c) 1 month | 98% |
| charge retention (shelf life at 20°c) 3 months | 94% |
| charge retention (shelf life at 20°c) 6 months | 85% |
| length | 350 ±2/-1 |
| width | 167 ±2/-1 |
| height (h/ht) | 179 ±2/-1 |
| weight | approx. 20.9kg (45.98 lbs) |
| terminal torque (m6) | 7-9 n-m (71-92 kgf-cm) |





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