2-FM-8.5B 4V 8Ah compact valve-regulated sealed lead-acid battery with dimensions 70 × 47 × 100 mm, total height 104 mm and weight 0.8 kg.
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Send model 2-FM-8.5B, quantity and target application for fast quotation.
WhatsApp Sales Now| Model | 2-FM-8.5B |
| Series | FM Small VRLA Battery |
| Technology | Compact Valve-Regulated Sealed Lead-Acid Battery |
| Rated Voltage | 4V |
| Capacity | 8Ah |
| Length | 70 mm |
| Width | 47 mm |
| Height | 100 mm |
| Total Height | 104 mm |
| Weight | 0.8 kg ±3% |
| Application | UPS, emergency lighting, security alarm, medical equipment, scale, toys and small backup power |
Multiple product views are shown when exact model images are available in the CHISEN local asset library.
2-FM-8.5B 4V 8Ah FM VRLA Battery is structured as an engineering-grade product page for international B2B buyers, combining technical specifications, application logic, performance curves, FAQ and datasheet access.
2-FM-8-5B belongs to the CHISEN Sealed AGM VRLA standby battery platform. This page is designed for selection, comparison and inquiry by distributors, OEM buyers, system integrators and project engineers.
Application mapping helps buyers select the correct battery platform by industry and working condition rather than by model number only.
The following curve area standardizes how charging, discharging and storage behavior are explained across CHISEN product pages. Final curve values should be confirmed by the model-specific datasheet when available.
Shows typical charging voltage, charging current and capacity recovery behavior.
Helps engineers estimate voltage behavior under different discharge rates.
Supports storage planning and high-temperature market evaluation.
FM compact VRLA batteries are designed for standby power applications such as UPS, security systems, emergency lighting and small backup equipment.
Yes. The sealed AGM VRLA design is maintenance-free under normal standby operating conditions.
Yes. The FM series shares the same VRLA technology platform; individual pages keep their own voltage, capacity, dimensions and weight while using the same engineering behavior framework.