Rolls VB Series Product Description

Modified on Tue, 7 Jul at 2:05 PM

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ROLLS VB-Series LFP DROP-IN BATTERIES

Rolls VB-Series drop-in Lithium Iron Phosphate (LFP/LiFePO4) batteries are an ideal replacement for traditional lead-acid batteries of equivalent size & capacity and offer the same quality, reliability and performance found in other Rolls Battery products.

This manual provides detailed instructions for safe and proper installation, operation, and care of Rolls VB-Series LFP drop-in battery models. Please read carefully to clearly understand the operating instructions and any potential safety risks prior to installation.

Failure to install or use this battery as instructed may result in damage to the product that may not be covered under the manufacturer warranty. See warranty terms and conditions for full details.

Note: This manual offers installation, charging and troubleshooting guidance specific to Rolls VB-Series LFP drop-in lithium batteries.

See Rolls S24-2800LFP & S48-6650LFP ESS Battery Operating Manual for usage instructions specific to Rolls S24-2800LFP ESS and S48-6650LFP ESS (Energy Storage System) models.
See Rolls S48-100LFP ESS Battery Operating Manual for usage instructions specific to that 19” rack mount ESS model.
See Rolls S48-100LFP STACK-LV Battery Operating Manual for usage instructions specific to that stackable ESS model.
See Rolls R-Series, S-Series & G-Series LFP Drop-in Battery Operating Manual for usage instructions specific to R-Series, S-Series, and G-Series drop-in models.

This document is NOT APPLICABLE to the following models
51.2V LFP ESS Models (S48-100LFP ESS)	51.2V LFP ESS STACK Models (S48-100LFP STACK-LV)

S-Series LFP, G-Series LFP & R-Series LFP (S_ _-_ _ _LFP), (G_ _-_ _ _LFP) & (R_ _-_ _ _LFP)

Nominal voltage of an LFP battery differs from equivalent lead-acid batteries.

LFP Battery

Lead-Acid Battery

Cell Voltage = 3.2V

Cell Voltage = 2.0V

Battery Nominal Voltage

12.8V (4 cells)

Battery Nominal Voltage

12.0V (6 cells)

Battery Nominal Voltage

25.6V (8 cells)

Battery Nominal Voltage

24.0V (12 cells)

Battery Nominal Voltage

38.4V (12 cells)

Battery Nominal Voltage

36.0V (18 cells)

Battery Nominal Voltage

51.2V (16 cells)

Battery Nominal Voltage

48.0V (24 cells)