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48V Lithium Battery Packs

48V lithium battery packs are used in e-bikes, golf carts, electric scooters, solar storage and forklifts. Capacity, discharge current and installation dimensions depend on the equipment.

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Product Categories · 48V

48V Battery Applications

5 application categories

Have another application in mind? Discuss your requirements.

What Is a 48V Lithium Battery Pack?

A 48V lithium battery pack combines rechargeable cells into an assembly for equipment in the 48V voltage class. Series-connected cells establish the pack voltage; cell capacity and any parallel groups determine its Ah rating. The complete pack also needs a suitable battery management system, electrical connections and mechanical protection.

For the differences in voltage, capacity and manufacturer permission, read our lithium batteries in series vs. parallel guide.

The 48V label does not identify one chemistry or one fixed voltage. For example, 13 series-connected cells rated at 3.7V give 48.1V nominal. LiFePO4 cells rated at 3.2V give 48V in a 15-series arrangement or 51.2V in a 16-series arrangement. The charger and equipment must match the chosen pack’s full operating range.

Why Consider a 48V Battery System?

Power with lower current

At the same electrical power, a higher voltage means less current. A 48V system draws one quarter of the current of a 12V system in an ideal comparison. This can reduce resistive losses, but it requires equipment designed for that voltage.

Capacity matched to the job

The voltage class does not fix the energy capacity. Pack sizing can balance operating time, weight and available space, whether the priority is a compact vehicle installation or a stationary backup load.

Battery management and integration

A suitable BMS monitors cells and manages protection limits. Where the equipment requires it, a compatible communication system can share battery status with a controller or inverter. Features depend on the selected design.

How to Compare 48V Battery Packs

Selection criteria for comparing 48V battery packs, not model specifications
Selection criterionWhat to compare
Chemistry & voltage rangeCompare cell chemistry, nominal voltage, charge limit and discharge cutoff with your equipment and charger.
Capacity & energyCompare Ah and Wh at the stated nominal voltage. Estimate runtime against your equipment load, not capacity alone.
Charge & discharge currentCheck charging current, continuous discharge current and peak current with its allowed duration.
Size, weight & connectionsCheck pack dimensions, mounting clearance, weight and connector details against the installation.
BMS & communicationCheck protection functions and any communication interface required by the controller or inverter.
Operating temperatureCompare the specified charging, discharging and storage temperature ranges with the intended environment.

Custom 48V Battery Pack Projects

A new equipment design or a constrained battery compartment may need more than a standard pack. Discuss the electrical, mechanical and integration requirements with antbattery to define a project-specific proposal.

  1. 01 · Electrical design

    Define the chemistry, usable energy, operating voltage and load profile. Review charging current and the duration of peak loads alongside the continuous rating.

  2. 02 · Mechanical integration

    Define the enclosure, mounting points, cable exits and connectors around the equipment. Include weight limits and the expected installation environment.

  3. 03 · Controls and validation

    Specify BMS functions and any communication requirements. Agree sample tests for fit, charging, load response and equipment integration before a production order.

48V Battery Pack FAQs

What is the full-charge voltage of a 48V lithium battery?

There is no single value for every 48V pack. For example, a 13-series pack using cells with a 4.2V charge limit reaches 54.6V; a 16-series LiFePO4 pack using a 3.65V limit reaches 58.4V. These are calculation examples, not charger settings for an unidentified battery. Follow the exact pack specification.

Is a 48V battery the same as a 51.2V battery?

Not necessarily. “48V” often describes a system class. A 16-series LFP pack is commonly rated at 51.2V nominal. Compatibility depends on the complete operating voltage range, charger settings, BMS and equipment requirements.

What capacity do I need for a 48V battery pack?

Start with energy demand. Nominal energy in Wh is nominal voltage multiplied by capacity in Ah: a 48V, 20Ah pack represents 960Wh. Actual runtime depends on usable energy, load, temperature and system losses. Choose current capability separately; an Ah rating alone does not establish motor or inverter compatibility.

Can a 48V lithium battery replace a lead-acid battery?

It may be possible in a compatible system, but it is not automatically a drop-in replacement. Review the charger, controller voltage range, current demand, mounting and battery monitoring. Forklifts also need the battery mass specified by the truck manufacturer.

Can I connect 48V battery packs in parallel?

Only if the pack manufacturer explicitly supports that configuration. Follow the specified limits for pack model, state of charge, BMS, wiring and protection. Matching voltage labels alone is not permission to connect packs together.

Can a 48V battery use CAN or RS485 communication?

Some battery designs use CAN or RS485 to exchange operating data with equipment. The interface name alone does not establish compatibility: message protocol, connector pinout and software integration must also match. Specify the controller or inverter model when requesting this feature.

How long does a 48V lithium battery last?

Voltage alone cannot predict service life. Cell chemistry, depth of discharge, temperature, charging and duty cycle all matter. Compare cycle-life figures only with their test conditions and remaining-capacity threshold; use the selected model’s data for a project estimate.

Can I request a custom 48V battery pack?

Send antbattery your application, equipment model, target energy, current profile and installation drawing. Include charger and communication requirements. The proposed design, available features and sample scope need to be agreed for your project before ordering.

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