72v 30ah 40ah 45ah 50ah Lithium Ion Battery Pack

We use Lithium ion 32650 high quality cell to make 72V 45Ah battery pack. With combined-port BMS, protecting the battery pack from overcharging, overdischarging and overtemperature.

Description

Electric Scooter 3000w Lithium Ion Battery 72v 30ah 40ah 45ah 50ah Battery Pack

Nominal Voltage12V 24V 36V 48V 52V 60V 72V 82V 96V etc.
Nominal Capacity10Ah-480Ah.ect
Size/DimensionCustomized to your requirements
Max Charging VoltageCustomized to your requirements
Max Continuous Discharge CurrentCustomized to your requirements
Cut-off Discharging VoltageCustomized to your requirements
Peak/Pulse CurrentCustomized to your requirements

Electric Scooter 3000w Lithium Ion Battery 72v 30ah 40ah 45ah 50ah Battery Pack

Specifications

No.ItemsSpecifications
1Nominal Voltage51.2V
2Nominal Capacity40Ah
3Cell InsideLiFePO4 3.2V 32600 6AH
4Configuration16S
5Standard Charge Current3A (0.2C)
6Max. Charge Current16A (1C)
7Battery management System (BMS)Self-developed
8Continuous Discharge Current30A
9Peak Discharge Current60A
10Full Charged Voltage58.4V (3.65V per cell)
11Charge Cut-off Voltage62.4V (3.9V per cell)
12Discharge Cut-off Voltage32V (2.0V per cell)
13Net Weight17.4kg
14Dimensions295(L)*150(T)*232(W)mm
15ConnectorInput: AGW 18 in 30CM
Output: AGW 12 in 30CM
16Operating TemperatureCharging: 0°C ~ 45°C

Discharging: -20°C ~ 55°C

17Storage Temperature(Recommended to store 20 ± 5°C for long term storage)
18Cycle Life2000 times (80% of initial capacity at 0.2C rate, IEC Standard)

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Application

  1. Application of the new energy automobile industry
  2.  Start the application on the power supply
  3.  Application of energy storage market
  4.  Applications in other fields

Electric Scooter 3000w Lithium Ion Battery 72v 30ah 40ah 45ah 50ah Battery Pack Electric Scooter 3000w Lithium Ion Battery 72v 30ah 40ah 45ah 50ah Battery Pack

72V 3000W battery pack: run time and range

Usable energy is voltage multiplied by amp-hours. The packs on this page hold:

  • 72 V × 30 Ah = 2.16 kWh
  • 72 V × 40 Ah = 2.88 kWh
  • 72 V × 45 Ah = 3.24 kWh
  • 72 V × 50 Ah = 3.60 kWh

At a 3,000 W continuous draw the 45 Ah pack runs for roughly 65 minutes at full load; in real riding, with part-load cruising and stops, plan on 40–70 minutes of hard use or considerably more at touring speeds. Range is then energy divided by consumption: a scooter using about 25 Wh/km covers roughly 120–130 km on 3.24 kWh, while an aggressive machine at 45 Wh/km covers about 70 km.

72V 30Ah / 40Ah / 45Ah / 50Ah compared

PackEnergyApprox. weightTypical range*Best for
72 V 30 Ah2.16 kWh~19 kg70–85 kmLight commuters, delivery short shifts
72 V 40 Ah2.88 kWh~24 kg95–115 kmDaily commuting, mixed terrain
72 V 45 Ah3.24 kWh~26 kg110–130 kmLonger commutes, cargo
72 V 50 Ah3.60 kWh~29 kg125–145 kmHigh-range touring, heavy loads

*Range assumes roughly 25–28 Wh/km and will fall with hills, headwind, payload and hard acceleration.

What is inside: cells and BMS

These packs are built from high-quality 32650 cylindrical cells — the same cylindrical format logic that governs 21700 vs 18650 cell choice — and a self-developed combined-port BMS. A 72 V LiFePO4 pack needs 22–23 series cells (3.2 V nominal each, so about 70.4–73.6 V); the parallel count then sets the amp-hour rating. The combined-port design routes charge and discharge through one connector, which simplifies wiring and lets the BMS protect both directions from a single set of FETs. Protection covers over-charge, over-discharge, over-current, short circuit and over-temperature. For the technology inside, see what a BMS does inside a battery pack.

Charging a 72V lithium battery pack

A 23S LiFePO4 pack charges to 83.95 V (3.65 V per cell) and needs a charger rated for that voltage — a 72 V nominal charger, not a 48 V unit. Charge current of 0.2C (about 9 A for a 45 Ah pack) brings a depleted pack back to full in roughly 5–6 hours and is the gentlest option for cycle life; higher currents shorten charge time at some cost in longevity. Never charge a LiFePO4 pack below 0 °C.

How to choose the right capacity for your scooter

  • Match the controller. The BMS continuous rating must exceed the controller’s maximum current, with headroom for acceleration peaks.
  • Size from range, not from the motor. Work out Wh/km for your route, multiply by the distance you need, then add a 20–30% reserve.
  • Check the space and weight budget. A 50 Ah pack is about 10 kg heavier than a 30 Ah unit; confirm the frame and mounts can take it.
  • Confirm the connector and voltage. A 72 V pack must pair with a 72 V controller and charger; voltage classes are not interchangeable.

72V battery FAQs

How long does a 72V 45Ah battery last?

At a 3,000 W continuous draw, about one hour; in mixed riding, 40–70 minutes of hard use or 110–130 km of typical range. Cycle life for these LiFePO4 packs is around 2,000 cycles to 80% of initial capacity.

How many cells are in a 72V lithium battery?

Twenty-two to twenty-three series cells, since LiFePO4 cells are 3.2 V nominal. The parallel count is then chosen to hit the required amp-hour rating.

Can I use a 72V battery on a 3000W motor?

Yes, and it is a well-matched combination — 72 V at 42 A gives roughly 3,000 W. The BMS and controller must both be rated above that current with headroom for peaks.

Need a quote? Tell us your voltage, capacity and connector requirements and we will build the pack to match — factory-direct, no obligation.