Softpack Battery 48V 35Ah BMS 30A XLR-3 with M50T

ENERpower Softpack-Akku 48V | Format 13S7P | Energie 1680Wh | Kapazität 30 Ah | für Pedelecs, eBikes DIY | mit LG Chem INR21700-50MT


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Connector (discharge)
Product number: 48130702302
Manufacturer: ENERpower
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Softpack Battery 48V 35Ah BMS 30A XLR-3 with M50T Connector (discharge): Anderson
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Charger 53.3V 5A Cycle-Life 275 Watt
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Charger 54.6V 10A
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Charger 54.6V 4.5A 250 Watt
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Product information "Softpack Battery 48V 35Ah BMS 30A XLR-3 with M50T"

ENERpower Softpack battery 48V in format 13S7P | 1680 Wh | capacity 35 Ah | for Pedelecs, eBikes DIY | with  INR21700-M50T

Important General Information

The 48V batteries in softpack, which we manufacture in Berlin, have 2 versions square and rectangular. The batteries are manufactured in plastic cell brackets. Charging is done with a high-quality spiral cable (20 cm – 100 cm) with an XLR-3 PINS, discharging via a discharge cable with XT90 connector (male). A fuse of 30A in a water-resistant holder limits the current drain.

In the square version, 10 cells are used on the longest side (220 mm). We manufacture this type of battery in the formats 13S3P (construction 10×4), 13S4P (construction 10×6), 13S5P (construction 10×7) and 13S6P (construction 10×8) etc.

In the rectangular version, 13 cells are used on the longest side (286 mm). We assemble this type of battery in the formats 13S2P (construction 13×2), 13S3P (13×3), 13S4P (13×4), 13S5P (13×5) and 13S6P (13×6) etc.

The Battery Management System (BMS) is always mounted on the longest side of the battery. At this side the battery is approx. 10 -15 mm thicker.

We manufacture the Softpack batteries with FR4 insulation, flame retardant composites made of epoxy resin and glass fabrics. FR-4 is used, among other things, as an electrically non-conductive carrier material for electrical circuit boards.

In this battery we have an LED charge status display (empty/25%/50%/75%/full). This is located on the upper side of the battery

Compatible with 48V motors

250 Watts / 500 Watts / 540 Watts / 750 Watt / 950 Watt / 1200 Watt / 1500 Watt


  • High-quality production - Made in Germany
  • Production Just-In-Time
  • BMS with an integrated passive balancer and protection against overcharge, over-discharge, over-discharge (temperature monitoring)
  • Direct from the manufacturer
  • Rechargeable - After 300 charging cycles, still maintains 80% of the original capacity
  • No memory effect - charge the battery whenever you want
  • Environmentally friendly in accordance with EU Directive 2002/95 / EC (RoHS)

Technical Specifications

  • Li-ion Cell:  INR21700-M50T
  • Voltage (nominal): 48V (46.8V - 48.1V)
  • Capacity: 35 Ah
  • Power: approx. 1680 Wh
  • Configuration: 13S7P (set up: 13×7)
  • Internal resistance: < 75 mOhm
  • Charge voltage: 54.6V
  • End-of-discharge voltage: 39V
  • Continuous discharge Current: 30A = 1440 watts
  • 5 seconds discharge current: 40A = 1920 watts
  • Weight: 6.95 Kg.
  • Charge connector (connects to the charger): XLR-3 (3 pins)
  • Discharge connector (connects to the motor): XT-90


  • Length: 305 mm
  • Width: 165 mm – 175 mm
  • Height: 74 mm
Akku-Konfiguration: 13S7P
Akkuchemie: Li-Ion
Akkukapazität (Bereich): More than 20Ah
Akkuspannung: 48V
Ausgangsleistung: Until 1440 watt
BMS: 30A
Battery Cell: LG INR21700-M50T
Softpack-Ausführung: Rectangular

The use of well-known brand-name batteries, our own production technology, high safety standards and the unbeatable seal of German quality all serve to justify the excellent reputation of ENERpower brand products. Whether it concerns batteries or chargers, the ENERpower brand guarantees you quality, performance, safety, and long lifespan.

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