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Product Description

Product Description:

This high-capacity 52 V 25 Ah (14 S × 5 P) lithium-ion battery uses genuine Samsung 50S cells for exceptional energy density and reliability.
Housed in a reinforced DP-7 slide-rail case with key lock, 4-LED battery level display, and XT90 connector, it’s engineered for long-range E-bikes, cargo bikes, and high-power Golden Motor systems.
The built-in 50 A BMS ensures stable discharge, full protection, and a long service life.

Parameter Specification
Model FP5225R0 (AXX00750005 – A1)
Watt Hours 1300 Watt hours
Dimensions 

368 × 150 × 95 mm

14.49 × 5.91 × 3.74 inches

Cell Type Samsung 50S 21700 3.6 V 5000 mAh
Configuration 14 S × 5 P
Energy ≈ 1.3 kWh
Standard Charge 58.8 V CC/CV @ 2 A (5 A max)
End-of-Charge Current 250 mA
Max Continuous Discharge 50 A
Peak Discharge (3 s) ≈ 55 A
Cycle Life ≥ 500 cycles (@ ≥ 70 % capacity)
BMS Protection Over-charge / Over-discharge / Over-current / Short-circuit / Temp cut-offs
Output Connector XT90 (UL3135 12 AWG lead 300 mm)
Charge Port Reention mini 3-pin DC
Case Type DP-7 slide-rail with lock and LED gauge
Display LEDs 1 × Red (< 44.8 V) + 3 × Green (≥ 47.6 / 50.4 / 53.2 V)
Shipment Voltage 51.8 – 53.9 V
Weight ≈ 6.1 kg ± 0.3 kg
Operating Temperature Charge 0 – 45 °C / Discharge –10 – 40 °C
Storage Temperature –5 – 35 °C (half-charged; recharge every 3 months)
Short-Circuit Delay ≈ 512 µs
Waterproof Rating IP54 (sealed rails and gasketed lid)

 

Included in Package

  • 1 × 52 V 25 Ah DP-7 Battery Pack (with slide rail and lock)

  • 1 × 58.8 V 3 A Charger (US AC plug / Reention mini 3-pin DC output)

  • 1 × XT90 pigtail cable (110 mm lead length)

  • 3 × Shock pads for mounting

Safety & Handling

  • Use only the included 58.8 V CC/CV charger.

  • Avoid reverse polarity and short-circuits.

  • Do not charge below 0 °C or discharge below –10 °C.

  • Store cool and dry at ≈ 50 % SOC if unused > 3 months.

How to maintain the battery?

The battery should be stored in clean, dry, ventilated, dark environment. When unused, keep it at half charge and recharge it every 3 to 6 months.

Charging Instructions

The charger’s indicator light will display red while the battery is charging. Once the battery is fully charged, the indicator will change to green.

How to prolong your lithium ion battery?

Recharge your batteries before they are completely dead.

After every 30 charges, allow your lithium based battery to completely discharge before recharging.

What about warranty?

  • We provide 12 months warranty
  • Product quality guaranteed by PAIC insurance