Molicel P50B · 21700 · 5000mAh · 45A High-Drain Rechargeable Li-ion Battery

5.00 out of 5
(1 customer review)

$16.95

  • Model: Molicel INR21700-P50B
  • Size: 21700 (≈21.55 × 70.15 mm)
  • Nominal Capacity: 5000 mAh (min. 4850 mAh)
  • Nominal Voltage: 3.6 V
  • Max Continuous Discharge: 50 A
  • Nominal Impedance: 7 mΩ (AC) / 15 mΩ (DC)
  • Top Style: Flat Top
  • Protected: No (unprotected cell)
  • Rechargeable: Yes

 

In stock

Bulk Discount Pricing

Quantity Price
1 - 9 $16.95
10 - 49 $15.26
50 - 99 $14.41
100 - 299 $13.56
300+ $12.71

Description

Molicel P50B 21700 · 5000 mAh · 50 A Rechargeable Battery

The Molicel INR21700-P50B pushes the boundaries of 21700 cells by combining 5000 mAh capacity with a high 50 A continuous discharge rating.

Its low internal resistance and robust thermal management make it ideal for applications demanding both energy and power — from e-bikes to high-performance packs.

🔋 5000 mAh high capacity
50 A continuous discharge
🧊 Nominal Impedance: ~7 mΩ (AC) / ~15 mΩ (DC)
Genuine Molicel 21700 cell

Specifications

Model INR21700-P50B
Format / Size 21700 (~21.55 × 70.15 mm)
Top Style Flat Top
Protected No (unprotected cell)
Rechargeable Yes
Nominal Capacity 5000 mAh (min. 4850 mAh)
Nominal Voltage 3.6 V
Max Continuous Discharge 50 A (cut-off at 80 °C)
Standard Charge Current 5.0 A
Max Charge Current 15 A (70 °C cut-off)
Charge Voltage 4.20 V
Cut-off Voltage 2.50 V
Nominal Impedance ~7 mΩ (AC, 30 % SOC) / ~15 mΩ (DC, 50 % SOC)
Weight ~70 g (max)

Suitable Replacements / Comparables

High-performance 21700 alternatives depending on your current vs capacity needs:

Download Molicel P50B Datasheet
Specifications from the official Molicel data sheet.

IMPORTANT SAFETY NOTICE: This cell is unprotected and must be used within a protected battery pack (with BMS or PCB). It is not intended for standalone use.

 

Additional information

Weight 0.065 kg
Battery Capacity mAh

5000

Battery Size

Battery Style

Brand

Cell Output (A)

45A

Protected

Rechargeable

Nominal Voltage

Internal Resistance mΩ

8.2

1 review for Molicel P50B · 21700 · 5000mAh · 45A High-Drain Rechargeable Li-ion Battery

  1. 5 out of 5

    Scott Arthell

    When you are looking for power these are the cells you are looking for! I was worried about buying fakes, spoke to Andy who sent me the proof they are purchased direct from Molicel, great customer service and the discounts for quantities makes them excellent value.

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Molicel P50B · 21700 · 5000mAh · 45A High-Drain Rechargeable Li-ion Battery
$16.95