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 |
SKU: 50B
Categories: Li-Ion Batteries, 21700 Batteries 🔋, High Output Batteries, Molicel
Tag: BOX-100
Brand: Molicel
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:
- Molicel P45B
- LG M50LT (5000 mAh, ~14 A)
- Samsung 50E (5000 mAh, ~9 A)
- Panasonic NCR21700B (5000 mAh, ~7.5 A)
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
Only logged in customers who have purchased this product may leave a review.





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.