The INR21700-50E is a cost-effective upgrade to the Samsung 50E — delivering the same 5000mAh high capacity with a more powerful 15A continuous discharge capability. Designed for demanding applications including power tools, e-bikes, scooters, vaping devices, flashlights, and portable power stations, it offers long-lasting performance and dependable power delivery.

Built with high-grade lithium-ion chemistry, this rechargeable cell provides improved cycle life, stable voltage output, and safe operation under heavy load. Ideal for DIY battery pack builders who require high-capacity, high-drain performance at a better price point.

Specifications

• Model: INR21700-50E

• Size: 21700 (21 × 70 mm)

• Top: Flat Top

• Nominal Capacity: 5000mAh

• Continuous Discharge: 15A

• Pulse Discharge: 20A

• Nominal Voltage: 3.6V

• Max Voltage: 4.2V

• Cut-off Voltage: 2.5V

• Approx Weight: 69g

• Protection: Unprotected cell

High-capacity 21700 Li-ion battery (5000mAh, 15A) replacing Samsung 50E. Best for power tools and e-mobility applications needing reliable runtime and strong discharge capability.

• Free Shipping on all Australian orders over $70.
• $5.95 flat shipping fee for Australian orders under $70.
• Order before 2pm and we promise to dispatch on Same Day !
• Delivery Time :

1. Syd, Mel, Bri, Adl - 1-2 Days
2. Rest of Australia - 2-5 Days

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• 1 Year Warranty on all products
• Join PlatinumClub for $2.95/month and get extended 3 year warranty on all purchases

If you feel your product has failed a Consumer Guarantee (as defined by Australian Consumer Law), you can:

• Return it for a full refund.
• Request a replacement product (return may be required)

Change of Mind Returns:

If you change your mind about a product you purchased, you can return it within 90 days for a flat return shipping fee of $6.95.