£13.99

EVE 40P 21700 4000mAh Li-Ion Battery Pack of 2 - 50A Discharge

EVE INR21700 40P

Price data last checked 8 day(s) ago - will refresh soon

View at Amazon

We'll watch every seller, every day. One email when your price arrives.

Same price for 8 weeks. Today is much like next week.

£14 for 54 days straight · last change was Dec 2025

NEW HERE?

Amazon shows you one price. We show you all of them.

Tosheroon watches Amazon prices so you don't have to. Every product on Amazon has a price history — we make it visible. Set the price you'd actually pay, and we'll email you the second it gets there. No app, no account, one email.

WHAT'S ON THIS PAGE

↓ Price chart
when this has been cheap or pricey
↓ Forecast
where the price is heading next
↓ Statistics
all-time high & low, recent range
↑ Price alert
name your number, we'll email you

Price History & Forecast

Grey patches = out of stock. Cheaper = lower on the chart. Hover for exact prices.

Last 102 days · 102 data points (no recent data)

Historical
Generating forecast…
£19.99 £11.19 £13.11 £15.03 £16.95 £18.87 £20.79 02 November 2025 27 November 2025 22 December 2025 16 January 2026 11 February 2026

Price Distribution

Price distribution over 102 days • 5 price levels

Days at Price
Current Price
1 day 54 days · current 1 day 26 days 20 days 0 14 27 41 54 £12 £14 £18 £19 £20 Days at Price

Price Analysis

Most common price: £14 (54 days, 52.9%)

Price range: £12 - £20

Price levels: 5 different prices over 102 days

Description

Upgrade your high-power devices with this premium pack of two EVE 40P 21700 Li-Ion batteries. Designed for demanding applications, these cells deliver a massive 50A continuous discharge rate, providing up to 200W of power per single cell or 400W in a dual cell configuration. Each battery features a 4000mAh capacity and a flat-top design, ensuring reliable energy delivery when you need it most. These industrial-grade cells are manufactured by EVE Energy, a leader in Tier 1 automotive and consumer electronics. This means you receive high-quality cells with consistent performance and low internal resistance of approximately 9.5 milliohms. Whether you are powering high-performance tools or other high-drain electronics, these batteries offer the stability and strength required for heavy-duty use. To ensure your batteries stay organized and protected, this set includes a unique and sturdy dual-slot carry case. This makes storage and transport convenient and safe. Please note that these are 21700 type cells, not 18650. While capable of high power, users should use them for vaping applications only at their own consideration and risk.

Key Features

Massive 50A Continuous Discharge Rate: Provides high-power delivery suitable for demanding applications, offering up to 200W per cell or 400W in dual cell setups.

High Capacity and Efficiency: Each 21700 cell features an assured 4000mAh capacity and very low internal resistance of approximately 9.5 milliohms for optimal performance.

Industrial Grade Quality: Manufactured by EVE Energy using standards found in Tier 1 automotive and consumer electronics for reliable, long-lasting use.

Protective Dual-Slot Case: Includes a sturdy and convenient carry case designed to keep your two batteries organized and protected during transport.

Flat-Top 21700 Design: These are high-performance 21700 type flat-top cells; please ensure compatibility with your device as they are not 18650 type.

Assured Performance: Built with robust quality control to ensure consistent capacity and internal resistance for high-power applications.

Product Specifications

Format
Electronics
Domain
Amazon UK
Listed Since
02 November 2025