Comparison · Batteries

LTO 18650 1500mAh cell, first unit or Goonk 18650 2800 mAh

Two models side by side: measurements taken by the author in their reviews, and their conclusions. The better value in each row is highlighted.

In brief: Based on review measurements: Capacity: LTO 18650 1500mAh cell, first unit (1400 mAh vs. 1383); Capacity at high current: Goonk 18650 2800 mAh (1053 mAh vs. 950).

Model	LTO 18650 1500mAh cell, first unit2021Read review →	Goonk 18650 2800 mAh2015Read review →
Capacity, mAh	1400	1383
Capacity at high current, mAh	950	1053
Review conclusion	Not recommended	Not recommended

Only in one review: Voltage 2.4 V (LTO 18650 1500mAh cell, first unit); Current 15 A (LTO 18650 1500mAh cell, first unit); Test current 7.5 A (LTO 18650 1500mAh cell, first unit); Resistance 20 mΩ (LTO 18650 1500mAh cell, first unit); Weight 42 g (Goonk 18650 2800 mAh); Price 2.4 $ (LTO 18650 1500mAh cell, first unit).

LTO 18650 1500mAh cell, first unit: The first cell meets its rated capacity but has higher resistance and performs poorly at high currents.

Goonk 18650 2800 mAh: Capacity varies widely; the author advises against using them in e-cigarettes and could not use them in his device.

Figures were taken from the review text and checked against the quoted passages. Measurement conditions differ between reviews, so read the reviews yourself before buying. Prices at the time of review.