Datasheet

Product Specification Model No. : GP 18650-26FP
Revision: 2 Page 2 of 5
1. APPLICABILITY
The specification is applicable to GP lithium ion rechargeable pack.
GP Model : GP 18650-26FP
Pack Size : Diameter = 19.1mm Max and Height = 72.0mm Max (Dimension is with cell sleeve)
Chemistry : Lithium mixed oxide
Energy Density : 557Wh/L
Certifications : UN38.3
2. BATTERY PACK SPECIFICATION
No.
Item
Standard
Notes
1
Weight (g)
About 50g
2
Rated Capacity (mAh)
2600
3
Battery size
Φ(18.8 ± 0.3) ×
(71 ± 1)
4
Impedance (mΩ)
≤110
Charged 50-60%，A frequency of 1KHz
Internal Resistance Measurement Test
5
Charge mode
CC/CV
6
Standard charging voltage (V)
4.2
Note In accordance with this voltage can
only be filled with
7
Standard charge current (A)
1.3
8
Maximum charge current (A)
2.6
9
Charge cut-off current (mA)
52
10
Maximum discharge current (A)
2.6
12
Open-circuit voltage (V)
3.7 ± 0.2
50-60% battery state of charge
13
Overcharge Voltage (V)
4.25 ± 0.025
As long as there is a group of over-
charge, will stop charging protection
14
Overcharge recovery voltage (V)
4.05 ± 0.05
When each of batteries when the
voltage falls below this value can only
charge