3.6V 2600mAh Sony US18650 VTC5A

Sony VTC5A–High-Drain 35A 

The Sony VTC5A cell comes up with a nominal capacity of 2600mAh, the nominal voltage of 3.6V.  This is an absolutely excellent cell for anyone seeking high performance 18650 cells.


  • Nominal capacity: 2600mAh
  • Rated capacity: 2500mAh
  • Maximum continuous discharge current: 35A with 80° cut-off
  • Nominal voltage: 3.6V
  • Internal impedance: 13.0mOhm typical at 1kHz
  • Cycle performance: 300 cycles to 70% with 10A discharges.
  • Standard charge current: 2.5A
  • Maximum charge current: 6A
  • Charge voltage: 4.2V +/-0.05V
  • Energy Density: 526wh/l

APPLICATION:power tools, high drain electronics and even battery packs


Shape:                     Cylindrical
Can :                         Steel
Diameter :              18.35 mm+0.15/-0.20mm
Height :                   65.0 mm ±0.20mm
Weight:                   47.1+/-1.5 g

outline dimension of sony vtc5a
cover of vtc5a

cover of vtc5a

SE(Trade name of Sony Energy Devices Corp.)

ZZZZZ:Serial Nunber

Y:Year Supposing the year ’15 as X,  the year ’16 as Y,  the year ’17 as Z,  the ye

ar’18 as A,  Every

next year is counted as B, C, ・・・(Using an Alphabet letter)

M:Month January as A, the consecutive month as B, C,… (Using an Alphabet letter)

D:Day 01, 02, ・・・・29, 30, 31 (Using figures)

S:Electrode History A, B, C,・・ (Using an Alphabet letter)

Nominal Specification of Sony VTC5A

Item Rating Note
Rated Capacity 2500mAh Discharge at 0.2ItA,2.0Vcutoff after
Standard Charge
0.2ItA, 2.0V
Maximum Charge Voltage 4.25V -
Cut Off Voltage 2.0V -
Continuous Maximum Charge
6.0A -
Continuous Maximum Discharge
35.0A With 80 deg temperature cut)
30.0A (Without 80 deg temperature cut)
Allowable Environment
Charge 0~+60℃ Refer to the cell temperature spec
of 2.8 for cell surface temperature.
Discharge -20~+60℃ -
Weight 47.1+/-1.5 g -

Cell Temperature Specification

Temperature Range /Cell Surface Temperature Range Upper Limited Charging Voltage Maximum Charging Current Charging Current Recommendation
Low ChargingTemperature Range 0℃≦T<10℃ 4.25V 2.00A 1.00A
4.15V 4.00A 2.00A
Standard Charging Temperature Range 10℃≦T≦45℃ 4.25V 6.00A 2.50A
High Charging Temperature Range 45℃<T≦60℃ 4.15V 6.00A 2.00A

Part of Safety Tests

Item Condition Specification
Heat Cycle Test After Standard Charging, 75℃6h ←30min→ -40 ℃6h for 10 Cycles. Then storage at 20+/-5℃, 24h. No leakage, No interception
Shock Test After Standard Charging, P-tile from height of 1.2m. Dropped in Each X,Y and Z for 3 time, with guide like as tube. Discharge at 10A , Cut-off Voltage 2.5V Capacity of the 2nd time. No leakage, ≥2140mAh
After Standard Charging, Vibration is to be applied.Discharge at 10A, Cut-off Voltage 2.5V Capacity of the 2nd time.
Vibration Test Sinusoidal Oscillation5 min. Sweep Each XYZ for 1h No leakage, ≥2140mAh
10~60Hz, 20.6m/s2
60~80Hz, 13.7m/s2 13.7m/s2
80~100Hz, 6.9m/s2 6.9m/s2
100~125Hz, 3.9m/s2 3.9m/s2

Over current protective circuit

The over current protective circuit shall operate charging at less than 6A.

The over current protective circuit or device shall operate discharging at less than 35A.

If the over 35A discharge occur, the allowable time of operating over current protection comply with the below table.

Discharge current ~100A ~60A ~80A ~100A
Time <78sec <26sec. <14sec. <6.7sec.

Storage Measures For Factory

1.Cell or battery warehouses should be set up independently.
Set up “No Fireworks” eye-catching signs in storage places.
It is strictly forbidden to stack combustibles and flammable items around.

2.The temperature of cell or battery warehouses should be controlled within the range of 20±5℃,
The maximum should not exceed 30℃,
The relative humidity should not be greater than 75%.
Keep the warehouse clean, dry and well ventilated, and do not store other items.

3.Cell or battery warehouses should be equipped with smoke and temperature alarm devices, and the alarm signal should be transmitted to a place where someone is on duty 24 hours a day.

4.Cell or battery warehouses should be equipped with independent external accident exhaust devices.
The accident exhaust devices should be interlocked with smoke and temperature alarm devices.

5.Cells and batteries should be neatly placed, not stacked too high, and storage facilities should be made of non-combustible materials, and anti-static measures should be taken.

6.The positive or negative pole position of each battery (cell) must be insulated to prevent short circuit protection measures.

7.Automatic sprinkler facilities should be set up in the battery warehouse.

8.The battery must not be stored at full capacity, and it is recommended to store it at 50% power.

9.Semi-finished batteries should be equipped with protective plates.

10.Waste batteries should be stored separately after being discharged.

11.Each fireproof zone of the battery and cell warehouse shall not exceed 250 square meters.

12.A sufficient number of spherical dry powder automatic fire extinguishers or sprinklers should be hung in the battery and cell warehouses.

13.The battery and cell warehouses should be equipped with 2 fire blankets each, and 1 special bucket for handling accident batteries.

1.Explosion-proof electrical equipment should be used in battery warehouses and aging rooms.
2.Faulty batteries and waste batteries must be placed in special treatment cabinets for isolation and disposal, and the use of explosion-proof sand buckets to deal with accident batteries is advocated.

Storage Measures For Daily Lithium Battery Users

1. For Lithium-ion batteries which need to be stored for a long time and not used, they should be kept in a state of 50%-60% charge. They should be recharged every 3 months and recharged every half a year.

2. Attention should be paid to moisture-proof and moisture-proof, to prevent squeezing, collision, etc., to avoid battery damage.

3. It is forbidden to use or place the battery at high temperatures (in hot sunlight or in very hot cars), otherwise it may cause the battery to overheat, catch fire or fail in function, and shorten its life.

4. It is forbidden to store in places with strong static electricity and strong magnetic fields, otherwise it will easily destroy the battery safety protection device and bring unsafe hidden dangers.

5. If the battery emits an odor, fever, discoloration, deformation, or any abnormality during use, storage, or charging, immediately remove the battery from the device or charger and disable it.

Sony US18650VTC5A 2600mAh (Green)-TripCurrent

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