Samsung 25R5 18650 2500mAh 20A Battery
Brand Samsung SDI
The green 25R5 version supersedes the previous blue 25R2 that was extremely popular in 2015. The electrolyte balance was tweaked giving this cell an excellent upgrade. Samsung has said the 25R5 does not have improved performance over the 25R2 but has a longer cycle life of more than 250 charge cycles.
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- Model: INR18650-25R5
- Manufacturer: Samsung
- Chemistry: INR
- Max. continuous discharge current: 20A
- Safe pulse discharge ratings: 95A < 0.5 sec, 65A < 1 sec, 40A < 5 sec, 30A < 6 sec
- Nominal capacity: 2500 mAh
- Nominal voltage: 3.6 V
- Discharge end voltage: 2.5 V
- Charging voltage: 4.20 +/- 0.05 V
- Standard charging current: 1.25 A
- Length: 65.85 mm
- Diameter: 18.33 mm
- Weight: 45.0 g
These are high capacity and high discharge current batteries. If mishandled/mistreated they can cause serious injury. Use at your own risk.
Do not short.
Do not leave unattended when charging.
Do not leave unattended immediately after charging.
Do not carry in your pocket or purse unless they are in a secure non-conductive carry case.
They are not toys. Do not let your children or pets play with them.
Do not recharge with cheap chargers that keep on trickle charging after the normal cycle or that do not follow the Constant Current / Constant Voltage (CC/CV) algorithm properly.