Set of 2 x Battery with BMS KeepPower 18650 3.6V 4000mAh

Description

Lithium Ion batteries type 18650, with individual protection per cell (1S1P type BMS circuit) and with low plus terminal (low top), used as such (not in assemblies), mainly in flashlights, medical devices and equipment, etc. The assembly is equipped with BMS, respectively with short circuit, overcharge, high temperature and overdischarge protection.

Brand/Manufacturer: KEEPPOWER™ / Keeppower Technology Co., Limited
Product country of origin: China
Battery coding: 18650 / manufacturer code P1840C
Equivalent or compatible codes: ICR18650 / P1826K (same protections, lower capacity) / P1826J (same protections, lower capacity)
Nominal voltage: 3.6 V
Nominal capacity: 4000 mAh (minimum 3900mAh) with 0.2 C (800mA)
Energy: 14.4 Wh
Recommended discharge current: up to 8 A / standard discharge current 800 mA
Cut-off voltage: standard 2.5 V
Standard charging voltage: 4.2 V, standard charging current 2000 mA (2A)
Charging time: approx. 4 hours (full charge up to 4000 mAh)
Number of cycles: ≥500 cycles, subject to conditions of use

Capacity dependence depending on temperature: -10°C → 60% capacity reduction; +25°C → 100% of capacity; +55°C → 95% of capacity
Self-discharge: ≤15% self-discharge in 30 days, at a temperature of +25°C (much higher at extreme temperatures)
Protection: With internal protection (PCB or BMS, 1S1P circuit) against short circuit, overcharge and deep discharge.

Contacts: Button type (the plus terminal is low - low top).
Recommended operating/charging temperature: 0°C ... +45°C
Recommended operating/discharging temperature: -10°C ... +55°C
Storage temperature: -20°C ... +45°C up to 3 months (recommended +20°C)

Dimensions: diameter 18.6 mm ± 0.1 mm; length 69.1 mm ± 0.1 mm
Weight: 50 grams
Packaging: Plastic box with 2 batteries, industrial product. The price is for a set of 2 batteries.

Note: for safety during transport, the battery is delivered from the factory at 50% charge, with a voltage of 3.7-3.95V. Before first use, it is necessary to charge it with a suitable charger (specifically for 18650 type Li-Ion batteries).
Recommended compatible charger: Uniross Smart Charger Compact 3T, Ansmann UBC Lithium2 Smart Charger, XTAR-VC4, etc. (click on the name for specifications and price).

Warnings: Do not overcharge, do not throw into fire, do not short-circuit even after use. Do not throw away - hand over used batteries only to collection centers.