Powerful 18650 Li-Ion battery with integrated micro-USB charging socket. Charging can be done via the USB socket or as usual in a charger. The built-in electronics protect the battery from deep discharge, overheating and short circuits.

Micro USB charging port for more flexibility.

With IC protection/PCB with short circuit, overcharge and deep discharge protection, the battery is suitable for all devices that do not have their own protective electronics and is perfectly protected against incorrect handling, which guarantees a long service life.

Keeppower P1835U safe, powerful and reliable 

Charge your batteries in the charger or on the go using any USB 5V port (smartphone power supply, power bank, laptop, etc.), so you remain flexible and always have a charging option at hand.

Please note the dimensions of the cell before purchasing! Due to the built-in electronics, the cell is not suitable for every application!

• Height and diameter are larger than a standard 18650 cell without PCB.
• Industrial cell used - Panasonic NCR18650GA
• capacity - 3500mAh 12.6Wh
• min. capacity - 3400mAh
• nominal voltage - 3.6V - 3.7V
• Final charging voltage - 4.2V±0.05
• Standard charging current with charger - 0.xx - 1.2A
• Standard charging current with USB - 0.8A
• max. discharge current - 2.6C = 8A (8000mA)
• Final discharge voltage - 2.50V
• Protection - available (integrated)
• positive pole - increased (button top)
• diameter - 18.4mm ± 0.20mm
• Height - 69.90mm ± 0.30mm
• Weight - 49.8g ± 1g