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7.4V 4400mah 2S2P 18650 Lihtium Rechargeable Battery Pack

Lithium Battery Pack

7.4V 4400mAh 18650 rechargeable lithium-ion battery pack with adjustable current protection, CC/CV charging, wide temperature working range. Built-in overcharge, over-discharge & overcurrent safeguard

Individual pricing for large scale projects and wholesale demands is available.

Mobile/WhatsApp/Wechat: +86 156 0637 1958
Email: info@evlithium.com

Description

Features

7.4V rated voltage, 4400mAh 18650 lithium-ion cell assembly for dependable power supply
Adjustable 1C continuous discharge current, 2.2A overcurrent protection, rated max load 32.56W
Safety safeguards: 8.4V overcharge cutoff and 6V over-discharge cutoff to prolong battery lifespan
CC/CV constant-current constant-voltage charging for efficient, stable charging performance
Broad working climate: 0–45°C charging range, -20–55°C discharge range (45%–85% RH)
Graded temperature & humidity storage specifications for 1/3/12-month shelf storage
Portable build: 40×400×70mm dimensions, 200g lightweight for easy mounting and carrying

Specifications

Item	Parameter
Nominal voltage	7.4V
Nominal capacity	4400mah
Continuous discharge current	1C(adjustable)
Over current protection	2.2A(adjustable)
Applicable power	≤32.56W
Over charge protection	8.4V
Over discharge protection	6V
Charge mode	Constant current/constant voltage
Charge temperature	0~45°C,45~85%RH
Discharge temperature	-20~55°C,45~85%RH
Temperature and humidity (storage)	-20~+55°C,45~85%RH (over 1 month)
	-20~+45°C,45~85%RH (over 3 months)
	-5~+20°C,45~85%RH (over 1 year)
Dimensions	4040070mm
Weight	200g

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