Shenzhen Resky Electronics Co., Ltd.
                                                                                                           
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14 Years
Since 2012
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Rechargeable 21700 18650 Li-Ion Battery Pack 12.6V/24V 50Ah for Storage Power Ups

Price Negotiable
Price: Negotiable
MOQ: 10pcs
Delivery Time: 10-15days
Brand: China
Product Description
Rechargeable 21700 18650 Li-Ion Battery Pack 12.6V/24V 50Ah for Storage Power Ups
Product Description

Storage Power Ups Battery 12v/24v 50Ah Rechargeable 21700 18650 Li-Ion Battery Pack

Specification
Product name 12V 50Ah
Model RSK-1250
Rated Capacity 50Ah
Nominal Voltage 11.1V
Over discharge protection voltage 9V±0.05V
Over charge protection voltage 12.6V±0.05V
AC Impedance New Cell Max.(mΩ) ≤100 mΩ
Maximum Continuous Charge Current ≤10A adjustment
Maximum Continuous Discharge Current ≤15A adjustment
Maximum Pulse discharge current ≤30A adjustment
Operation Temperature Range Charge: 0~45°C, Discharge: -20~60°C
Storage Temperature Range Less than 1 year: -20~25°C
Less than 3 months: -20~40°C
Storage Temperature Range Less than 30 Days: -25°C~45°C
Less than 90 Days: -25°C~30°C
Weight Approx 2.8kg
Cycle Characteristic 500times
Main Features
  • High Energy Density: 21700 Cell Technology offers 20-30% higher energy density than 18650 cells in a compact, lightweight design (~2-3 kg).
  • High Capacity: 50Ah rating provides 600Wh of energy storage for extended power needs.
  • Long Cycle Life: 1000-2000 charge cycles with 80% capacity retention after 1000 cycles.
  • Fast Charging: Supports 10-15A charging currents (0-80% in 2-3 hours).
  • Advanced BMS: Includes overcharge/discharge protection, cell balancing, and thermal regulation.
  • Deep Discharge Tolerance: Safely discharges to 10.5-11V without damage.
  • High Discharge Rate: Delivers consistent 12V under heavy loads (100-200A peak).
  • Maintenance-Free: No watering or electrolyte checks required.
  • Wide Temperature Range: Operates from -20°C to 60°C.
  • Eco-Friendly: Recyclable with low self-discharge (<5% per month).
  • Versatile Applications: Ideal for RVs, marine use, solar storage, and portable power stations.
Product Images
21700 18650 Li-Ion Battery Pack front view
21700 18650 Li-Ion Battery Pack side view
21700 18650 Li-Ion Battery Pack top view
21700 18650 Li-Ion Battery Pack with accessories
21700 18650 Li-Ion Battery Pack in use

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Shenzhen Resky Electronics Co., Ltd.
Location Room 1405-1, Building 3B, Huaqiang Idea Park, Guangming Street, Guangming District, Shenzhen, Guangdong Province,China
Contact Person Alice

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