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12V 20Ah Lithium Battery LiFePO4 Deep Cycle ODM OEM Manufacturer

12V 20Ah Lithium Battery LiFePO4 Deep Cycle ODM OEM Manufacturer

  • Nominal Voltage 12V (12.8V) | Nominal Capacity: 20Ah | Stored Energy:  256Wh
  • Size L*W*H:  181*77*170 ( ±2 )   Weight : 2Kg

Compact Power. Endless Possibilities.
BSLBATT’s 12V 20Ah LiFePO4 battery brings reliable, long-lasting energy in a space-saving form. Whether you're running fish finders, LED systems, alarm sensors, security cameras, gaming gear, or outdoor equipment, it delivers steady performance with ease.

Built for convenience — ultra-light, durable, and zero maintenance — it’s engineered for limited-space installations and demanding portable power needs.

Product Inquiry

Product Features

BMS

Built-in BMS, Multiple Protections

12V 20Ah LiFePO4 battery, built-in 50A BMS, provides overcharge, overcurrent, high and low temperature and short circuit protection. With high chemical stability and thermal stability.
Fast Charging & TFT Full Color Screen

Fast Charging 

Two-hour fast charging. 5 times faster than lead-acid batteries
Long Life

Extra Long Life and Easy to Use

Provides over 5000 cycles, lowering total cost of ownership. Zero maintenance and zero pollution. 70% lighter than lead-acid batteries of the same capacity.
ODM OEM

Powerful compatibility-Support OEM&ODM-Size customization

As a supplier of lithium batteries with 13 years of experience, BSLBATT supports various sizes and voltage options.
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BSLBATT Deep Cycle Lithium Battery Advantages

微信图片_20250104142408

Cell & BMS

EVE A+ Cell & BSL R&D BMS
20+thermal runaway protection
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2

10x charging rate

Easy to install Zero maintenance No labor hazards Good long-term value
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Bluetooth 5

Bluetooth Connection

Check battery status, power, voltage and temperature at any time
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Cycle lif

Battery Life

≥1500 @80%DOD
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6

Protection level

Lighter and more powerful than lead-acid batteries, IP65 rated
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LiFePO4 battery VS lead-acid battery


Effectively save 70% of total cost of ownership in 5 years

BSLBATT 12.8 20Ah LiFePO4 Deep Cycle Batteries leads the industry in performance, safety, energy efficiency, charging speed, weight and size.

LFP VS Lead-acid Battery
3X energy, 70% lighter, maintenance-free, 0 pollution.

LiFePO4-battery-VS lead-acid battery

BSLBATT 4 series & 4 parallel

Maximum 4 series / 4 parallel

FREE TO EXPLORE AND EXPAND
Max 4S or 4P: Configure up to 4S to build a 12V 80Ah battery system (1,024 max energy), capable of operating at up to 100A continuous discharge current.
Configure up to 4P to build a 48V 20ah battery system (51.2volt max voltage) 
power accessto advantures anywhere

UL CE IEC UN38

UL CE IEC UN38.3 certification

5-year-10,000-hour warranty

5 years or 10,000 hours warranty

Fast shipping within 28 working days

Fast delivery within 28 working days

BSLBATT 12V 20ah LFP Deep Cycle Lithium Battery Application

Perfect for powering fish finders, security cameras, LED lighting systems, alarm units, small UPS backups, game machines, medical devices, and portable camping gear. Ideal for compact, off-grid, or mobile setups requiring long life, fast charging, and maintenance-free performance.

BSLBATT-Deep Cycle Battery ApplicationBSLBATT Deep Cycle Battery Application

Technical Parameters

B-LFP12-20.webp
0102
  • Nominal voltage: 12V (12.8V)
  • Nominal capacity: 20Ah
  • Stored energy: 256Wh
  • Dimensions L*W*H (MM) 181*77*170 ( ±2 )
  • Weight 2Kg
  • Maximum Continuous Discharge 1C
  • Maximum Continuous Charging 0.5C
  • Output Mode M6 Terminal
  • IP protection: IP54
  • Warranty: 5 years
  • Cycle life: ≥1500@80% DOD
  • Number of cycles: 5000 times
  • Cell Certification: UL/CE/ICE/KC/UN38.3/ISO/ROHS
  • Battery Certification UN38.3 / UL 1973 / UL 9540A
  • Battery Group Solution 4S1P
  • Charging Temperature 32°F to 131°F (0℃ to 55°C)
  • Discharging temperature -4°F to 140F (-20℃ to 60℃)
  • Storage Temperature 3 Month -4°F to 140°F (-20℃ to 60℃)
Technical Parameter

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