28V 55A 12v 20ah Lithium Ion Battery Pack for E Bike

28V 55A 12v 20ah Lithium Ion Battery Pack for E Bike

Product Details:

Place of Origin: guangdong china
Brand Name: JZFY
Certification: msds un38.3
Model Number: 12v 28v 20Ah 50Ah

Payment & Shipping Terms:

Minimum Order Quantity: 100
Price: $39-$57/Pieces
Packaging Details: standard packaging
Delivery Time: 5-8work days
Payment Terms: L/C, T/T, MoneyGram
Supply Ability: 10000per
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Detail Information

Warranty: 12 Months Type: Lifepo4 Battery
Capacity: 20Ah 50Ah Nominal Voltage: 12.8V 28v
Cycle Life: 2000-5000 Times OEM/ODM: Accepatable
Recharging Current: 0.2(C) Application: Solar System, EV
High Light:

12v 20ah Lithium Ion Battery Pack


E Bike 12 Volt Lithium Battery Pack


12v 20ah Lithium Battery Pack

Product Description

Bater Li Ion 28V E Bike 12V20Ah 55A Car Ciclos Profundo Kandang Ayam Batere


1. Safety: safest Lithium battery, CE UL approved, built-in PCM/BMS
2. Clean and Green energy, no toxic material contained
3. Long life cycle:> 2000 times, 6-8 times of lead acid battery
4. No memory effect, highly efficient, charge anytime
5. Small size and light weight: 1/2 size& weight of lead acid battery
6. Good performance at high temperature
7. Low self-discharge rate: < 3% monthly


Electrical Characteristics Nominal Voltage 12.8V 28v
Nominal Capacity 20Ah 50Ah
Energy 256Wh
Internal Resistance ≤10mΩ
Cycle Life >2000 cycles@1C 100% DOD
Months Self Discharge <3%
Efficiency of Charge 100%@0.5C
Efficiency of Discharge 96-99% @1C
Standard Charge Charge Cut-off Voltage 14.6±0.2V
Charge Mode 0.2C to 14.6V, then 14.6V charge current to 0.02C(CC/CV)
Standard Charge Current 4A
Max. Charge Current 20A 
Standard Discharge Continuous Current 20A
Max. Pulse Current 40A(10S)
Discharge Cut-off Voltage 10V
Environmental Charge Temperature 0℃ to 45℃(32F to 113F)@60±25% Relative Humidity
Discharge Temperature -20℃ to 60℃(-4F to 140F)@60±25% Relative Humidity
Storage Temperature 0℃ to 40℃(32F to 104F)@60±25% Relative Humidity
Water Dust Resistance IP54
Mechanical Cell&Method 4S
Plastic Case ABS
Dimensions(in./mm.) 182x78x168mm
Weight(lbs./kg.) 2.8kg
Terminal M6
Display screen Option
Bluetooth Option


Bater data sheet:


lifepo4 12v 20ah battery pack 12 volt 20 amp battery with 12v 20a battery charger


Our cooperative policy:

1) Environmental friendly.
2) High density of energy.
3) High capacity.
4) Fast charging.
5) Safety in use.
6) Long cycle life, chargeable up to 2000-5000 times.
7) No memory effect.
8) Doesn’t contain Mercury, No fire, No explosion, No leakage.
9) High temperature resistance.
10) Stable discharge platform , it is can support large current and high power to charging and discharging.


Package: With good quality pearl wool, UN cartons / Plywood, plastic pallet.


Standard batteries lead time: Samples: 15-20 days, Bulk order: 25-30 days.

Customized batteries lead time: Samples: 30-40 days, Bulk order: 30-40 days.

Over 10 Years Experiences inR&D,Production and sales lithium polymer battery solution



1. Q:Where can I get the price?

A: We usually quote within 24 hours after we get your inquiry. If you are very urgent to get the price, please call us or tell us in your email so that we'll regard your inquiry priority.

2. Q: How can I get a sample to check your quality?

A: After price confirmation, you can require for samples to check our quality.

3. Q: What about the lead time for mass production?

A: Honestly, it depends on your order quantity and the season you place the order. We suggested that you start inquiry two months before the date you would like to get the products at your country.

4. Q: What is your terms of payment?

A: We accept T/T and L/C, as well as Alibaba Trade Assurance Order.

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