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BtrPower 60V 20Ah  Lithium Battery Pack for 1500W Electric Bike + 50A BMS + 5A Charger Product Description 60V 20Ah  Lithium battery pack for electric bike:  * 60V 20Ah Lithium Battery pack is made of 20 pcs of 20000mAh polymer lithium cells
One Special 20 cells PCB with balance function is installed with battery pack to protect battery from over charging, over discharging and over drain
Voltage : 60V
Capacity: 20Ah
Cut-off voltage: 50V
Max. discharging current: 100Amp
Max Continuous Discharging Amperage: 50 Amps
Rated Discharging Amperage: 50 Amps
Charging Current: <=10 Amps
Charging Voltage: 73 Volts
Lifecycle: > 85% capacity after 1000 cycles.
Lifecycle of single cell: >85% capacity after 1000 cycles, > 70% capacity after 1500 cycles. (<1C discharge rate and <1C charge rate)
Dimension: 220*145*175mm
Weight: about 7.21kg/15.89lbs 60V 5A  Charger for the battery: 
Output: 73V 5A;Input:110V/AC/50Hz
It take 5-7 hours when the battery is charged fully
Red light indicates charging and green light indicates charge full or diaconnected
Payment Delivery details Terms of sales About us Contact us   Payment Payment
We accept payments in paypal only  
When you pay it, please leave your phone number to facilitate faster and give you transportation  
All the buyers must submit payment within 7 days of auction close. If payment is not received, the item will be relisted, a Non-Paying Claim alert will be filed
Shipping
We have warehouses in California, New York and other states. We will choose the nearest warehouse according to your location to deliver it to you. 
All products will be shipped within 3 working day upon payment cleared  
All items will be shipped to buy's Reserved address. Please check your  Reserved  address correctly.  
Send by FedEx.  
Delivery time:3-5 working days fast shipping  Battery Features
Long service life:The cycle life reaches more than 1000 times, and the standard charge (5 hour rate) use can reach 1000 times. The performance-price ratio will be more than 4 times that of lead-acid batteries. 
Safe to use:Lithium iron phosphate has undergone strict safety tests and will not explode even in the worst traffic accidents.
High temperature resistance:The peak value of lithium iron phosphate electric heating can reach 350 ℃-500 ℃, while lithium manganese oxide and lithium cobalt oxide are only around 200 ℃.
Large capacity,  No memory effect, Small size and light weight.
Green and environmental protection:Green environmental protection, regardless of production, use and scrap, does not contain or produce any toxic and harmful heavy metal elements and substances.
Low natural discharge rate:The self-discharge rate is very low, which is one of the most outstanding advantages of the battery. Generally, it can be less than 1%/month, less than 1/20 of the Ni-MH battery. Guarantee C
30 days free returns！
Return is acceptable if the item is in its original condition. Return should be made within 30 days after the buyer receives the item at the seller's expense. Refund for the item will be issued within 2 business day after we receive the items back. We can pay for the return shiping fee.
1 year Warranty！
If any question when you use it,please contact me  ntact us
Contact us
We are professional lithium and lifepo4 battery pack manufacturer.If you need,we can also custom a special battery pack for you .
If you encounter any problems with the use of the battery, please contact us as soon as possible. We will have a professional after-sales team to help you solve it. 
If you are satisfied with our product and service,you can leave your positive feedback and review.we will appreciate it.