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1. Longer battery life, the life expectancy is two times that of lead-acid batteries.
2. Rechargeable and no memory effect.
3. The weight is more lighter.
4. Smaller dimensions and can be customized.
5. Safer and more environmentally friendly, No heavy metals and hazardous substances.
6. BMS built-in IC chip will prevent battery pack over charge, over discharge, over-current, over-heat, short circuit .
Battery Model: 52V 51Ah
Nominal Voltage: 52V
Nominal Capacity: 51Ah
Cell Specification : SAMSUNG INR18650-30Q 5C 3.7V Cell
Cell OverCharge Protection Voltage: 4.2V/Cell
Cell Overdischarge Protection Voltage: 2.8V/cell
Cell Source Resistance (mΩ): about 40mΩ
Cell Combination: 14 Series 17 Paralles
Cell Quantity (parallel x series): 238 pcs
BMS: 70A (can be customized)
70A BMS Suitable Motor: Less than 48V 3000W(MAX)
Discharge Cutoff Voltage (V): 42V+/-1V
Charge Cutoff Voltage (V): 58.8V+/-1V
Rated Discharge Current (A): 70A
Maximum peak discharge current (A): 210A
Maximum Continuous Discharge Current (A): 70A
Charger mode: CC/CV
Standard Charge Current (A): 2A
Max Fast Charge Current (A): 10A
Charge Time under 10A Fast Charge Current: about 5--6 hours
Discharge Temperature: -20 to 65°C
Charge Temperature: 0 to 45°C
Dimensions: 330*155*140mm(+/-5mm) (can be customized)
Battery Weight: about 12kg
Cycle life: ≥80% capacity after 800--1000 cycles.
1. Lithium battery pack with PVC case
2. Built-in 70A BMS (protection board)
3. 58.8V 10A Charger
4. Power Cable (Supply EU/ UL /AUS/ BS Plug)
1. Do not immerse the battery in water or seawater, keep the battery stands by in a cool dry surrounding.
2. Does not use or leave the battery near a heat source as fire or heater.
3. Use the battery charger specifically for that purpose when recharging.
4. Do not reverse the position and negative terminals.
5. Do not connect the battery electrodes to an electrical outlet.
6. Do not discard the battery in fire or a heater.
7. Do not short-circuit the battery by directly connecting the positive and negative terminals with metal objects.
8. Do not transport or store the battery together with metal objects such as hairpins, necklaces, etc.
9. Do not strike, trample or throw the battery.
10. Do not directly solder the battery and pierce the battery with a nail or other sharp objects.
Our batteries can be shipped to EU countries, The United States, Canada,
Switzerland, Norway, Russian, New Zealand, Australia, Japan, Korea, Singapore, Taiwan, Thailand,
Malaysia, Vietnam, etc., if your country is not in our shipment within the country, please contact us,
we will further consult the logistics company, thank you!
For EU countries: 8--12 Working days (usually shipped by UPS / DPD);
For The United States, Canada: 8--12 Working days (usually shipped by UPS / Fedex / DPD);
For Switzerland, Norway: 8--12 Working days (usually shipped by UPS / DPD);
For Russian: 20--28 working days (usually shipped by CDEK)
For New Zealand, Australia: 10-18 working days (shipped by Special Line）
For Japan, Korea, Singapore, Taiwan, Thailand, Malaysia, Vietnam, : 5-7 working days (shipped by Special Line)
In special circumstances, the logistics method sometimes will change, thank you!
For EU countries, The United States, Japan, Thailand, Malaysia, Vietnam, Russian: Free Taxes,
You do not need to pay any customs duties；
For Australia: Free Taxes (The product must below 1000 A$);
For Canada: Free Taxes (The product must below 20KG);
For New Zealand, Switzerland, Norway,Taiwan, Singapore, Korea: You need to pay a certain taxes,
But we will declare a reasonable low value to help buyer reduce it;
We will do our best to serve customers.
If you don't satisfied with ourproducts,
please contact us before you leave negative feedback or dothe detailed rating.
We will service you until satisfied.
The product have one year quality warranty ( warranty is invalid nature wearing or
any damage due to wrong operation ).
Do not disassemble any product by yourself, once you disassembled we do not provide warranty,
any question, please contect us.
We also support PAYPAL, Credit card, Bank transfer and other payment methods, thank you!