Lithium Battery 18650 48V 20.8AH for electric bikes and e bike kit

2020-08-18 02:24


CellTypefamous brand 18650 cell


Combination method13S8P
Typical capacity(0.5C)20.8AH
Nominal voltage48V
Max. charge voltage54.6V
Discharge cut-off voltage39V
Standard charge current0.2C
Max Charge current0.5C
Max Continuous working current2C
Weight (Approx.)7kg
Max. dimension(L×W×H)(mm)390x150x90
Operating  temperature0℃~45℃(charge)
Cycle Life≥ 800 cycle
Warranty18 months
(replacement for first year if quality issue,repair/send the problem parts / technical support after 12 months)
Other electric bike battery available in this case
Max Space of this case: 104pcs o
f 18650 cells
Option cell2200mAh2600mAh2900mAh3200mAh3400mAh

Product Description

Our Li(NiCoMn)O2 Battery Features:
1Lightweight compare with Lead acid battery or LiFePO4 chemical,It's best choice to be used on electric bike.

(If you want higher capacity,but smaller size,we can use the sam sung ICR18650 35E(3500mah) or Pana sonic ICR18650GA (3400mah),or LG 18650F1L (3350mah),the other capacity available too.

If you want higher cost-effective battery,we can use the grade A Chinese cells.Same warranty.

2Small size: It's just around 1/3 weight compare with lead acid battery.
3Powerful: Max discharge rate can be 20C
4Safety with smart SEIKO IC BMS built in to protect the battery from over-charge,over-discharge,over-current,short-circuit etc.
5Larger rang of operation temperature from -20 to 70°C
6No menory effect.higher efficient charge,no reduction on capacity.
7environmental-friendly, Green energy,pollution-free,no toxic material contained.
8Low self-discharge rate:<3%/monthly
9Good performance at higher temperature.
10Longer cycle life: More than 600 times up to 800 times.
(it's around 300 times for lead acid battery)

Our Advantages

Offer one-stop power solutions, save time and cost for customer
--Professional electronic engineers offer the solution

  • Strictly quality control system, enhance customer's competitiveness
    -- 100% PCM test by IQC
    -- 100% Capacity test by OQC
  • Delivery on time & excellent service
    -- Fast Delivery in 10 days if stock
    -- Prompt and reliable technical support 24/7
  • Excellent aftersales service. To think what customers want, all customers centered


Q1. Can I have a sample order for li-ion battery?

A: Yes, we welcome sample order to test and check quality. Mixed samples are acceptable.

Q2. Do you have any MOQ limit for li-ion battery?

A: 1 piece.

Q3. What about the lead time of li-ion battery?

A: 5-10 days if available in stock, mass production time needs 20-30 days for different order quantity.

Q4. How to take care of this li-ion battery?

Do not connect the positive and negative terminal directly.

Do not expose the battery under high temperature condition.

Do not disassemble the battery pack without technician’s guide.

Keep the battery away from water,salt,acidic.etc.

Keep the battery clean and dry.

Use the compatible charger to charge it.

Charge the battery one time at least per two months.

Q5. Do you offer guarantee for this li-ion battery?

A: Yes, we offer 18-month warranty to our products,and offer continuous after-sale service.

Q6. What is the payment term?

A: PayPal,T/T, West Union,L/C.We do our best to make you at easy way.



Note: We are a battery manufacturer. All products do not support retail, we only do B2B business.please contact us for product prices!