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Lightweight Lithium ion Rechargeable Marine Battery 12V 250AH 2 years Warranty

Good quality Deep Cycle Lithium Battery for sales
Good quality Deep Cycle Lithium Battery for sales
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Lightweight Lithium ion Rechargeable Marine Battery 12V 250AH 2 years Warranty

China Lightweight Lithium ion Rechargeable Marine Battery 12V 250AH 2 years Warranty supplier

Large Image :  Lightweight Lithium ion Rechargeable Marine Battery 12V 250AH 2 years Warranty

Product Details:

Place of Origin: China
Brand Name: Topband
Certification: MSDS
Model Number: TB12250F-S104A_00

Payment & Shipping Terms:

Minimum Order Quantity: 10pcs
Price: Negotiable
Packaging Details: standard export carton
Delivery Time: 2~4weeks for samples; 4~6weeks for mass production
Payment Terms: L/C, T/T
Supply Ability: 450Mwh/year
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Detailed Product Description
Battery Material: Nano LiFePO4 Dimension: 496*271*222mm
Weight: 32.2Kg Charge Voltage: 14.6V
Capacity: 250Ah Energy: 237.5Wh
Cut-off Discharge Voltage: 8V Cycle Life: 2000cycles @100%DOD
Warranty: 2 Years Operate Temperature: -20°C~60°C

 
Lightweight Lithium ion Rechargeable Marine Battery 12V 250AH 2 years Warranty
 
1. Specification

NOItemsDescription
Normal Specification
1Nominal Voltage12.8V
2Normal Capacity250Ah
3Internal Resistance≤20mΩ
4Series-Parallel applicationup to 4 series-connected applications
5Communication function/
Standard Charge
6Charge operation temperature range0~45℃
7Normal charge voltage14.6±0.1V
8Recommended float charge voltage(for Standby use)13.8±0.1V
9Allowed MAX constant charge current80A@Battery initial Temp 25±5℃
10Recommended charge current≤80A
Standard Discharge
11Discharge operation temperature range-20~60℃
12Output Voltage Range8.0~14.6V
13Allowed MAX constant discharge current80A @Battery initial Temp 25±5℃
14Discharge peak current100A/30min,350A/3s
15Discharge end voltage8.0V


2. Electrical Characteristics & Test Condition
Testing Conditions: Ambient Temperature: 25±5℃; Huminity:45%~75%.
 

NOItemsCriterionCondition
1Min Capacity≥250AhRest for 1 hour after fully charged, then discharge with 0.33C current until the battery reaches the cutoff voltage. you can stop and define the Discharging current*time value (Ah) as battery capacity.
2

 
 
Cycle life (DOD%100)

≥2000cycle

Charge / CC(0.33C)/CV(14.6V);
End current : 0.05C;
Rest time : 1h;
Discharge / CC(0.5C);
End voltage : 8.0V;
Repeat above process until discharge capacity is no more than 80% of normal value. Accumulated times is defined as cycle life.

3

 
Discharge Temperature
Characteristics

-20℃≥70%At 25±5℃ discharge the battery with the current of 0.33C to the cut-off voltage. Store the battery at various temperatures for 2h and discharge the battery with 0.33C to the cut-off voltage. Record the ratio between discharging & charging capacity.
0℃≥80%
25℃100%
55℃≥95%
4Charge Retention abilityremain capacity≥90%Charge the battery to full capacity and store it for 28days, and then discharge it with 0.33C to the cut-off voltage.

 
3. Circuit Protection
The batteries are supplied with a LiFePO4 Battery Management System (BMS) that can monitor and optimized each single prismatic cell during charge & discharge, to protect the battery pack overcharge, over discharge, short circuit. Overall, the BMS helps to ensure safe and accurate running.

Test itemContentCriterion
Over chargeOver-charge protection for each cell3.80±0.03V
Over-charge release for each cell3.60±0.05V
Over-charge release methodUnder the release voltage
Over dischargeOver-discharge protection for each cell2.00±0.05V
Over-discharge release for each cell2.30±0.05V
Over-discharge release methodCharging
Over currentDischarge over current protection350~550A
Protection delay time10~40ms
Over current release methodRelease after cutoff the load.

Over
Temperature

Battery over temperatureProtection @65±5℃
Release @50±5℃

Over
Temperature

Battery lower temperatureProtection @100±5℃
Release @70±15℃

 
4. Dimensional Drawing
Lightweight Lithium ion Rechargeable Marine Battery 12V 250AH 2 years Warranty
Lightweight Lithium ion Rechargeable Marine Battery 12V 250AH 2 years Warranty

Contact Details
Shenzhen Topband Battery Co., Ltd

Contact Person: Jerry Yang

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