Maintenance Customized Solar 12v 40ah 42ah Lifepo4 Cell Lifepo4 Battery Pack With BMS

2021-01-21 02:57

Electrical CharacteristicsNominal Voltage12.8V
Nominal Capacity[email protected]
Internal Resistance=50MO
Cycle Life2000 [email protected] Charging/Discharging until 70% Capacity
Self Discharge=3.5% per month at 25℃
Standard ChargingMax Charging Voltage14.0~14.6V
Charging ModeAt 0℃~45℃temperature, charged to 14.6V at a constant current of 0.2℃, and then charged continuously with constant voltahe of 14.6V until the current was not more than 0.02C
Charging Current21A
Max Charging Current42A
Standard DischargingDischarging Current21A
Max Continuous Current50A(<3S)
Max Pulse Current100A(<3S)
Discharging Cut-off Voltage10.0
Operating ConditionCharge Temperature0℃to 45℃@ 60+/-25% Relative Humidity
Discharge Temperature-20℃ to 45℃ @60+/-25% Relative Humidity
Storage Temperature0℃ to 45℃ @60+/-25% Relative Humidity
Water ResistanceIP55
StructureCell&FormatIFP 32700 N60,4S7P
WeightApprox 4.8kg

Superior Character

1. Super Long Service Life
2. High Safety Ensured by Smart BMS
3. Fast Charge and High Rate Discharge Power
4. Low Total Cost of Ownership (TCO)
5. High Energy Density by Adopting LFP Cells
6. High Cycle Round Trip Efficiency (RTE)
7. Wide Working Temperature Range
8. Maintenance Free


Precautions for the use of lithium batteries
1. The battery needs to be handled gently during use to avoid damage to internal components;
2. Batteries are not allowed to be used in series or parallel;
3. The battery module shall not be loose, shake, squeeze and deform when placed inside the battery shell;
4. It is forbidden to plug the positive and negative wires of the battery into each other,reverse the load, or connect with the load of an electric vehicle that does not match;
5. The battery needs to be charged in time or within 24 hours after discharge;
6. During battery storage, charge the battery every 1 month;
7. It must be charged with a matching charger, and the use of lead-acid battery charger is strictly prohibited;
8. Unauthorized disassembly is strictly prohibited during use;
9. It is strictly forbidden to use and leave the battery near a heat source or high temperature source (such as fire, heater, etc.);
10. It is strictly forbidden to immerse the battery in water, and place it in a cool and dry environment when it is not in use.



1.Energy Storage:Solar-Wind Power System / City Grid (On/Off) / Community and Family / RV Motorhome /Golf Carts Battery / Boat Marine Yachts / Electric Skateboard / Vehecle.
2.Back-up System and UPS:Telcom Base / CATV system / Computer Server Center / Medical Instrumnt / Military Equipment.
3.Other Applications:Security and Electronics / Mobile POS, Mining Lihgt / Torch / LED Light / Emergency Light / LED Backup / Engine Starting Battery,etc.

Our Factory

Price term

Payment term

30%TT in advance and 70% before shipment
30%TT in advance and 70% against B/L
30%TT in advance and 70% LC at sight

Delivery time

3-7 days after payment if in stock.
15-20 business days for OEM or new production.

Packing And Shipping

1 Q:Are you factory?
A:Yea,we are factory built in 2010. And welcome to visit our company at any time when you come to China.

2 Q: Could you provide OEM service?
A: Yes, we could. we could also provide customized packaging if you need.

3 Q:How to confirm the quality with us before start to produce?
A: You can get a free sample and choose from it, and then we make the quality accordingly.

4 Q:How about the shown price?
A:It's for reference only,the final price depends on your requirement and quantity,plz contact our salemen for the detailed offer.

5 Q:What about your Payment terms?
A: we could receive the payment via credit card,T/T,bank transfer or Western union etc.

6 Q: How long will be the delivery?
A: Usually, batteries in stock, delivery 3-5 days. Batteries without stock, delivery 10-15 days.

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