A Within 30 days after signing contract and receiving 30%deposit.

A Zero voltage means there is a broken circuit. There could be several reasons for a zero voltage state.
1.There could be a broken electrode column
2.Welding defects of the partition
3.Welding defects of the terminal

A You should first check the battery for defects such as a broken circuit, a short, or a broken container. If an outward problem is not apparent, then you will have to check the battery's capacity using known measuring techniques to ascertain the problem.

A 1.Lower performance
2.Low voltage
3.Cannot charge/recharge
4.Swelled container
5.Acid corrosion

A The battery should be stored in clean, dry, ventilated, dark environment when not using, keep it after full charge, recharge it every 3 months or 6 months.

A Yes, OEM is available,we can print your logo on the battery case, and you can offer your logo.

A Discharge: -15--40C
Charge: 0--40C
Storage:-15--40C

A 30% deposit in advance, 70% balance pay off against the copy of bill of loading.We'll show you the photos of the products and packages before you pay the balance.