Topband Deep Cycle Lithium Battery 12V 20Ah over 2000cycles @ 100% DOD
Replace the traditional lead acid batteries
long lifespan & powerful & reliable
lighter & smaller and environment friendly
1. Deep cycle rechargeable lithium battery 12V 20Ah Specification
NO. | Items | Criteria | Remarks |
2.1 | Rated Capacity | 20Ah | |
Minimum Capacity | 19.6Ah | ||
2.2 | Energy | 256Wh | |
2.3 | Nominal Voltage | 12.8V | |
2.4 | Outgoing Voltage | ≥12.8V | |
2.5 | Internal resistance | ≤50mΩ | |
2.6 | Series parallel application | Support up to four groups in series and Need to inform battery suppliers | |
2.7 | Limited charge voltage | 14.6±0.2V | |
2.8 | Floating charge voltage | 13.8±0.2V | |
2.9 | Standard charge current | 10A | |
2.10 | Maximum charge current | 20A | |
2.11 | Standard discharge current | 10A | |
2.12 | Maximum discharge current | 20A/ Continue to finished | |
30A/ Continue to discharge 30 min | |||
2.13 | Pulse discharge current | Withstand the 80A/3s | |
2.14 | Discharge cut-off voltage | 8.0V | |
2.15 | Dimension | Length: 180.5±2mm | |
Width: 76.0±2mm | |||
Height: 166.0±2mm | |||
2.16 | Weight | Approx: 1.6Kg | |
2.17 | Operating Temperature | Charging: 0~45℃ | |
Discharging: -20~60℃ | |||
Recommended operating temperature: 15℃~35℃ | |||
2.18 | Self-discharge rate | Residual capacity: ≤3% per month;≤15% per year | |
Reversible capacity: ≤1.5% per month;≤8% per year | |||
2.19 | Storage Temperature & Humidity Range | Less than 1 month: -20℃~35℃, 45%RH~75%RH | |
Less than 3 months: -10℃~35℃, 45%RH~75%RH | |||
Recommended storage environment: 15℃~35℃, 45%RH~75%RH | |||
Long time storage: If the battery need be stored for a long time, the voltage should be 13.2V(50%SOC), and stored in the condition as storage proposal. It need at least one charge & discharge cycle every six months |
2. Deep cycle rechargeable lithium battery 12V 20Ah circuit protection
NO. | Items | Content | Specification |
5.1 | Over charge | Over-charge protection for each cell | 3.80±0.03V |
Over-charge release for each cell | 3.60±0.05V | ||
Over-charge release method | Under the release voltage | ||
5.2 | Over discharge | Over-discharge protection for each cell | 2.00±0.05V |
Over-discharge release for each cell | 2.30±0.05V | ||
Over-discharge release method | Charging recovery | ||
5.3 | Over current | Discharge over current protection | 80~110A |
Protection delay time | 10~40ms | ||
Over current release method | Release after cutoff the load. | ||
5.4 | Short | Yes. | Remove after the short circuit automatic recovery |
5.5 | Battery temperature | Charge over temperature | Protection @65±5℃ |
Release @50±5℃ | |||
Discharge over temperature | Protection @65±5℃ | ||
Release @50±5℃ |
3. Deep cycle rechargeable lithium battery 12V 20Ah dimension
4. Deep cycle lithium battery advantage
4. Excellent service
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