CSPower/CSBattery HTL12-150
The CSPower/CSBattery HTL12-150 is a battery pack with a nominal voltage of 12 and a capacity of 119.5Ah at the 5-hour rate.
Last updated: 17 October 2026
Battery and charging
- Battery weight
- 45.8
- Voltage
- 12
- Chemistry
- GEL
- Internal resistance
- ≤4mΩ
- Capacity, at the 20-hour rate
- 150/20HR
- Capacity, at the 5-hour rate
- 119.5Ah
- Capacity, at the 10-hour rate
- 135Ah
- Maximum discharge current, as the maker labels it
- 800A(5s)
- Charging voltage
- 13.6 - 13.8V
- Float voltage
- 13.6 - 13.8V
- How fast it loses charge sitting idle
- 3%
“HTL12-150 12 150/20HR 484 171 241 241 45.8 T4”
Source: cspbattery.com/htl-pro-6v250ah-high-temperature-deep-cycle-gel-battery-product
“HTL12-150 12 150/20HR 484 171 241 241 45.8 T4”
Source: cspbattery.com/htl-pro-6v250ah-high-temperature-deep-cycle-gel-battery-product
Unconfirmed
“CSPower High-Temp Long life Deep cycle GEL Battery HTL12-150”
Source: cspower.en.made-in-china.com/product/EyUnHklvqQhA/China-Cspower-12V150ah-Rechargeable-Deep-Cycle-Gel-Cell-Batteries-for-Solar-UPS.html
“Internal Resistance Full Charged Battery@ 25ºC ≤4mΩ”
Source: cspower.en.made-in-china.com/product/EyUnHklvqQhA/China-Cspower-12V150ah-Rechargeable-Deep-Cycle-Gel-Cell-Batteries-for-Solar-UPS.html
“HTL12-150 12 150/20HR 484 171 241 241 45.8 T4”
Source: cspbattery.com/htl-pro-6v250ah-high-temperature-deep-cycle-gel-battery-product
“5 hour rate (66.8A, 5.25V) 119.5Ah”
Source: cspower.en.made-in-china.com/product/EyUnHklvqQhA/China-Cspower-12V150ah-Rechargeable-Deep-Cycle-Gel-Cell-Batteries-for-Solar-UPS.html
“Capacity @ 25ºC 10 hour rate (37.8A, 5.4V) 135Ah”
Source: cspower.en.made-in-china.com/product/EyUnHklvqQhA/China-Cspower-12V150ah-Rechargeable-Deep-Cycle-Gel-Cell-Batteries-for-Solar-UPS.html
“Max.Discharge Current @ 25ºC 800A(5s)”
Source: cspower.en.made-in-china.com/product/EyUnHklvqQhA/China-Cspower-12V150ah-Rechargeable-Deep-Cycle-Gel-Cell-Batteries-for-Solar-UPS.html
“Cycle Use Initial Charging Current Less than 33.75A Voltage 13.6 - 13.8V”
Source: cspower.en.made-in-china.com/product/EyUnHklvqQhA/China-Cspower-12V150ah-Rechargeable-Deep-Cycle-Gel-Cell-Batteries-for-Solar-UPS.html
“Charge (Constant Voltage) @ 25ºC Standby Use Initial Charging Current Less than 33.75A Voltage 13.6 - 13.8V”
Source: cspower.en.made-in-china.com/product/EyUnHklvqQhA/China-Cspower-12V150ah-Rechargeable-Deep-Cycle-Gel-Cell-Batteries-for-Solar-UPS.html
“Self-Discharge@25ºCper Month 3%”
Source: cspower.en.made-in-china.com/product/EyUnHklvqQhA/China-Cspower-12V150ah-Rechargeable-Deep-Cycle-Gel-Cell-Batteries-for-Solar-UPS.html
Battery care and safety
- Temperatures it may be charged in
- -25ºC~60ºC
- Temperatures it may be run in
- -25ºC~60ºC
- Temperatures it may be stored in
- -25ºC~60ºC
Unconfirmed
Row from the maker’s page: “Charge” | “-25ºC~60ºC”
Source: cspower.en.made-in-china.com/product/EyUnHklvqQhA/China-Cspower-12V150ah-Rechargeable-Deep-Cycle-Gel-Cell-Batteries-for-Solar-UPS.html
“Ambient Temperature Discharge -25ºC~60ºC”
Source: cspower.en.made-in-china.com/product/EyUnHklvqQhA/China-Cspower-12V150ah-Rechargeable-Deep-Cycle-Gel-Cell-Batteries-for-Solar-UPS.html
Unconfirmed
Row from the maker’s page: “Storage” | “-25ºC~60ºC”
Source: cspower.en.made-in-china.com/product/EyUnHklvqQhA/China-Cspower-12V150ah-Rechargeable-Deep-Cycle-Gel-Cell-Batteries-for-Solar-UPS.html
Size and fit
- Overall dimensions
- 484 171 241 241
- Terminals
- T4
“HTL12-150 12 150/20HR 484 171 241 241 45.8 T4”
Source: cspbattery.com/htl-pro-6v250ah-high-temperature-deep-cycle-gel-battery-product
“HTL12-150 12 150/20HR 484 171 241 241 45.8 T4”
Source: cspbattery.com/htl-pro-6v250ah-high-temperature-deep-cycle-gel-battery-product
Identity
- Model code
- HTL12-150
“HTL12-150 12 150/20HR 484 171 241 241 45.8 T4”
Source: cspbattery.com/htl-pro-6v250ah-high-temperature-deep-cycle-gel-battery-product
Sources
- AGM, Gel, Solar battery, Lead carbon battery, Lithium battery-CSPOWERArchived document
Source: cspbattery.com/htl-pro-6v250ah-high-temperature-deep-cycle-gel-battery-product
Retrieved October 18, 2026
- Cspower 12V150ah Rechargeable Deep Cycle Gel Cell Batteries for Solar/UPS - 2026 12V150ah VRLA Battery, Solar Gel Battery price | Made-in-china.comArchived document
Source: cspower.en.made-in-china.com/product/EyUnHklvqQhA/China-Cspower-12V150ah-Rechargeable-Deep-Cycle-Gel-Cell-Batteries-for-Solar-UPS.html
Retrieved October 17, 2026