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Description
BATT 12,8V50 COMLithium Ion Rechargeable Battery (LiFePO4) 12. 8V 50AH 640Wh, High Cycle Life:<6000 at 50%DOD, Max Discharge Current: 50A, Max Charge Current: 25A, Built In BMS, Low Voltage Disconnect: 10. 8V, M6 Terminal, 195x133x171mm, IP65, 5. 5Kg Lithium Ion Rechargeable Battery Specifications ELECTRICAL PERFORMANCE Nominal Voltage : 12. 8 V Nominal Capacity 50Ah Capacity @ 10A : 300 min Energy : 640Wh Resistance : 20m @ 100% SOC Self Discharge : <3% Month Cells
Lithium Ion Rechargeable Battery (LiFePO4) 12.8V 50AH 640Wh, High Cycle Life:<6000 at 50%DOD, Max Discharge Current:50A, Max Charge Current:25A, Built-In-BMS, Low Voltage Disconnect:10.8V, M6 Terminal, 195x133x171mm, IP65, 5.5Kg
Lithium Ion Rechargeable Battery
Specifications
ELECTRICAL PERFORMANCE
- Nominal Voltage : 12.8 V
- Nominal Capacity 50Ah
- Capacity @ 10A : 300 min
- Energy : 640Wh
- Resistance : ≤20mΩ @ 100% SOC
- Self Discharge : <3% / Month
- Cells : Prismatic
CHARGE PERFORMANCE
- Recommended Charge Current : 10A
- Maximum Charge Current : 25A
- Recommended Charge Voltage : 14.4V
- BMS Charge Cut-Off Voltage : <14.8V (3.7V/Cell)
- Reconnect Voltage : >14.2V(3.55V/Cell)
- Balancing Voltage : <14.2V (3.55V/Cell)
- Maximum Batteries in Series : 4
DISCHARGE PERFORMANCE
- Maximum Continuous Discharge Current : 50A
- Peak Discharge Current : 100A (3S)
- BMS Discharge Cut-Off Current : 200A
- Recommended Low Voltage Disconnect : 10.8V (2.7V/Cell)
- BMS Discharge Cut-Off Voltage : >9.2V (1s) (2.3V/Cell)
- Reconnect Voltage (by charging) : >11.2V(2.8V/Cell)
- Short Circuit Protection : 250 ~ 500 μs
MECHANICAL PERFORMANCE
- Approx. Weight Approx. : 5.5kg
- Terminal Type : M6
- Case Material : ABS
- Enclosure Protection : IP65
TEMPERATURE PERFORMANCE
- Discharge Temperature : -4 ~ 140 oF (-20 ~ 60 oC)
- Charge Temperature : 32 ~ 113 oF (0 ~ 45 oC)
- Storage Temperature : 23 ~ 95 oF (-5 ~ 35 oC)
- BMS High Temperature Cut-Off : 149 oF (65 oC)
- Reconnect Temperature : 131 oF (55 oC)
Downloads
Additional Information
| Device | Battery |
| Type | Lithium Ion | Rechargeable |
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- Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
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4.1 ★★★★★
Based on 1051 reviews
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Product Reviews
★★★★★ 3
Budget Seiko Prospex this is not
Color: Black/Orange
Bought this as a cheap work watch, but I guess all the budget went into the solar technology.
No date adjust feature, gotta crank the crown over and over to adjust the date. (Also no screw-down crown, but that's expected at this price)
Fake diver bezel. Lol why? Cringe as heck. Should of just put a compass bezel on there instead tbh.
Cheap plastic crystal, scratches and mars just by looking at it.
Okay NATO strap. Falls apart quickly, but it's easily replaceable with a better quality one.
Decent lume on the hands, but none on the hour markers even though it looks like there is.
Looks cool.
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Reviewed in the United States on June 13, 2025
★★★★★ 5
Simplicity
Color: Black/Orange
This watch was received exactly as advertised. First off the watch is economical compared to other watches that advertise the same details. I will say that I have gone through numerous Luminox watches only to be disappointed. This watch fits the bill. It does have solar cells which mean it needs to be exposed to light to keep running, not a problem. Three minutes under my surefire light I am golden. The bezel doesn't rotate actually no big deal for me. I have always required that the bezel moves not anymore after having a bezel that rotates I use it next to never. Here's why, the more I rotate the bezel the more the numbers wear off. The strap on the watch with the catches for the strap are perfect. They actually hold the watch strap in place in lieu of like other big name brands that just flop and slide. As far as everyday use goes this watch is my go to. To be honest I have purchased three. This is the only watch I will wear moving forward, yeah the glass my scratch but even the big names like the Luminox I spoke of earlier scratches too.
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Reviewed in the United States on April 4, 2026
★★★★★ 5
Worked Amazingly!
Needed it for an Army course and would have been lost without it.
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Reviewed in the United States on April 19, 2026
★★★★★ 5
Companion to the best map markers ever!
These are a must for minor corrections when using their pens!
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Reviewed in the United States on March 9, 2025
★★★★★ 5
Didn’t know what to expect and was pleasantly surprised
Purchased to go along with the staedtler color markers. Mostly writing on laminate and loksaks. Works well and allows you to easily wipe off any permanent marker. Curious as to how long it’ll last. Keep a small cloth to wipe nib clean after use.
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Reviewed in the United States on February 21, 2025